Unalbe to understand the requirement

Hi experts,
Can anybody explain the below requirement..
"On a daily basis, SAP processes a daily set of files that are interfaced to ECCu2019s Logility Forecasting System. This process includes the creating of Logility u201Cmaterial masteru201D records. Each day, the Logility system will create a file of all Material Master record keys for which the SAP system will add this master data. What is required is Middleware to move and properly map the Logility LOM_A file into a pre-established z-table in R/3."
Thanks in advance

"On a daily basis, SAP processes a daily set of files that are interfaced to ECCu2019s Logility Forecasting System. This process includes the creating of Logility u201Cmaterial masteru201D records. Each day, the Logility system will create a file of all Material Master record keys for which the SAP system will add this master data. What is required is Middleware to move and properly map the Logility LOM_A file into a pre-established z-table in R/3."
Hello
Middleware is the program in SAP which would link SAP with the interface.
It needs to be coded and made acceptable to recieve data, trigger creation and update tables
Get the ABAP and XI guys into the loop for realising the requirement
Reg
Suresh

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| | | | |
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Need help for understanding the behaviour of these 2 queries....

Hi,
I need your help for understanding the behaviour of following two queries.
The requirement is to repeat the values of the column in a table random no of times.
Eg. A table xyz is like -
create table xyz as
select 'A' || rownum my_col
from all_objects
where rownum < 6;
my_col
A1
A2
A3
A4
A5
I want to repeat each of these values (A1, A2,...A5) multiple times - randomly decide. I have written the following query..
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A3     3
A3     5
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A4     3
A4     5
A5     1
A5     3
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A1     4
A2     2
A2     4
Also, it has generated the same set of records for all the values (A1, A2,...,A5).
Now, if I store the randomly-decided value in the table like ---
create table xyz as
select 'A' || rownum my_col, trunc(dbms_random.value(1,6)) repeat
from all_objects
where rownum < 6;
my_col repeat
A1     4
A2     1
A3     5
A4     2
A5     2
And then run the query,
with x as (select my_col, repeat from xyz),
y as (select level lvl from dual connect by level < 6)
select my_col, lvl
from x, y
where lvl <= repeat
order by my_col, lvl
I will get the output, exactly what I want ---
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A1     1
A1     2
A1     3
A1     4
A2     1
A3     1
A3     2
A3     3
A3     4
A3     5
A4     1
A4     2
A5     1
A5     2
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How can I get such a result without storing the repeat values?

If I've understood your requirement, the below will achieve it:
SQL> create table test(test varchar2(10));
Table created.
SQL> insert into test values('&test');
Enter value for test: bob
old   1: insert into test values('&test')
new   1: insert into test values('bob')
1 row created.
SQL> insert into test values('&test');
Enter value for test: terry
old   1: insert into test values('&test')
new   1: insert into test values('terry')
1 row created.
SQL> insert into test values('&test');
Enter value for test: steve
old   1: insert into test values('&test')
new   1: insert into test values('steve')
1 row created.
SQL> insert into test values('&test');
Enter value for test: roger
old   1: insert into test values('&test')
new   1: insert into test values('roger')
1 row created.
SQL> commit;
Commit complete.
SQL> select lpad(test,(ceil(dbms_random.value*10))*length(test),test) from test;
LPAD(TEST,(CEIL(DBMS_RANDOM.VALUE*10))*LENGTH(TEST),TEST)
bobbobbobbobbobbobbobbobbobbob
terryterry
stevestevesteve
rogerrogerrogerrogerrogerrogerrogerrogerrogerYou can alter the value of 10 in the SQL if you want the potential for a higher number of names.
Andy

Need help in understanding the trace file

Hi,
I would need to understand
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- latch: cache buffers chains
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D
SQL
SELECT R_RO.*
FROM
(SELECT b.ID,b.ANSWERS,b.C_CLASSID,b.C_ID, b.FCI,b.FROM_ID,b.TCI,b.TO_ID,b.FFU, b.TFU,b.NOU,b.ISN,b.SC_NAME,
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= :"SYS_B_0") UNION ALL SELECT a.ID,a.ANSWERS,a.C_CLASSID, a.C_ID,a.FCI,a.FROM_ID,a.TCI, a.TO_ID,a.FFU,a.TFU,a.NOU, a.ISN,a.SC_NAME,a.DN_NAME, a.DN_ITEM_NUMBER,a.ISC,a.PRIORITY FROM VVP.A94 a, SDE.state_lineages SL WHERE (a.ID, a.SDE_STATE_ID) NOT IN (SELECT /*+ HASH_AJ */ SDE_DELETES_ROW_ID,SDE_STATE_ID FROM VVP.D94 WHERE DELETED_AT IN (SELECT l.lineage_id FROM SDE.state_lineages l WHERE l.lineage_name = :source_lineage_name AND l.lineage_id <= :source_state_id) AND SDE_STATE_ID > :"SYS_B_1") AND a.SDE_STATE_ID = SL.lineage_id AND SL.lineage_name = :source_lineage_name AND SL.lineage_id <= :source_state_id ) R_RO WHERE (ID = :"SYS_B_2")
call count cpu elapsed disk query current rows
Parse 3911 2.30 2.14 0 0 0 0
Execute 3911 2.47 2.43 0 0 0 0
Fetch 3911 268.96 270.60 28 15696558 0 3911
total 11733 273.73 275.18 28 15696558 0 3911
Misses in library cache during parse: 1
Optimizer mode: FIRST_ROWS
Parsing user id: 1031
Rows Row Source Operation
1 VIEW (cr=3966 pr=0 pw=0 time=84973 us)
1 UNION-ALL (cr=3966 pr=0 pw=0 time=84968 us)
1 HASH JOIN ANTI (cr=3963 pr=0 pw=0 time=84707 us)
1 TABLE ACCESS BY INDEX ROWID CONNECTION (cr=4 pr=0 pw=0 time=123 us)
1 INDEX UNIQUE SCAN R94_SDE_ROWID_UK (cr=3 pr=0 pw=0 time=88 us)(object id 7404)
8586 VIEW VW_NSO_2 (cr=3959 pr=0 pw=0 time=112274 us)
8586 NESTED LOOPS (cr=3959 pr=0 pw=0 time=103686 us)
3661 INDEX RANGE SCAN LINEAGES_PK (cr=7 pr=0 pw=0 time=67 us)(object id 307740)
8586 INDEX RANGE SCAN D94_PK1 (cr=3952 pr=0 pw=0 time=70624 us)(object id 1637355)
0 HASH JOIN ANTI (cr=3 pr=0 pw=0 time=248 us)
0 NESTED LOOPS (cr=3 pr=0 pw=0 time=71 us)
0 TABLE ACCESS BY INDEX ROWID A94 (cr=3 pr=0 pw=0 time=68 us)
0 INDEX RANGE SCAN A94_ROWID_IX1 (cr=3 pr=0 pw=0 time=65 us)(object id 129281)
0 INDEX UNIQUE SCAN LINEAGES_PK (cr=0 pr=0 pw=0 time=0 us)(object id 307740)
0 VIEW VW_NSO_1 (cr=0 pr=0 pw=0 time=0 us)
0 NESTED LOOPS (cr=0 pr=0 pw=0 time=0 us)
0 INDEX RANGE SCAN D94_PK1 (cr=0 pr=0 pw=0 time=0 us)(object id 1637355)
0 INDEX UNIQUE SCAN LINEAGES_PK (cr=0 pr=0 pw=0 time=0 us)(object id 307740)
Elapsed times include waiting on following events:
Event waited on Times Max. Wait Total Waited
SQL*Net message to client 3911 0.00 0.00
SQL*Net message from client 3911 0.49 72.42
latch: cache buffers chains 1434 0.00 0.07
latch: shared pool 1 0.00 0.00
db file sequential read 28 0.14 0.31
latch free 15 0.02 0.04
latch: row cache objects 1 0.00 0.00
log file switch completion 4 0.98 1.64

ssddgreg wrote:
Hi Randolf,
thank you for your excellent interpretation! I have Oracle DBMS 10.2.0.3 Ent Edition deployed on Sun Solaris (64-bit), FIRST_ROWS and CURSOR_SHARING = SIMILAR.
I also checked the table D94.SDE_DELETES_ROW_ID about indexes, it has 3 indexes on the same column:
D94_IX1, NONUNIQUE
D94_IX2, UNIQUE
D94_PK1, UNIQUE
This table is a system table from another middle-tier application and all the DXX tables are configured like that.Is this a third-party vendor application for that you don't have any control over the schema? Because your description of the indexes looks like a potential case of massive over-indexing, increasing the workload required to maintain all this indexes. Very likely some of these indexes are redundant and could be covered by a fewer number of indexes.
Besides that my comment regarding the execution plan was probably not clear enough - what I meant to say is that the HASH_AJ hint prevents the optimizer from doing the clever things with the predicates that I described.
So in principle the question is: What execution plan do you get if you omit the HASH_AJ hints? And how many consistent gets requires this new plan at execution time? You might need to add a NL_AJ hint instead to achieve what I've described, but it would be interesting to see in first place what execution plan is generated without any hints.
Some other comments:
FIRST_ROWS optimizer mode: Does this application require you to use the FIRST_ROWS optimizer mode? Because in principle, if you have an application that actually retrieves most of the time only the first few rows of a larger result set, then you should use the FIRST_ROWS(n) optimizer mode instead. The FIRST_ROWS optimizer mode is deprecated since Oracle 9i if I remember correctly and has some odd side effects on execution plans, in particular if the SQL contains an ORDER BY clause.
If your application usually processes all rows from a given result set, using the default optimizer mode ALL_ROWS is more appropriate - using FIRST_ROWS as a band-aid because with ALL_ROWS things are slower only shows that there is something wrong that should be addressed in a different way (by investigating why the ALL_ROWS mode doesn't arrive at a suitable execution plan as first activity).
CURSOR_SHARING=SIMILAR: Note that CURSOR_SHARING = SIMILAR has some other side effects (and bugs). Oracle has recently announced on My Oracle Support (see document 1169017.1) that CURSOR_SHARING=SIMILAR will be deprecated (no longer supported) in Oracle 12. See this note also for a description why this setting can be problematic.
Of course, if you don't have any control over a vendor application and it works fine and has been optimized for these settings (FIRST_ROWS, CURSOR_SHARING=SIMILAR) then there is not much you can do (or need to do) about that.
Regards,
Randolf
Oracle related stuff blog:
http://oracle-randolf.blogspot.com/
Co-author of the "OakTable Expert Oracle Practices" book:
http://www.apress.com/book/view/1430226684
http://www.amazon.com/Expert-Oracle-Practices-Database-Administration/dp/1430226684

When I attempt to sync my nano I get an error message: "The ipod cannot be synced. The required file cannot be found."

When I attempt to sync my nano I get an error message: "The ipod cannot be synced. The required file cannot be found."

This is getting frustrating. Every example of my problem has the same reply:
Try deleting the iPod Photo Cache folder. This is normally located in your pictures folder. Once this is done, try syncing again.
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http://support.apple.com/kb/ts1314
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The ipod cannot be synced. The required file cannot be found."

My iPod says "cannot be synced. The required file cannot be found. Always when half way through a sync. It also shows apple logo when I try to access photos and I think the issues are linked. Any ideas?

My iPod says "cannot be synced. The required file cannot be found" it also defaults to apple logo when I try to access photos. I think the issues are linked. Any ides?

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My iTunes doesn't sync ALL of my music to my iPod, saying "the required disc cannot be found"

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I have read the API on serialization, no answer there, if it is it's not easy to understand or read into the API...

There are some really important things to know about when doing serialization. For example one important thing to know about that not is mentioned here is that your serializable classes must define its own private static final long serialVersionUID because if you not do that will you not be able to deserialize (read in) the data you have saved later if you change anything in your serializable class. It is a bit tricky to manage files to which you have serialized different versions of your class, that is versions where you have added more serializable members to the class after you have serialized files. Well, it is not a problem if you don´t care if you have to type in all your saved data again every time you change anything instead of deserialize it (read it) from your file of course :)
Situations like this may be handled if you define your own (private) writeObject(ObjectOutputStream) and your own readObject(ObjectInputStream) methods in your serializable class but there is a better a lot smarter way to handle this. Use of a serialization proxy! how to use that is described in the excellent book Effective Java 2nd ed. With a serialzation proxy for every serializable version of your class (where a version corresponds to a version of your class with differences in its number of serializable members) may your class deserialize data written from elder versions of your class also. Actually is it first since I read the last chapter of Effective Java that I think I have myself begin to understand serialization well enough and I recommend you to do the same to learn how to use serialization in practice.

Unalbe to understand the requirement

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