Please explain PXI5112 sync example

I need to synchronize the time stamp counters on 4 PXI5112. I took a look into the sync example and have some difficulties to understand:
Both Master and slave are configured to send (resp. receive) a sync signal on the RTSI0. But when exactly will the Master generate a pulse? Does it have to receive a trigger signal (Maybe software trigger or immediate trigger?) There is no dataflow dependeny between the two ConfigureClock VIs. What happens if the Master gets configured before the slave.Is the master generating a sync pulse that no one will receive because the slave is yet not configured to receive a sync pulse.
Does sync mean that the timestamp counters are aligned to exact the same value? Do I have to take into account the Tr
iggerToRTSI resp the RTSIToTrigger properties to compensate for propagation on the RTSI lines? I need to align all TimeStampCounters to minimal skew possible. How much is it?

Oliver,
in the example you mention two RTSI lines are used. RTSI0 carries the 10 MHz clock to synchronize the board clocks using PLL. It really doesn't matter which board is configured first to synchronize on this signal. RTSI1 carries the trigger signal generated by the master to start the acquisition on the slave.
As there is a board specific propagation delay you can add an additionial propagation delay in this example. Before starting your real measurements you should determine this delay by applying the same signal to both boards and aligning them with this parameter.
All this information and more can be found in the online help of the vi, in the descriptions in the diagram and in the online help of the front panel elements.
Best regards,
Jo
chen Klier
NI-Germany
[SRQ 212122]

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To get rid of the dupliate contacts try this:
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In Data Quality transform please explain Associate transform with the help of any example.

In Data Quality transform please explain Associate transform with the help of any example.

Hi Neha,
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Let me explain with one example based on data quality blue prints for USA .
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Please explain this example

1* select to_char(sysdate,'dd:mon:rr hh:mi:ss'),round(sysdate,'day') from dual
SQL> /
TO_CHAR(SYSDATE,'D ROUND(SYS
27:feb:06 11:58:32 26-FEB-06
1* select to_char(sysdate,'dd:mon:rr hh:mi:ss'),to_char(round(sysdate,'day'),'dd:mon:rr hh:mi:ss')
SQL>
SQL> /
TO_CHAR(SYSDATE,'D TO_CHAR(ROUND(SYSD
27:feb:06 12:01:13 26:feb:06 12:00:00

What is there to explain? Your examples deal with different data types.
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Please explain me how I can use Form feed(\f) and Carriage return(\r)

what is Form feed(\f) and Carriage return(\r)?
Please explain to me.
Thank you.

These control characters aren't used much these days except that if you example a Windows or MSDOS text file in a binary editor you'll find each line ends with "\r\n". However when reading or writing text through classes these carriage returns will be added and removed automatically so your program doesn't see them.
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This is the origin of the MSDOS/Windows end of line sequence.
Many printers will still respect formfeed if printing is direct. Some will take carriage return without linefeed to allow you to start again overprinting the same line.
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Please explain me about customer exist program ZXRSRU01

Hi all,
I do not have enough knowledge to code for a customer exist.
please explain me for the below scenerio.
Dimensions                                                        Key figures
Business Partner (ZH11).
Created On Date (ZH22).
Status (ZH33).
Product (ZH88)
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Product l1(zid1)
Product release description.
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I do not have enough regarding Zxrsruo1.
if contains some predefined components.
Please explain for the predefined components.
IMPORTING
*"     VALUE(I_VNAM) LIKE RSZGLOBV-VNAM
*"     VALUE(I_VARTYP) LIKE RSZGLOBV-VARTYP
*"     VALUE(I_IOBJNM) LIKE RSZGLOBV-IOBJNM
*"     VALUE(I_S_COB_PRO) TYPE RSD_S_COB_PRO
*"     VALUE(I_S_RKB1D) TYPE RSR_S_RKB1D
*"     VALUE(I_PERIV) TYPE RRO01_S_RKB1F-PERIV
*"     VALUE(I_T_VAR_RANGE) TYPE RRS0_T_VAR_RANGE
*"     VALUE(I_STEP) TYPE I DEFAULT 0
*" EXPORTING
*"     VALUE(E_T_RANGE) TYPE RSR_T_RANGESID
*"     VALUE(E_MEEHT) LIKE RSZGLOBV-MEEHT
*"     VALUE(E_MEFAC) LIKE RSZGLOBV-MEFAC
*"     VALUE(E_WAERS) LIKE RSZGLOBV-WAERS
*"     VALUE(E_WHFAC) LIKE RSZGLOBV-WHFAC
*" CHANGING
*"     VALUE(C_S_CUSTOMER) TYPE RRO04_S_CUSTOMER OPTIONAL
Thanks,
James

Hi James,
You are talking about the include we use to write the user exit for variables in BW.
There are a lot of code examples that Edwin posted in the forum so you can use them to code yours.
A little bit of details on the paramaters in the include:
I-Vnam : The variable name to be calculated
i_t-Var_range: A table that contains all the system's variables data
i_step: The step for variable determination: 0,1,2 or 3.
i_step= 1: used to call default variables, called once per variable before the variable screen is displayed
istep= 2: used for those variables that are not ready for input, called after the variable screen is displayed
i_step=3 : Used for valiadation purposes, and called after isep=2
e_t_range: Is the table that the exit populated the varaible value to.contains the following important fileds:
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   high: contains the upper limit for intervals
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   opt: usually EQ (Equal) or BT(Between)
See also:
https://websmp202.sap-ag.de/~sapdownload/011000358700002762582003E/HowToDeriveVariableValue.pdf
Hope it helps, if so please assign points,
Gili

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Hi,
I tried to change the format of displayname under search result rendering setting. I found the following string for displaying display name:
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Thanks!
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Hi T.J.
First read this:
http://help.sap.com/saphelp_nw04/helpdata/en/79/a1d23e6b2c3d67e10000000a114084/frameset.htm
There are multiple property renderers available for some properties. Simply using the property name
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Please explain, the job of the "ASSIGN COMPONENT ".

Please read this popular example appended below. I am newbie to ABAP.
At the end of the execution the code is printing 33. Don't get it.
Please explain, the job of the "ASSIGN COMPONENT ". How or why it is printing value 33. What is the meaning of the statement, "ASSIGN COMPONENT <F2> OF STRUCTURE <F1> TO <F3>." ?
DATA: BEGIN OF LINE,
COL1 TYPE I VALUE '11',
COL2 TYPE I VALUE '22',
COL3 TYPE I VALUE '33',
END OF LINE.
DATA COMP(5) VALUE 'COL3'.
FIELD-SYMBOLS: <F1>, <F2>, <F3>.
ASSIGN LINE TO <F1>.
ASSIGN COMP TO <F2>.
DO 3 TIMES.
ASSIGN COMPONENT SY-INDEX OF STRUCTURE <F1> TO <F3>.
WRITE <F3>.
ENDDO.
ASSIGN COMPONENT <F2> OF STRUCTURE <F1> TO <F3>.
WRITE / <F3>.
11 22 33
33

DATA: BEGIN OF LINE,
COL1 TYPE I VALUE '11',
COL2 TYPE I VALUE '22',
COL3 TYPE I VALUE '33',
END OF LINE.
DATA COMP(5) VALUE 'COL3'.
FIELD-SYMBOLS: <F1>, <F2>, <F3>.
ASSIGN LINE TO <F1>.
ASSIGN COMP TO <F2>. "here you are assigning the column name which is COL3 to <f2>.
DO 3 TIMES.
ASSIGN COMPONENT SY-INDEX OF STRUCTURE <F1> TO <F3>.
WRITE <F3>.
ENDDO.
ASSIGN COMPONENT <F2> OF STRUCTURE <F1> TO <F3>.
ASSIGN 'COL3' of structure <f1> to <f3>. "it is equal to above statement.
WRITE / <F3>.
11 22 33
33
ASSIGN COMPONENT <F2> OF STRUCTURE <F1> TO <F3>. means
assigining COL3 value of the structure <f1> to <f3>, so value is 33 , it will be assigned to <f3> .it prints 33.

Please explain this behavior

hi,
can any one please explain this behavior.
This is what i did.
create table temp as select * from dba_extents;
insert into temp select * from dba_extents;
insert into temp select * from dba_extents;
insert into temp select * from dba_extents;
insert into temp select * from temp;
insert into temp select * from temp;
insert into temp select * from temp;
commit;
temp table now has arround 8449024 rows
collected all the statistics now
the following are the various waits for the session
EVENT TOTAL_WAITS TOTAL_TIMEOUTS TIME_WAITED AVERAGE_WAIT
direct path sync 1 0 1 .75
db file sequential read 22983 0 361 .02
db file scattered read 9145 0 101 .01
db file single write 6 0 0 .03
db file parallel read 8 0 0 .04
direct path read 22352 0 2883 .13
direct path write 8 0 0 .02
now i issued select statement
select count(distinct block_id) from temp;
EVENT TOTAL_WAITS TOTAL_TIMEOUTS TIME_WAITED AVERAGE_WAIT
direct path sync 1 0 1 .75
db file sequential read 22983 0 361 .02
db file scattered read 9145 0 101 .01
db file single write 6 0 0 .03
db file parallel read 8 0 0 .04
direct path read 26060 0 2966 .11
direct path write 8 0 0 .02
the select statement was actually making the full table scan of the table and the explain plan showed as below
PLAN_TABLE_OUTPUT
Plan hash value: 1647884052
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |
| 0 | SELECT STATEMENT | | 1 | 13 | 21612 (2)| 00:04:20 |
| 1 | SORT AGGREGATE | | 1 | 13 | | |
| 2 | VIEW | VW_DAG_0 | 5684 | 73892 | 21612 (2)| 00:04:20 |
| 3 | HASH GROUP BY | | 5684 | 28420 | 21612 (2)| 00:04:20 |
| 4 | TABLE ACCESS FULL| TEMP | 8449K| 40M| 21340 (1)| 00:04:17 |
11 rows selected.
SQL> select owner,object_name from dba_objects where owner='VISHNU';
OWNER
OBJECT_NAME
VISHNU
PLAN_TABLE
VISHNU
TEMP
VISHNU
SYS_LOB0000073414C00036$$
SQL> select owner from dba_objects where owner='VW_DAG_0';
no rows selected
can any one please explain this behavior.
1. oracle tells us that when the full table scans are performed db file scattered event appears but here clearly db file parallel read was occuring.
2. as the table was going through the full table scan as oracle 11gr2 default behavior will not cache the blocks that are part of the table going through the full table scan is this the reason why the db file parallel read wait event was occuring.
3. clearly in the explain plan it used a view called VW_DAG_0 which is inexistant on the database is this a bug or this is the behavior of oracle optimizer to create a view.
4. before collecting any statistics on the table when the same sql statement to count is executed a lot of db file parallel read waits appeared, can any one please explain this behavior.
5. while doing the full table scans if the oracle shows the waits as db file parallel read (occurs when the recovery or parallel processes are used), but is this behavior changed.
finally,
6. can any one please explain the difference between the db file parallel read and db file scattered read.
BANNER
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
PL/SQL Release 11.2.0.1.0 - Production
CORE 11.2.0.1.0 Production
TNS for Linux: Version 11.2.0.1.0 - Production
NLSRTL Version 11.2.0.1.0 - Production

SQL ID: ff1a7d4fgcgnb
Plan Hash: 2024630721
create table temp as select * from dba_extents
call count cpu elapsed disk query current rows
Parse 1 0.27 0.27 0 0 0 0
Execute 1 3.44 3.69 5157 24380 393 8262
Fetch 0 0.00 0.00 0 0 0 0
total 2 3.71 3.96 5157 24380 393 8262
Misses in library cache during parse: 1
Optimizer mode: ALL_ROWS
Parsing user id: 85
Rows Row Source Operation
0 LOAD AS SELECT (cr=40860 pr=5157 pw=77 time=0 us)
8262 VIEW DBA_EXTENTS (cr=40583 pr=5157 pw=0 time=3945962 us cost=1915 size=4550182 card=25001)
8262 UNION-ALL (cr=40583 pr=5157 pw=0 time=3927787 us)
0 NESTED LOOPS (cr=161 pr=0 pw=0 time=0 us cost=862 size=228 card=1)
0 NESTED LOOPS (cr=161 pr=0 pw=0 time=0 us cost=22 size=100 card=1)
0 TABLE ACCESS FULL UET$ (cr=161 pr=0 pw=0 time=0 us cost=22 size=91 card=1)
0 TABLE ACCESS BY INDEX ROWID FILE$ (cr=0 pr=0 pw=0 time=0 us cost=0 size=9 card=1)
0 INDEX UNIQUE SCAN I_FILE2 (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 44)
0 VIEW SYS_DBA_SEGS (cr=0 pr=0 pw=0 time=0 us cost=840 size=128 card=1)
0 UNION ALL PUSHED PREDICATE (cr=0 pr=0 pw=0 time=0 us)
0 NESTED LOOPS (cr=0 pr=0 pw=0 time=0 us cost=828 size=161 card=1)
0 NESTED LOOPS OUTER (cr=0 pr=0 pw=0 time=0 us cost=827 size=147 card=1)
0 NESTED LOOPS (cr=0 pr=0 pw=0 time=0 us cost=826 size=128 card=1)
0 NESTED LOOPS (cr=0 pr=0 pw=0 time=0 us cost=824 size=95 card=1)
0 NESTED LOOPS (cr=0 pr=0 pw=0 time=0 us cost=823 size=675 card=9)
0 INDEX UNIQUE SCAN I_FILE2 (cr=0 pr=0 pw=0 time=0 us cost=0 size=6 card=1)(object id 44)
0 VIEW SYS_OBJECTS (cr=0 pr=0 pw=0 time=0 us cost=823 size=621 card=9)
0 UNION-ALL (cr=0 pr=0 pw=0 time=0 us)
0 TABLE ACCESS FULL TAB$ (cr=0 pr=0 pw=0 time=0 us cost=201 size=22 card=1)
0 TABLE ACCESS FULL TABPART$ (cr=0 pr=0 pw=0 time=0 us cost=2 size=15 card=1)
0 TABLE ACCESS FULL CLU$ (cr=0 pr=0 pw=0 time=0 us cost=199 size=14 card=1)
0 TABLE ACCESS FULL IND$ (cr=0 pr=0 pw=0 time=0 us cost=201 size=19 card=1)
0 TABLE ACCESS FULL INDPART$ (cr=0 pr=0 pw=0 time=0 us cost=3 size=15 card=1)
0 TABLE ACCESS FULL LOB$ (cr=0 pr=0 pw=0 time=0 us cost=201 size=20 card=1)
0 TABLE ACCESS FULL TABSUBPART$ (cr=0 pr=0 pw=0 time=0 us cost=2 size=52 card=1)
0 TABLE ACCESS FULL INDSUBPART$ (cr=0 pr=0 pw=0 time=0 us cost=2 size=52 card=1)
0 TABLE ACCESS FULL LOBFRAG$ (cr=0 pr=0 pw=0 time=0 us cost=2 size=17 card=1)
0 TABLE ACCESS CLUSTER SEG$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=20 card=1)
0 INDEX UNIQUE SCAN I_FILE#_BLOCK# (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 9)
0 TABLE ACCESS BY INDEX ROWID OBJ$ (cr=0 pr=0 pw=0 time=0 us cost=2 size=33 card=1)
0 INDEX RANGE SCAN I_OBJ1 (cr=0 pr=0 pw=0 time=0 us cost=1 size=0 card=1)(object id 36)
0 TABLE ACCESS CLUSTER USER$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=19 card=1)
0 INDEX UNIQUE SCAN I_USER# (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 11)
0 TABLE ACCESS CLUSTER TS$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=14 card=1)
0 INDEX UNIQUE SCAN I_TS# (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 7)
0 NESTED LOOPS OUTER (cr=0 pr=0 pw=0 time=0 us cost=5 size=95 card=1)
0 NESTED LOOPS (cr=0 pr=0 pw=0 time=0 us cost=4 size=76 card=1)
0 MERGE JOIN CARTESIAN (cr=0 pr=0 pw=0 time=0 us cost=3 size=53 card=1)
0 NESTED LOOPS (cr=0 pr=0 pw=0 time=0 us cost=2 size=39 card=1)
0 INDEX UNIQUE SCAN I_FILE2 (cr=0 pr=0 pw=0 time=0 us cost=0 size=6 card=1)(object id 44)
0 TABLE ACCESS FULL UNDO$ (cr=0 pr=0 pw=0 time=0 us cost=2 size=33 card=1)
0 BUFFER SORT (cr=0 pr=0 pw=0 time=0 us cost=1 size=14 card=1)
0 TABLE ACCESS CLUSTER TS$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=14 card=1)
0 INDEX UNIQUE SCAN I_TS# (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 7)
0 TABLE ACCESS CLUSTER SEG$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=23 card=1)
0 INDEX UNIQUE SCAN I_FILE#_BLOCK# (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 9)
0 TABLE ACCESS CLUSTER USER$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=19 card=1)
0 INDEX UNIQUE SCAN I_USER# (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 11)
0 NESTED LOOPS OUTER (cr=0 pr=0 pw=0 time=0 us cost=4 size=65 card=1)
0 NESTED LOOPS (cr=0 pr=0 pw=0 time=0 us cost=3 size=46 card=1)
0 NESTED LOOPS (cr=0 pr=0 pw=0 time=0 us cost=2 size=23 card=1)
0 TABLE ACCESS BY INDEX ROWID FILE$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=9 card=1)
0 INDEX UNIQUE SCAN I_FILE2 (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 44)
0 TABLE ACCESS CLUSTER TS$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=14 card=1)
0 INDEX UNIQUE SCAN I_TS# (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 7)
0 TABLE ACCESS CLUSTER SEG$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=23 card=1)
0 INDEX UNIQUE SCAN I_FILE#_BLOCK# (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 9)
0 TABLE ACCESS CLUSTER USER$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=19 card=1)
0 INDEX UNIQUE SCAN I_USER# (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 11)
8262 NESTED LOOPS (cr=40422 pr=5157 pw=0 time=3893345 us cost=896 size=6400000 card=25000)
5409 HASH JOIN (cr=18394 pr=70 pw=0 time=12576 us cost=895 size=495 card=3)
5409 VIEW SYS_DBA_SEGS (cr=18391 pr=70 pw=0 time=243234 us cost=892 size=468 card=3)
5409 UNION-ALL (cr=18391 pr=70 pw=0 time=236820 us)
5398 NESTED LOOPS OUTER (cr=18172 pr=70 pw=0 time=224038 us cost=850 size=161 card=1)
5398 NESTED LOOPS (cr=12770 pr=70 pw=0 time=141702 us cost=849 size=142 card=1)
5398 HASH JOIN (cr=10992 pr=65 pw=0 time=27110 us cost=847 size=109 card=1)
5409 NESTED LOOPS (cr=5578 pr=0 pw=0 time=115706 us cost=23 size=40 card=1)
5409 NESTED LOOPS (cr=165 pr=0 pw=0 time=67914 us cost=22 size=26 card=1)
5409 TABLE ACCESS FULL SEG$ (cr=161 pr=0 pw=0 time=16978 us cost=22 size=20 card=1)
5409 INDEX UNIQUE SCAN I_FILE2 (cr=4 pr=0 pw=0 time=0 us cost=0 size=6 card=1)(object id 44)
5409 TABLE ACCESS CLUSTER TS$ (cr=5413 pr=0 pw=0 time=0 us cost=1 size=14 card=1)
5409 INDEX UNIQUE SCAN I_TS# (cr=4 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 7)
8489 VIEW SYS_OBJECTS (cr=5414 pr=65 pw=0 time=42954 us cost=824 size=181746 card=2634)
8489 UNION-ALL (cr=5414 pr=65 pw=0 time=31637 us)
2761 TABLE ACCESS FULL TAB$ (cr=1349 pr=64 pw=0 time=9594 us cost=201 size=23540 card=1070)
88 TABLE ACCESS FULL TABPART$ (cr=4 pr=1 pw=0 time=0 us cost=2 size=1320 card=88)
10 TABLE ACCESS FULL CLU$ (cr=1349 pr=0 pw=0 time=0 us cost=199 size=140 card=10)
4660 TABLE ACCESS FULL IND$ (cr=1349 pr=0 pw=0 time=7376 us cost=201 size=25764 card=1356)
104 TABLE ACCESS FULL INDPART$ (cr=5 pr=0 pw=0 time=0 us cost=3 size=1560 card=104)
865 TABLE ACCESS FULL LOB$ (cr=1349 pr=0 pw=0 time=7344 us cost=201 size=60 card=3)
0 TABLE ACCESS FULL TABSUBPART$ (cr=3 pr=0 pw=0 time=0 us cost=2 size=52 card=1)
0 TABLE ACCESS FULL INDSUBPART$ (cr=3 pr=0 pw=0 time=0 us cost=2 size=52 card=1)
1 TABLE ACCESS FULL LOBFRAG$ (cr=3 pr=0 pw=0 time=0 us cost=2 size=17 card=1)
5398 TABLE ACCESS BY INDEX ROWID OBJ$ (cr=1778 pr=5 pw=0 time=0 us cost=2 size=33 card=1)
5398 INDEX RANGE SCAN I_OBJ1 (cr=1228 pr=0 pw=0 time=0 us cost=1 size=0 card=1)(object id 36)
5398 TABLE ACCESS CLUSTER USER$ (cr=5402 pr=0 pw=0 time=0 us cost=1 size=19 card=1)
5398 INDEX UNIQUE SCAN I_USER# (cr=4 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 11)
11 NESTED LOOPS (cr=58 pr=0 pw=0 time=340 us cost=14 size=95 card=1)
11 NESTED LOOPS OUTER (cr=43 pr=0 pw=0 time=260 us cost=13 size=81 card=1)
11 NESTED LOOPS (cr=28 pr=0 pw=0 time=190 us cost=12 size=62 card=1)
11 NESTED LOOPS (cr=24 pr=0 pw=0 time=140 us cost=12 size=56 card=1)
11 TABLE ACCESS FULL UNDO$ (cr=3 pr=0 pw=0 time=20 us cost=2 size=330 card=10)
11 TABLE ACCESS CLUSTER SEG$ (cr=21 pr=0 pw=0 time=0 us cost=1 size=23 card=1)
11 INDEX UNIQUE SCAN I_FILE#_BLOCK# (cr=10 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 9)
11 INDEX UNIQUE SCAN I_FILE2 (cr=4 pr=0 pw=0 time=0 us cost=0 size=6 card=1)(object id 44)
11 TABLE ACCESS CLUSTER USER$ (cr=15 pr=0 pw=0 time=0 us cost=1 size=19 card=1)
11 INDEX UNIQUE SCAN I_USER# (cr=4 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 11)
11 TABLE ACCESS CLUSTER TS$ (cr=15 pr=0 pw=0 time=0 us cost=1 size=14 card=1)
11 INDEX UNIQUE SCAN I_TS# (cr=4 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 7)
0 NESTED LOOPS (cr=161 pr=0 pw=0 time=0 us cost=25 size=65 card=1)
0 NESTED LOOPS (cr=161 pr=0 pw=0 time=0 us cost=24 size=51 card=1)
0 NESTED LOOPS OUTER (cr=161 pr=0 pw=0 time=0 us cost=23 size=42 card=1)
0 TABLE ACCESS FULL SEG$ (cr=161 pr=0 pw=0 time=0 us cost=22 size=23 card=1)
0 TABLE ACCESS CLUSTER USER$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=19 card=1)
0 INDEX UNIQUE SCAN I_USER# (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 11)
0 TABLE ACCESS BY INDEX ROWID FILE$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=9 card=1)
0 INDEX UNIQUE SCAN I_FILE2 (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 44)
0 TABLE ACCESS CLUSTER TS$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=14 card=1)
0 INDEX UNIQUE SCAN I_TS# (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 7)
5 TABLE ACCESS FULL FILE$ (cr=3 pr=0 pw=0 time=0 us cost=2 size=36 card=4)
8262 FIXED TABLE FIXED INDEX X$KTFBUE (ind:1) (cr=22028 pr=5087 pw=0 time=5544 us cost=1 size=758303 card=8333)
Elapsed times include waiting on following events:
Event waited on Times Max. Wait Total Waited
---------------------------------------- Waited ---------- ------------
asynch descriptor resize 3 0.00 0.00
db file scattered read 4 0.00 0.00
db file sequential read 5148 0.01 1.51
Disk file operations I/O 2 0.00 0.00
direct path write 6 0.00 0.00
direct path sync 1 0.02 0.02
SQL*Net message to client 1 0.00 0.00
SQL*Net message from client 1 11.67 11.67
SQL ID: 0jh7zzgmva195
Plan Hash: 587733453
insert into temp select * from dba_extents
call count cpu elapsed disk query current rows
Parse 3 0.28 0.28 0 0 0 0
Execute 3 6.44 6.22 15262 73584 2321 24838
Fetch 0 0.00 0.00 0 0 0 0
total 6 6.72 6.50 15262 73584 2321 24838
Misses in library cache during parse: 1
Optimizer mode: ALL_ROWS
Parsing user id: 85
Rows Row Source Operation
0 LOAD TABLE CONVENTIONAL (cr=40826 pr=5088 pw=0 time=0 us)
8279 VIEW DBA_EXTENTS (cr=40590 pr=5087 pw=0 time=2646667 us cost=1733 size=4550182 card=25001)
8279 UNION-ALL (cr=40590 pr=5087 pw=0 time=2594580 us)
0 NESTED LOOPS (cr=161 pr=0 pw=0 time=0 us cost=850 size=241 card=1)
0 NESTED LOOPS (cr=161 pr=0 pw=0 time=0 us cost=22 size=100 card=1)
0 TABLE ACCESS FULL UET$ (cr=161 pr=0 pw=0 time=0 us cost=22 size=91 card=1)
0 TABLE ACCESS BY INDEX ROWID FILE$ (cr=0 pr=0 pw=0 time=0 us cost=0 size=9 card=1)
0 INDEX UNIQUE SCAN I_FILE2 (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 44)
0 VIEW SYS_DBA_SEGS (cr=0 pr=0 pw=0 time=0 us cost=828 size=141 card=1)
0 UNION ALL PUSHED PREDICATE (cr=0 pr=0 pw=0 time=0 us)
0 NESTED LOOPS (cr=0 pr=0 pw=0 time=0 us cost=819 size=161 card=1)
0 NESTED LOOPS OUTER (cr=0 pr=0 pw=0 time=0 us cost=818 size=147 card=1)
0 NESTED LOOPS (cr=0 pr=0 pw=0 time=0 us cost=817 size=128 card=1)
0 NESTED LOOPS (cr=0 pr=0 pw=0 time=0 us cost=815 size=95 card=1)
0 NESTED LOOPS (cr=0 pr=0 pw=0 time=0 us cost=814 size=675 card=9)
0 INDEX UNIQUE SCAN I_FILE2 (cr=0 pr=0 pw=0 time=0 us cost=0 size=6 card=1)(object id 44)
0 VIEW SYS_OBJECTS (cr=0 pr=0 pw=0 time=0 us cost=814 size=621 card=9)
0 UNION-ALL (cr=0 pr=0 pw=0 time=0 us)
0 TABLE ACCESS FULL TAB$ (cr=0 pr=0 pw=0 time=0 us cost=201 size=22 card=1)
0 TABLE ACCESS FULL TABPART$ (cr=0 pr=0 pw=0 time=0 us cost=2 size=15 card=1)
0 TABLE ACCESS FULL CLU$ (cr=0 pr=0 pw=0 time=0 us cost=199 size=14 card=1)
0 TABLE ACCESS FULL IND$ (cr=0 pr=0 pw=0 time=0 us cost=201 size=19 card=1)
0 TABLE ACCESS FULL INDPART$ (cr=0 pr=0 pw=0 time=0 us cost=3 size=15 card=1)
0 TABLE ACCESS FULL LOB$ (cr=0 pr=0 pw=0 time=0 us cost=201 size=20 card=1)
0 TABLE ACCESS FULL TABSUBPART$ (cr=0 pr=0 pw=0 time=0 us cost=2 size=52 card=1)
0 TABLE ACCESS FULL INDSUBPART$ (cr=0 pr=0 pw=0 time=0 us cost=2 size=52 card=1)
0 TABLE ACCESS FULL LOBFRAG$ (cr=0 pr=0 pw=0 time=0 us cost=2 size=17 card=1)
0 TABLE ACCESS CLUSTER SEG$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=20 card=1)
0 INDEX UNIQUE SCAN I_FILE#_BLOCK# (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 9)
0 TABLE ACCESS BY INDEX ROWID OBJ$ (cr=0 pr=0 pw=0 time=0 us cost=2 size=33 card=1)
0 INDEX RANGE SCAN I_OBJ1 (cr=0 pr=0 pw=0 time=0 us cost=1 size=0 card=1)(object id 36)
0 TABLE ACCESS CLUSTER USER$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=19 card=1)
0 INDEX UNIQUE SCAN I_USER# (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 11)
0 TABLE ACCESS CLUSTER TS$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=14 card=1)
0 INDEX UNIQUE SCAN I_TS# (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 7)
0 NESTED LOOPS OUTER (cr=0 pr=0 pw=0 time=0 us cost=5 size=95 card=1)
0 NESTED LOOPS (cr=0 pr=0 pw=0 time=0 us cost=4 size=76 card=1)
0 MERGE JOIN CARTESIAN (cr=0 pr=0 pw=0 time=0 us cost=3 size=53 card=1)
0 NESTED LOOPS (cr=0 pr=0 pw=0 time=0 us cost=2 size=39 card=1)
0 INDEX UNIQUE SCAN I_FILE2 (cr=0 pr=0 pw=0 time=0 us cost=0 size=6 card=1)(object id 44)
0 TABLE ACCESS FULL UNDO$ (cr=0 pr=0 pw=0 time=0 us cost=2 size=33 card=1)
0 BUFFER SORT (cr=0 pr=0 pw=0 time=0 us cost=1 size=14 card=1)
0 TABLE ACCESS CLUSTER TS$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=14 card=1)
0 INDEX UNIQUE SCAN I_TS# (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 7)
0 TABLE ACCESS CLUSTER SEG$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=23 card=1)
0 INDEX UNIQUE SCAN I_FILE#_BLOCK# (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 9)
0 TABLE ACCESS CLUSTER USER$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=19 card=1)
0 INDEX UNIQUE SCAN I_USER# (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 11)
0 NESTED LOOPS OUTER (cr=0 pr=0 pw=0 time=0 us cost=4 size=65 card=1)
0 NESTED LOOPS (cr=0 pr=0 pw=0 time=0 us cost=3 size=46 card=1)
0 NESTED LOOPS (cr=0 pr=0 pw=0 time=0 us cost=2 size=23 card=1)
0 TABLE ACCESS BY INDEX ROWID FILE$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=9 card=1)
0 INDEX UNIQUE SCAN I_FILE2 (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 44)
0 TABLE ACCESS CLUSTER TS$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=14 card=1)
0 INDEX UNIQUE SCAN I_TS# (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 7)
0 TABLE ACCESS CLUSTER SEG$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=23 card=1)
0 INDEX UNIQUE SCAN I_FILE#_BLOCK# (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 9)
0 TABLE ACCESS CLUSTER USER$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=19 card=1)
0 INDEX UNIQUE SCAN I_USER# (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 11)
8279 NESTED LOOPS (cr=40429 pr=5087 pw=0 time=2513328 us cost=883 size=6725000 card=25000)
5410 HASH JOIN (cr=18398 pr=0 pw=0 time=13333 us cost=882 size=534 card=3)
5410 VIEW SYS_DBA_SEGS (cr=18395 pr=0 pw=0 time=279632 us cost=879 size=507 card=3)
5410 UNION-ALL (cr=18395 pr=0 pw=0 time=271959 us)
5399 NESTED LOOPS OUTER (cr=18176 pr=0 pw=0 time=250065 us cost=840 size=161 card=1)
5399 NESTED LOOPS (cr=12773 pr=0 pw=0 time=153780 us cost=839 size=142 card=1)
5399 HASH JOIN (cr=10993 pr=0 pw=0 time=50967 us cost=837 size=109 card=1)
5410 NESTED LOOPS (cr=5579 pr=0 pw=0 time=118117 us cost=23 size=40 card=1)
5410 NESTED LOOPS (cr=165 pr=0 pw=0 time=55725 us cost=22 size=26 card=1)
5410 TABLE ACCESS FULL SEG$ (cr=161 pr=0 pw=0 time=9685 us cost=22 size=20 card=1)
5410 INDEX UNIQUE SCAN I_FILE2 (cr=4 pr=0 pw=0 time=0 us cost=0 size=6 card=1)(object id 44)
5410 TABLE ACCESS CLUSTER TS$ (cr=5414 pr=0 pw=0 time=0 us cost=1 size=14 card=1)
5410 INDEX UNIQUE SCAN I_TS# (cr=4 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 7)
8490 VIEW SYS_OBJECTS (cr=5414 pr=0 pw=0 time=63796 us cost=814 size=181746 card=2634)
8490 UNION-ALL (cr=5414 pr=0 pw=0 time=42830 us)
2762 TABLE ACCESS FULL TAB$ (cr=1349 pr=0 pw=0 time=5784 us cost=201 size=23540 card=1070)
88 TABLE ACCESS FULL TABPART$ (cr=4 pr=0 pw=0 time=0 us cost=2 size=1320 card=88)
10 TABLE ACCESS FULL CLU$ (cr=1349 pr=0 pw=0 time=0 us cost=199 size=140 card=10)
4660 TABLE ACCESS FULL IND$ (cr=1349 pr=0 pw=0 time=11906 us cost=201 size=25764 card=1356)
104 TABLE ACCESS FULL INDPART$ (cr=5 pr=0 pw=0 time=0 us cost=3 size=1560 card=104)
865 TABLE ACCESS FULL LOB$ (cr=1349 pr=0 pw=0 time=5184 us cost=201 size=60 card=3)
0 TABLE ACCESS FULL TABSUBPART$ (cr=3 pr=0 pw=0 time=0 us cost=2 size=52 card=1)
0 TABLE ACCESS FULL INDSUBPART$ (cr=3 pr=0 pw=0 time=0 us cost=2 size=52 card=1)
1 TABLE ACCESS FULL LOBFRAG$ (cr=3 pr=0 pw=0 time=0 us cost=2 size=17 card=1)
5399 TABLE ACCESS BY INDEX ROWID OBJ$ (cr=1780 pr=0 pw=0 time=0 us cost=2 size=33 card=1)
5399 INDEX RANGE SCAN I_OBJ1 (cr=1230 pr=0 pw=0 time=0 us cost=1 size=0 card=1)(object id 36)
5399 TABLE ACCESS CLUSTER USER$ (cr=5403 pr=0 pw=0 time=0 us cost=1 size=19 card=1)
5399 INDEX UNIQUE SCAN I_USER# (cr=4 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 11)
11 NESTED LOOPS (cr=58 pr=0 pw=0 time=720 us cost=14 size=95 card=1)
11 NESTED LOOPS OUTER (cr=43 pr=0 pw=0 time=580 us cost=13 size=81 card=1)
11 NESTED LOOPS (cr=28 pr=0 pw=0 time=360 us cost=12 size=62 card=1)
11 NESTED LOOPS (cr=24 pr=0 pw=0 time=130 us cost=12 size=56 card=1)
11 TABLE ACCESS FULL UNDO$ (cr=3 pr=0 pw=0 time=10 us cost=2 size=330 card=10)
11 TABLE ACCESS CLUSTER SEG$ (cr=21 pr=0 pw=0 time=0 us cost=1 size=23 card=1)
11 INDEX UNIQUE SCAN I_FILE#_BLOCK# (cr=10 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 9)
11 INDEX UNIQUE SCAN I_FILE2 (cr=4 pr=0 pw=0 time=0 us cost=0 size=6 card=1)(object id 44)
11 TABLE ACCESS CLUSTER USER$ (cr=15 pr=0 pw=0 time=0 us cost=1 size=19 card=1)
11 INDEX UNIQUE SCAN I_USER# (cr=4 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 11)
11 TABLE ACCESS CLUSTER TS$ (cr=15 pr=0 pw=0 time=0 us cost=1 size=14 card=1)
11 INDEX UNIQUE SCAN I_TS# (cr=4 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 7)
0 NESTED LOOPS (cr=161 pr=0 pw=0 time=0 us cost=25 size=65 card=1)
0 NESTED LOOPS (cr=161 pr=0 pw=0 time=0 us cost=24 size=51 card=1)
0 NESTED LOOPS OUTER (cr=161 pr=0 pw=0 time=0 us cost=23 size=42 card=1)
0 TABLE ACCESS FULL SEG$ (cr=161 pr=0 pw=0 time=0 us cost=22 size=23 card=1)
0 TABLE ACCESS CLUSTER USER$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=19 card=1)
0 INDEX UNIQUE SCAN I_USER# (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 11)
0 TABLE ACCESS BY INDEX ROWID FILE$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=9 card=1)
0 INDEX UNIQUE SCAN I_FILE2 (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 44)
0 TABLE ACCESS CLUSTER TS$ (cr=0 pr=0 pw=0 time=0 us cost=1 size=14 card=1)
0 INDEX UNIQUE SCAN I_TS# (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 7)
5 TABLE ACCESS FULL FILE$ (cr=3 pr=0 pw=0 time=0 us cost=2 size=36 card=4)
8279 FIXED TABLE FIXED INDEX X$KTFBUE (ind:1) (cr=22031 pr=5087 pw=0 time=10961 us cost=1 size=758303 card=8333)
Elapsed times include waiting on following events:
Event waited on Times Max. Wait Total Waited
---------------------------------------- Waited ---------- ------------
asynch descriptor resize 6 0.00 0.00
db file sequential read 15262 0.00 0.23
SQL*Net message to client 3 0.00 0.00
SQL*Net message from client 3 0.00 0.00
SQL ID: 23wm3kz7rps5y
Plan Hash: 0
commit
call count cpu elapsed disk query current rows
Parse 2 0.00 0.00 0 0 0 0
Execute 2 0.00 0.00 0 0 2 0
Fetch 0 0.00 0.00 0 0 0 0
total 4 0.00 0.00 0 0 2 0
Misses in library cache during parse: 0
Parsing user id: 85
Elapsed times include waiting on following events:
Event waited on Times Max. Wait Total Waited
---------------------------------------- Waited ---------- ------------
log file sync 2 0.01 0.01
SQL*Net message to client 2 0.00 0.00
SQL*Net message from client 2 17.73 17.73
SQL ID: fw2rqy6u5zfuz
Plan Hash: 1896031711
insert /*APPEND*/ into temp select * from temp
call count cpu elapsed disk query current rows
Parse 9 0.00 0.00 0 1 0 0
Execute 9 41.68 47.27 137424 465979 1377104 16914100
Fetch 0 0.00 0.00 0 0 0 0
total 18 41.68 47.27 137424 465980 1377104 16914100
Misses in library cache during parse: 1
Optimizer mode: ALL_ROWS
Parsing user id: 85
Rows Row Source Operation
0 LOAD TABLE CONVENTIONAL (cr=1073 pr=82 pw=0 time=0 us)
33100 TABLE ACCESS FULL TEMP (cr=498 pr=82 pw=0 time=247667 us cost=104 size=5340972 card=29346)
Elapsed times include waiting on following events:
Event waited on Times Max. Wait Total Waited
---------------------------------------- Waited ---------- ------------
db file scattered read 1877 0.06 2.59
db file sequential read 162 0.00 0.01
SQL*Net message to client 9 0.00 0.00
SQL*Net message from client 9 1.83 7.39
undo segment extension 2 0.01 0.01
log file switch (private strand flush incomplete)
5 0.01 0.03
log file switch completion 41 0.14 1.24
log file switch (checkpoint incomplete) 9 1.00 1.29
log buffer space 6 0.05 0.09
db file parallel read 7 0.06 0.07
reliable message 94 0.00 0.01
rdbms ipc reply 92 0.00 0.01
SQL ID: f7nsg2m3xsq5g
Plan Hash: 750244813
select distinct owner
from
temp
call count cpu elapsed disk query current rows
Parse 1 0.00 0.00 0 1 0 0
Execute 1 0.00 0.00 0 0 0 0
Fetch 3 11.56 14.49 156820 286796 0 16
total 5 11.56 14.49 156820 286797 0 16
Misses in library cache during parse: 1
Optimizer mode: ALL_ROWS
Parsing user id: 85
Rows Row Source Operation
16 HASH UNIQUE (cr=286796 pr=156820 pw=0 time=0 us cost=54654605 size=124596205299 card=7329188547)
16947200 TABLE ACCESS FULL TEMP (cr=286796 pr=156820 pw=0 time=58012160 us cost=78220 size=124596205299 card=7329188547)
Elapsed times include waiting on following events:
Event waited on Times Max. Wait Total Waited
---------------------------------------- Waited ---------- ------------
SQL*Net message to client 3 0.00 0.00
reliable message 1 0.00 0.00
enq: KO - fast object checkpoint 1 1.43 1.43
direct path read 2473 0.02 4.84_
asynch descriptor resize 2 0.00 0.00
buffer busy waits 1 0.00 0.00
SQL*Net message from client 3 37.70 37.70

Please explain what are form groups and form routines

Hello ABAP Experts,
Could you please explain what are form groups and form routines? I would certainly appreciate some examples.
Thank you in advance, Aleksandra

Hi,
I've found the Form Group in transaction J7LE. It is part of Industry Specific solution for hi tech companies, so I'm not sure if you'll be able to access it. In this tcode you define master data of your partner. The first step is to choose the Form Group - they simply group Form Routines. Depending on which one I choose, different entry fields get activated. However there are routines that will enable input to the same fields, so I suppose there must be some additional functionality behind it. Could you please specify what does it mean?
>>Form ROUTINES, are subroutines for modularizing your code<<
I'm afraid I have no ABAP experience at all...
Cheers, A.

Please explain the query?

hello all,
please explain below query used in solution below, thanks in advance!
ELECT MAX(P1.ET) AS ST, P2.ST AS ET
FROM XYZ AS P1
INNER JOIN XYZ AS P2 ON (P1.ST < P2.ST)
GROUP BY P2.ST
HAVING MAX(P1.ET) < P2.ST
IF OBJECT_ID('XYZ') IS NOT NULL
DROP TABLE XYZ
GO
CREATE TABLE XYZ
id int identity(1,1),
ST smalldatetime NOT NULL,
ET smalldatetime NOT NULL
GO
INSERT INTO XYZ (ST, ET)
VALUES ('2010-01-01 9:00AM', '2010-01-01 10:00AM')
INSERT INTO XYZ (ST, ET)
VALUES ('2010-01-01 9:00AM', '2010-01-01 12:00PM')
INSERT INTO XYZ (ST, ET)
VALUES ('2010-01-01 1:00PM', '2010-01-01 2:00PM')
INSERT INTO XYZ (ST, ET)
VALUES ('2010-01-01 3:00PM', '2010-01-01 5:00PM')
INSERT INTO XYZ (ST, ET)
VALUES ('2010-01-01 11:00AM', '2010-01-01 12:00PM')
GO
WITH Gaps(Gap) AS
SELECT COALESCE(SUM(DATEDIFF(MINUTE,ST,ET)), 0)
FROM (
SELECT MAX(P1.ET) AS ST, P2.ST AS ET
FROM XYZ AS P1
INNER JOIN XYZ AS P2 ON (P1.ST < P2.ST)
GROUP BY P2.ST
HAVING MAX(P1.ET) < P2.ST
) gaps
SELECT (
COALESCE(DATEDIFF(MINUTE, MIN(ST), MAX(ET)), 0)
- (SELECT Gap FROM Gaps)
) / 60.0 TotalHrs
FROM XYZ

SELECT MAX(P1.ET) AS ST, P2.ST AS ET
FROM XYZ AS P1
INNER JOIN XYZ AS P2 ON (P1.ST < P2.ST)
GROUP BY P2.ST
HAVING MAX(P1.ET) < P2.ST
Finds all of the gaps (that is time that is not in any interval in your original data. To see how it works, let's look at an example. I'm going to use data that is a little different than your original data because your data has no gaps.
The query still works if you have no gaps, but it is easier to see what it is doing if the data has some gaps. Also, I'm going to explicitly set the id column instead of making it an identity. This will make it a little easier to identify each
row in the following explanation. So the data I'm going to work with is
CREATE TABLE XYZ
id int,
ST smalldatetime NOT NULL,
ET smalldatetime NOT NULL
GO
INSERT INTO XYZ (id, ST, ET)
VALUES (1, '2010-01-01 9:00AM', '2010-01-01 10:00AM')
INSERT INTO XYZ (id, ST, ET)
VALUES (2, '2010-01-01 9:00AM', '2010-01-01 12:00PM')
INSERT INTO XYZ (id, ST, ET)
VALUES (3, '2010-01-02 1:00PM', '2010-01-02 2:00PM')
INSERT INTO XYZ (id, ST, ET)
VALUES (4, '2010-01-03 3:00PM', '2010-01-03 5:00PM')
INSERT INTO XYZ (id, ST, ET)
VALUES (5, '2010-01-03 7:00PM', '2010-01-03 9:00PM')
Notice that the gaps here are from row 2 to row 3 (12PM on the 1st to 1PM on the 2nd) and row 3 to row 4 (2PM on the 2nd to 3PM on the 3rd) and row 4 to row 5 (5PM on the 3rd to 7PM on the 3rd). So that's what the above subquery should be finding for
us.
To see what a query you don't understand is doing, simplify it to the smallest part you can and see what it returns and then build it up to the final query. So the simplest thing we can do is just the from clause. That gives us
SELECT *
FROM XYZ AS P1
INNER JOIN XYZ AS P2 ON (P1.ST < P2.ST)
/* That gives us the result
1 2010-01-01 09:00:00 2010-01-01 10:00:00 3 2010-01-02 13:00:00 2010-01-02 14:00:00
2 2010-01-01 09:00:00 2010-01-01 12:00:00 3 2010-01-02 13:00:00 2010-01-02 14:00:00
1 2010-01-01 09:00:00 2010-01-01 10:00:00 4 2010-01-03 15:00:00 2010-01-03 17:00:00
2 2010-01-01 09:00:00 2010-01-01 12:00:00 4 2010-01-03 15:00:00 2010-01-03 17:00:00
3 2010-01-02 13:00:00 2010-01-02 14:00:00 4 2010-01-03 15:00:00 2010-01-03 17:00:00
1 2010-01-01 09:00:00 2010-01-01 10:00:00 5 2010-01-03 19:00:00 2010-01-03 21:00:00
2 2010-01-01 09:00:00 2010-01-01 12:00:00 5 2010-01-03 19:00:00 2010-01-03 21:00:00
3 2010-01-02 13:00:00 2010-01-02 14:00:00 5 2010-01-03 19:00:00 2010-01-03 21:00:00
4 2010-01-03 15:00:00 2010-01-03 17:00:00 5 2010-01-03 19:00:00 2010-01-03 21:00:00
Now we want to Group by P2.ST and get the MAX(P1.ET) and P2.ST, so that gives us
SELECT MAX(P1.ET) AS ST, P2.ST AS ET
FROM XYZ AS P1
INNER JOIN XYZ AS P2 ON (P1.ST < P2.ST)
GROUP BY P2.ST
/* Result is
2010-01-01 12:00:00 2010-01-02 13:00:00
2010-01-02 14:00:00 2010-01-03 15:00:00
2010-01-03 17:00:00 2010-01-03 19:00:00
Now with this sample data there are no rows in the output with MAX(P1.ET) > P2.ST. But if there was one, you would not want that row because it is not a real gap (obviously, a gap can't start today and end yesterday). (If you want to see how
you could get a case like that, add a row 6 to the sample data with a ST of 2010-01-01 7:00PM and an ET of 2010-01-03 9:00PM.)
So we add a HAVING MAX(P1.ET) < P2.ST to remove those cases.
That leaves us with all of the gaps. So then with
SELECT COALESCE(SUM(DATEDIFF(MINUTE,ST,ET)), 0)
FROM (
SELECT MAX(P1.ET) AS ST, P2.ST AS ET
FROM XYZ AS P1
INNER JOIN XYZ AS P2 ON (P1.ST < P2.ST)
GROUP BY P2.ST
HAVING MAX(P1.ET) < P2.ST
) gaps
we get the total amount of time in all gaps. Then the final result is just the time from the earliest ST to the latest ET minus the total time from the gap.
Tom

Please explain followin in convert datetime case.

hi,
Q1)followng is from https://msdn.microsoft.com/en-IN/library/ms187928.aspx?f=255&MSPPError=-2147217396
please explain "1 These
style values return nondeterministic results. Includes all (yy) (without century) styles and a subset of (yyyy) (with century) styles."
Q2) please explain with ex
Styles greater than 100 are deterministic, except for styles 106, 107, 109 and 113.
yours sincerley

Non deterministic means the result of the function can depend on something other than the input to the function. So for styles of 100 or greater the result is non deterministic if that style returns the month as text (because different language settings
return different abbreviations for the month name. Kalman gave you an example of that.
The styles with 2 digit years are non deterministic because the result returned depends on the value of the "two digit year cutoff" option. See
https://msdn.microsoft.com/en-us/library/ms191004.aspx for a discussion of that option. SQL uses that option when you convert a two digit year into a date. So changing that option
can cause the result to change. For example suppose you convert '350517' using style 1. With the default two digit year cutoff of 2049, CONVERT() of '350517' using style 1 will return 2035-05-17, but if you change the two digit year cutoff to 2030,
CONVERT() of '350517' using style 1 will return 1935-05-17.
If you want to play with changing the cutoff date the above link tells you how to change it. But if you do, be very careful and do NOT change it on a production server. Changing that option will affect every connection to every database on that
server instance. You can easily break running code.
Tom

Why asm startwith with + sign? what happen add file in asm tablespace without using + sign,please explain with error no.

Hi folks,
I have one query why asm startwith with + sign? what happen add datafile file in table space,or add disk in disk group without using + sign ,please explain with error no.

hello,
+ sign is to indicate the diskgroup you intended to place datafile. this apply to all database files.
without + sign,will be place in ORACLE_HOME/dbs directory. there will be NO error.
see example here: without using +
SQL> create tablespace test45 datafile 'temdg' size 10m;
Tablespace created.
SQL> select name from v$datafile;
NAME
/u01/app/oracle/product/11.2.0/dbhome_1/dbs/temdg
7 rows selected.
second example: with using + sign to specify diskgroup
SQL> create tablespace test55 datafile '+temdg' size 10m;
Tablespace created.
SQL> select name from v$datafile;
NAME
/u01/app/oracle/product/11.2.0/dbhome_1/dbs/temdg
+TEMDG/orcl/datafile/test55.261.844200359
8 rows selected.
HTH
Tobi
Tobi&#39;s Oracle DBA &amp; UNIX Blog

Please Explain INHERIT

I understand the term INHERIT refers to the code that comes before--that it is "inherited" or assumed from code above. However, I am setting new IDs (#) within Div tags and often see in the CSS panel that what I have coded is crossed out and the message pops up -- the property "does not apply because it is not inherited." Inherit shouldn't apply as I am coding a specific change for a specific area.
Please explain so I stop making the same error. Using DW CS5.5

Ok, so how do I get it all to inherit from the cascades above? Do I use an 'inherit' code for all the positioning elements? Almost everything in all the div classes below BODY are crossed out. Some things apply and some don't. I don't know how to make a copy of the CSS panel from within DW to show you the cascades and the codes that are crossed out. But here is some of the initial CSS code:
/* Global */
body {font-size: 16px; font-family: "Trebuchet MS", Arial, Helvetica, sans-serif; line-height: 1.5; background-color:#00ADEF; }
/Containers/
#outer
#wrapper
On the CSS panel, background-color and font-family are crossed out within the Body tag; on the Outer tag, background-color, margin and width are crossed out; and on the Wrapper tag, all three are again crossed out.
What did I do wrong?
Date: Sat, 15 Oct 2011 10:40:18 -0600
From: [email protected]
To: [email protected]
Subject: Please Explain INHERIT
    Re: Please Explain INHERIT
    created by Murray ACP in Dreamweaver - View the full discussion
Here's an example: #div1 with this HTML -
blah
In the CSS panel for div2, you would see the padding assigned to div1 but it would have a strikethrough since it doesn't inherit into div2. On the other hand the color style would inherit, and would not be shown with a strikethrough. So - there are styles that inherit, and styles that don't inherit. Things that inherit are things like font styles. Things that don't inherit are things like location styles (i.e., position, margin, padding, etc.). Does that help?
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Please explain PXI5112 sync example

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