Sql Query Returns repeating rows
Oracle Version : 10g R2.
DDL & DML
CREATE TABLE T1
( CCODE VARCHAR2(4 BYTE),
PNUM VARCHAR2(16 BYTE),
CTYPCDE VARCHAR2(4 BYTE)
INSERT INTO T1 VALUES ('0001','003526892','0007');
INSERT INTO T1 VALUES ('0001','06767019','0006');
INSERT INTO T1 VALUES ('0001','14787-10-900','0007');
INSERT INTO T1 VALUES ('0002','003445803','0009');
INSERT INTO T1 VALUES ('0002','000000','0018');
INSERT INTO T1 VALUES ('0002','001645156','0008');
INSERT INTO T1 VALUES ('0002','001646283','0008');
INSERT INTO T1 VALUES ('0025','002587509','0008');
INSERT INTO T1 VALUES ('0025','02507462', '0008');
INSERT INTO T1 VALUES ('0025','02565229', '0008');
INSERT INTO T1 VALUES ('0025','000943965','0007');
CREATE TABLE XWLK
( CTYPCDE VARCHAR2(4 BYTE),
CODE VARCHAR2(85 BYTE)
INSERT INTO XWLK VALUES ( '0004','70');
INSERT INTO XWLK VALUES ( '0005','05');
INSERT INTO XWLK VALUES ( '0006','05');
INSERT INTO XWLK VALUES ( '0007','05');
INSERT INTO XWLK VALUES ( '0007','10');
INSERT INTO XWLK VALUES ( '0008','15');
INSERT INTO XWLK VALUES ( '0008','20');
INSERT INTO XWLK VALUES ( '0009','25');
INSERT INTO XWLK VALUES ( '0010','75');
INSERT INTO XWLK VALUES ( '0010','80');
INSERT INTO XWLK VALUES ( '0011','75');
INSERT INTO XWLK VALUES ( '0011','80');
INSERT INTO XWLK VALUES ( '0012','75');
INSERT INTO XWLK VALUES ( '0012','80');
INSERT INTO XWLK VALUES ( '0013','75');
INSERT INTO XWLK VALUES ( '0013','80');
INSERT INTO XWLK VALUES ( '0014','75');
INSERT INTO XWLK VALUES ( '0014','80');
INSERT INTO XWLK VALUES ( '0015','75');
INSERT INTO XWLK VALUES ( '0015','80');
INSERT INTO XWLK VALUES ( '0016','75');
INSERT INTO XWLK VALUES ( '0016','80');
INSERT INTO XWLK VALUES ( '0017','15');
INSERT INTO XWLK VALUES ( '0017','70');
INSERT INTO XWLK VALUES ( '0018','15');
INSERT INTO XWLK VALUES ( '0018','25');
INSERT INTO XWLK VALUES ( '0018','70');
INSERT INTO XWLK VALUES ( '0019','25');
INSERT INTO XWLK VALUES ( '0019','70');
INSERT INTO XWLK VALUES ( '0020','70');
INSERT INTO XWLK VALUES ( '0021','75');
INSERT INTO XWLK VALUES ( '0021','80');
INSERT INTO XWLK VALUES ( '0022','75');
INSERT INTO XWLK VALUES ( '0022','80');
INSERT INTO XWLK VALUES ( '0023','10');
INSERT INTO XWLK VALUES ( '0025','05');
INSERT INTO XWLK VALUES ( '0025','10');
INSERT INTO XWLK VALUES ( '0025','25');
INSERT INTO XWLK VALUES ( '0025','30');
INSERT INTO XWLK VALUES ( '0025','35');
INSERT INTO XWLK VALUES ( '0025','40');
INSERT INTO XWLK VALUES ( '0025','45');
INSERT INTO XWLK VALUES ( '0025','50');
INSERT INTO XWLK VALUES ( '0025','55');
INSERT INTO XWLK VALUES ( '0025','60');
INSERT INTO XWLK VALUES ( '0025','65');
INSERT INTO XWLK VALUES ( '0026','75');
INSERT INTO XWLK VALUES ( '0026','80');
INSERT INTO XWLK VALUES ( '0027','05');
INSERT INTO XWLK VALUES ( '0027','10');
INSERT INTO XWLK VALUES ( '0027','25');
INSERT INTO XWLK VALUES ( '0027','30');
INSERT INTO XWLK VALUES ( '0027','35');
INSERT INTO XWLK VALUES ( '0027','40');
INSERT INTO XWLK VALUES ( '0027','45');
INSERT INTO XWLK VALUES ( '0027','50');
INSERT INTO XWLK VALUES ( '0027','55');
INSERT INTO XWLK VALUES ( '0027','60');
INSERT INTO XWLK VALUES ( '0027','65');
INSERT INTO XWLK VALUES ( '0028','15');
INSERT INTO XWLK VALUES ( '0069','75');
CREATE TABLE PTB
( PNUM VARCHAR2(20 BYTE));
INSERT INTO PTB VALUES('003526892');
INSERT INTO PTB VALUES('06767019');
INSERT INTO PTB VALUES('14787-10-900');
INSERT INTO PTB VALUES('003445803');
INSERT INTO PTB VALUES('000000');
INSERT INTO PTB VALUES('001645156');
INSERT INTO PTB VALUES('001646283');
INSERT INTO PTB VALUES('002587509');
INSERT INTO PTB VALUES('02507462');
INSERT INTO PTB VALUES('02565229');
INSERT INTO PTB VALUES('000943965');
Query
SELECT
SAK.CCODE,
SAK.CTYPCDE,
CASE
WHEN SAK.CCODE = '0001' and SAK.CTYPCDE != '0088' THEN '75'
WHEN SAK.CCODE = '0002' and SAK.CTYPCDE != '0088' THEN '75'
WHEN SAK.CCODE = '0002' and SAK.CTYPCDE != '0088' THEN '80'
WHEN SAK.CCODE = '0003' and SAK.CTYPCDE != '0088' THEN '80'
ELSE XWLK.CODE
END AS PCD,
PTB.PNUM
FROM T1 SAK INNER JOIN XWLK ON SAK.CTYPCDE = XWLK.CTYPCDE
INNER JOIN PTB ON SAK.PNUM = PTB.PNUM
Order by 4
Output
CCODE CTYPCODE PCD PNUM
0002 0018 75 000000
0002 0018 75 000000
0002 0018 75 000000
0025 0007 05 000943965
0025 0007 10 000943965
0002 0008 75 001645156
0002 0008 75 001645156
0002 0008 75 001646283
0002 0008 75 001646283
0025 0008 15 002587509
0025 0008 20 002587509
0002 0009 75 003445803
0001 0007 75 003526892
0001 0007 75 003526892
0025 0008 20 02507462
0025 0008 15 02507462
0025 0008 15 02565229
0025 0008 20 02565229
0001 0006 75 06767019
0001 0007 75 14787-10-900
0001 0007 75 14787-10-900
But the Output is not the expected one if we see for the PNUM = 000000, the records are displayed
3 times it should be only ones displayed and also for PNUM = 001645156. My Query is why is it displaying
more than once, is there anyway that we can display it only once. Can some please advice me where am making
wrong. Thanks in advance.
Hi Frank,
Thanks for your responce. My earlier Insert scripts the sample data had few issues, Please find below the updated one....
Oracle Version : 10g R2.
DDL & DML
CREATE TABLE T1
( CCODE VARCHAR2(4 BYTE),
PNUM VARCHAR2(16 BYTE),
CTYPCDE VARCHAR2(4 BYTE)
INSERT INTO T1 VALUES ('0512', '000-06-5393-05', '0023');
INSERT INTO T1 VALUES ('0305', '000-06-5393-05', '0006');
INSERT INTO T1 VALUES ('0611', '0000', '0006');
INSERT INTO T1 VALUES ('0806', '0000', '0008');
INSERT INTO T1 VALUES ('0606', '0000', '0006');
INSERT INTO T1 VALUES ('0099', '0000', '0007');
INSERT INTO T1 VALUES ('0025', '000000324', '0008');
CREATE TABLE XWLK
( CTYPCDE VARCHAR2(4 BYTE),
CODE VARCHAR2(85 BYTE)
INSERT INTO XWLK VALUES ( '0004','70');
INSERT INTO XWLK VALUES ( '0005','05');
INSERT INTO XWLK VALUES ( '0006','05');
INSERT INTO XWLK VALUES ( '0007','05');
INSERT INTO XWLK VALUES ( '0007','10');
INSERT INTO XWLK VALUES ( '0008','15');
INSERT INTO XWLK VALUES ( '0008','20');
INSERT INTO XWLK VALUES ( '0009','25');
INSERT INTO XWLK VALUES ( '0010','75');
INSERT INTO XWLK VALUES ( '0010','80');
INSERT INTO XWLK VALUES ( '0011','75');
INSERT INTO XWLK VALUES ( '0011','80');
INSERT INTO XWLK VALUES ( '0012','75');
INSERT INTO XWLK VALUES ( '0012','80');
INSERT INTO XWLK VALUES ( '0013','75');
INSERT INTO XWLK VALUES ( '0013','80');
INSERT INTO XWLK VALUES ( '0014','75');
INSERT INTO XWLK VALUES ( '0014','80');
INSERT INTO XWLK VALUES ( '0015','75');
INSERT INTO XWLK VALUES ( '0015','80');
INSERT INTO XWLK VALUES ( '0016','75');
INSERT INTO XWLK VALUES ( '0016','80');
INSERT INTO XWLK VALUES ( '0017','15');
INSERT INTO XWLK VALUES ( '0017','70');
INSERT INTO XWLK VALUES ( '0018','15');
INSERT INTO XWLK VALUES ( '0018','25');
INSERT INTO XWLK VALUES ( '0018','70');
INSERT INTO XWLK VALUES ( '0019','25');
INSERT INTO XWLK VALUES ( '0019','70');
INSERT INTO XWLK VALUES ( '0020','70');
INSERT INTO XWLK VALUES ( '0021','75');
INSERT INTO XWLK VALUES ( '0021','80');
INSERT INTO XWLK VALUES ( '0022','75');
INSERT INTO XWLK VALUES ( '0022','80');
INSERT INTO XWLK VALUES ( '0023','10');
INSERT INTO XWLK VALUES ( '0025','05');
INSERT INTO XWLK VALUES ( '0025','10');
INSERT INTO XWLK VALUES ( '0025','25');
INSERT INTO XWLK VALUES ( '0025','30');
INSERT INTO XWLK VALUES ( '0025','35');
INSERT INTO XWLK VALUES ( '0025','40');
INSERT INTO XWLK VALUES ( '0025','45');
INSERT INTO XWLK VALUES ( '0025','50');
INSERT INTO XWLK VALUES ( '0025','55');
INSERT INTO XWLK VALUES ( '0025','60');
INSERT INTO XWLK VALUES ( '0025','65');
INSERT INTO XWLK VALUES ( '0026','75');
INSERT INTO XWLK VALUES ( '0026','80');
INSERT INTO XWLK VALUES ( '0027','05');
INSERT INTO XWLK VALUES ( '0027','10');
INSERT INTO XWLK VALUES ( '0027','25');
INSERT INTO XWLK VALUES ( '0027','30');
INSERT INTO XWLK VALUES ( '0027','35');
INSERT INTO XWLK VALUES ( '0027','40');
INSERT INTO XWLK VALUES ( '0027','45');
INSERT INTO XWLK VALUES ( '0027','50');
INSERT INTO XWLK VALUES ( '0027','55');
INSERT INTO XWLK VALUES ( '0027','60');
INSERT INTO XWLK VALUES ( '0027','65');
INSERT INTO XWLK VALUES ( '0028','15');
INSERT INTO XWLK VALUES ( '0069','75');
CREATE TABLE PTB
( PSAK Number(10,0),
PNUM VARCHAR2(20 BYTE),
Seq_num NUMBER(5,0));
INSERT INTO PTB VALUES('9462003', '000-06-5393-05', '1');
INSERT INTO PTB VALUES('9462004', '000-06-5393-05', '2');
INSERT INTO PTB VALUES('9462008', '0000', '1');
INSERT INTO PTB VALUES('9462009', '0000', '2');
INSERT INTO PTB VALUES('9462010', '0000', '3');
INSERT INTO PTB VALUES('9462017', '000000324', '1');
Query
SELECT
PTB.PSAK,
CASE
WHEN SAK.CCODE = '0001' and SAK.CTYPCDE != '0088' THEN '75'
WHEN SAK.CCODE = '0002' and SAK.CTYPCDE != '0088' THEN '75'
WHEN SAK.CCODE = '0002' and SAK.CTYPCDE != '0088' THEN '80'
WHEN SAK.CCODE = '0003' and SAK.CTYPCDE != '0088' THEN '80'
ELSE XWLK.CODE
END AS PCD,
PTB.PNUM,
PTB.Seq_num
FROM T1 SAK INNER JOIN XWLK ON SAK.CTYPCDE = XWLK.CTYPCDE
INNER JOIN PTB ON SAK.PNUM = PTB.PNUM
Order by 4,3
Query output without distinct
PSAK PCD PNUM SEQ_NUM
9462003 05 000-06-5393-05 1
9462003 10 000-06-5393-05 1
9462008 05 0000 1
9462008 10 0000 1
9462008 20 0000 1
9462008 15 0000 1
9462008 05 0000 1
9462008 05 0000 1
9462017 20 000000324 1
9462017 15 000000324 1
9462004 10 000-06-5393-05 2
9462004 05 000-06-5393-05 2
9462009 05 0000 2
9462009 20 0000 2
9462009 05 0000 2
9462009 15 0000 2
9462009 05 0000 2
9462009 10 0000 2
9462010 05 0000 3
9462010 05 0000 3
9462010 15 0000 3
9462010 10 0000 3
9462010 05 0000 3
9462010 20 0000 3
Query output with distinct
PSAK PCD PNUM SEQ_NUM
9462003 05 000-06-5393-05 1
9462003 10 000-06-5393-05 1
9462008 05 0000 1
9462008 10 0000 1
9462008 15 0000 1
9462008 20 0000 1
9462017 15 000000324 1
9462017 20 000000324 1
9462004 05 000-06-5393-05 2
9462004 10 000-06-5393-05 2
9462009 05 0000 2
9462009 10 0000 2
9462009 15 0000 2
9462009 20 0000 2
9462010 05 0000 3
9462010 10 0000 3
9462010 15 0000 3
9462010 20 0000 3
But both the output is wrong is there any way that i can get the result set as below, from the above query i can see duplicates
if the PNUM has more SEQ_NUM then it is again doing a cross join i think and hence the result set is coming wrong. The Below
is the expected output. Can some one help me out in getting this. Thanks in advance.
PSAK PCD PNUM SEQ_NUM
9462003 05 000-06-5393-05 1
9462004 10 000-06-5393-05 2
9462008 05 0000 1
9462009 05 0000 2
9462010 15 0000 3
9462010 20 0000 3
9462017 15 000000324 1
9462017 20 000000324 1
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44 ,supplier_id varchar2(1000) path '@organisation'
45 ,format varchar2(1000) path '@content_format'
46 ,modified_date varchar2(1000) path '@modified_date'
47 ,item_status varchar2(1000) path '@item_status'
48 ,completion_date varchar2(1000) path '@status_date'
49 ,component_code varchar2(1000) path '@demand'
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ITEM_ID
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begin
prop_v := p_session.get_value_as_varchar2(p_block_name=>'DEFAULT', p_attribute_name => 'l_property_p');
group_v := p_session.get_value_as_varchar2(p_block_name=>'DEFAULT', p_attribute_name => 'l_group_p');
select element_code
into el1_v
from eh_risk_element_detail
where property_ref = prop_v
and group_code = group_v
and line_no = 1;
p_session.set_value(p_block_name => blk, p_attribute_name => 'L_ELEMENT1_P', p_value => el1_v);
end;
Rich -
[Excel] Running a SQL Query to delete rows
Hello Experts,
Background: I am attempting to use a dba of my companies time keeping system and implement it with Power BI tools. Given the file size restrictions within Power Bi itself I need to lower my file size by removing all time logs from
inactive employees.
I have a question regarding whether or not you can use a sql query to delete rows in excel. I have roughly 200,000+ rows in my excel spreadsheet. I am attempting to delete all rows where an employee equals inactive. I have attempted to
delete these rows by sorting them and doing a bulk delete and clear contents, but it seems to crash my excel every time. My thought process is that using a query that does a timed delete might put less of a burden on deleting the massive amount of data.
I would like to use this: DELETE * FROM [Table_(...)_Actual$] WHERE [Current] = "Inactive" (Will add more once I know it is possible to use sql queries in Excel.
Any information on whether or not this is possible would be appreciated.
Regards,
LinkRunning SQL Query in Excel is possible, however, the delete query is not supported in Excel.
You are more restricted in deleting Excel data than data from a relational data source. In a relational database, "row" has no meaning or existence apart from "record"; in an Excel worksheet, this is not true. You can delete values
in fields (cells). Please see:http://support.microsoft.com/kb/257819/en-us
One workaround : Use update query to set the rows as null, then use select query.
e.g.
SQL = "update [sheet2$A1:B5] set name=null,age=null where name='andy'"
cnn.Execute SQL
SQL = "select name,age from [sheet2$A1:B5] where name is not null"
Wind Zhang
TechNet Community Support -
Exists (SQL query returns at least one row) condition with MAX on 10.2.0.4
I just wanted to note this on the forum..
I'm using Apex 3.0.1.00.08
My DEV environment has just been upgraded from 10g version 10.2.0.2.0 to 10.2.0.4.0.
I created the following process to select some values into some items on my Form page.
select MAX(STAT_YEAR+1)
, pcd.pct_id
, pcd.stat_type_id
, pcd.stat_period_type_id
, pcd.measurement_id
into :P11_STAT_YEAR
, :P11_PCT_ID
, :P11_STAT_TYPE_ID
, :P11_STAT_PERIOD_TYPE_ID
, :P11_MEASUREMENT_ID
from plant_commodity_data pcd
, stat_type stt
where pcd.STAT_TYPE_ID = stt.STAT_TYPE_ID
and pcd.pct_id = :P0_PCT_ID
and stt.stat_type = 'PRD'
group by pcd.pct_id
, pcd.stat_type_id
, pcd.stat_period_type_id
, pcd.measurement_id;The process should run conditionally if there was at least one row to select...
So I copied the SQL into the Process condition, removed the "into" section and set the condition type to be "Exists (SQL query retruns at least one row) ...
select MAX(STAT_YEAR+1)
, pcd.pct_id
, pcd.stat_type_id
, pcd.stat_period_type_id
, pcd.measurement_id
from plant_commodity_data pcd
, stat_type stt
where pcd.STAT_TYPE_ID = stt.STAT_TYPE_ID
and pcd.pct_id = :P0_PCT_ID
and stt.stat_type = 'PRD'
group by pcd.pct_id
, pcd.stat_type_id
, pcd.stat_period_type_id
, pcd.measurement_id;This worked perfectly until the DEV environment was upgraded from 10g version 10.2.0.2.0 to 10.2.0.4.0.
The condition would fire even if there were no rows returning.
I pasted the condition code into SQL Developer connected to the DEV (10.2.0.4.0) environment and it returned no rows.
To solve the problem, I removed the MAX.
You can test this using this code if you have access to the two versions... select MAX(1)
, sysdate
, 'Gus'
from dual
where 1 = 2
group by sysdate, 2Now I know the MAX isn't required in the condition as I'm just trying to find out if any rows exist, but it was there as I copied the code in... I was just wondering why this happened between 10.2.0.2.0 and 10.2.0.4.0?
Gus..Hi Gus,
try to execute
select count(*) from dual where exists (select MAX(1)
, sysdate
, 'Gus'
from dual
where 1 = 2
group by sysdate, 2)in SQL Developer. The above statement is generated by APEX for an "Exists (SQL query retruns at least one row)". Can't test it, because I don't have a 10.2.0.4.0 at hand.
Does SQL Developer now show the same behavior?
Patrick
My APEX Blog: http://www.inside-oracle-apex.com
The APEX Builder Plugin: http://builderplugin.oracleapex.info/
The ApexLib Framework: http://apexlib.sourceforge.net/ -
Repeating frame not visible when the query returns no rows
I've developed a report whose output looks like this:
Subinventory | Part Code |Part Description |Ordered Qty | Received Qty
Mentone St | BATT | non serialised item | |
Mentone St | SONY | spare parts MIN MAX | 30| 0
In the above report
subinventory, Part Code, Part description are in one repeating frame and Ordered and received qty are in other repeating frame.
for a perticular part code there may not be ordered or received quantities. Means the seond query fetches no rows for the perticulat partcode. In that case report is showing null(blank) but I want to print ZERO there.
If I use NVL in the query it'll effect only when the query fetches some rows.
I've tried with formula columns. for example in the formula column
IF :ordered_qty IS NULL THEN
v_ordered_qty :=0;
ELSE
v_ordered_qty := :ordered_qty;
END IF;
return(v_ordered_qty);
I've assigned this formula column as source to the Ordered Qty Filed. Then also its not working.
Any help in this regards is highly apprecialted
regards,
Vijmay be you can modify your code like below:
SELECT i.subinventory, i.part_code, i.part_description, i.min_qty, i.max_qty,
NVL (j.quantity, 0) ordered_qty,
NVL (j.quantity_delivered, 0) received_qty
FROM (SELECT DISTINCT c.secondary_inventory subinventory,
b.segment1 part_code, b.description part_description,
c.min_minmax_quantity min_qty,
c.max_minmax_quantity max_qty, b.inventory_item_id,
b.organization_id
FROM mtl_system_items_b b,
mtl_item_sub_inventories_all_v c
WHERE b.inventory_item_id = c.inventory_item_id
AND b.organization_id = c.organization_id
AND UPPER (c.secondary_inventory) =
NVL (UPPER (DECODE (:p_sub_inv,
'ALL', '',
:p_sub_inv
UPPER (c.secondary_inventory)
)) i,
(SELECT mtrl.inventory_item_id, mtrl.organization_id,
mtrl.to_subinventory_code,
NVL (SUM (mtrl.quantity), 0) quantity,
NVL (SUM (mtrl.quantity_delivered), 0) quantity_delivered
FROM mtl_txn_request_lines mtrl, mtl_system_items_b msi
WHERE mtrl.inventory_item_id = msi.inventory_item_id
AND mtrl.organization_id = msi.organization_id
AND mtrl.reference_type_code = 2
AND UPPER (mtrl.to_subinventory_code) =
NVL (UPPER (DECODE (:p_sub_inv, 'ALL', '', :p_sub_inv)),
UPPER (mtrl.to_subinventory_code)
AND TRUNC (mtrl.creation_date)
BETWEEN NVL (TRUNC (TO_DATE (:p_from_date,
'yyyy/mm/dd hh24:mi:ss'
TRUNC (mtrl.creation_date)
AND NVL (TRUNC (TO_DATE (:p_to_date,
'yyyy/mm/dd hh24:mi:ss'
TRUNC (mtrl.creation_date)
GROUP BY mtrl.inventory_item_id,
mtrl.organization_id,
mtrl.to_subinventory_code) j
WHERE i.inventory_item_id = j.inventory_item_id(+)
AND i.organization_id = j.organization_id(+) -
Query return no rows in Answers but retrun rows in sql
Hi all,
I have the following query which return 3 rows in SQL promple but return no row in Answer and Execute direct request what is the problem any idea?
select abc_date,abc_asset_desc,sum(abc_market_val_lcy+abc_int_accr_lcy) "Stock"
from abc
group by abc_date,abc_asset_descRegardsHi,
i really appriciate your reply
pls tell me briefly from where i can set log-level > 2 ?? and from where check the physical log of SQL ?
Followig message is arise at server log
ORA-01455 converting column overflow integer datatype at OCI call OCIStmtFetch,Bulk fetched failed
Message was edited by:
53637 -
Silly old fogey (me) cannot figure out why this query returns 1 row
Hi all,
In reference to {thread:id=2456973}, why does
select sum(count(decode(job, 'CLERK', 1, null))) CLERKS
, sum(count(decode(job, 'SALESMAN', 1, null))) SALESMANS
from emp group by job;only return 1 row and not 1 for each job? I actually had to test it myself to believe it.
It returns data as if the query were
select sum(CLERKS), sum(SALESMANS)
from (select count(decode(job, 'CLERK', 1, null)) CLERKS, count(decode(job, 'SALESMAN', 1, null)) SALESMANS
from emp group by job)Using only a single aggregate (either count or sum) returns 1 row per job, as expectedJohn Stegeman wrote:
It returns data as if the query were
select sum(CLERKS), sum(SALESMANS)
from (select count(decode(job, 'CLERK', 1, null)) CLERKS, count(decode(job, 'SALESMAN', 1, null)) SALESMANS
from emp group by job)
Exactly the point ;-)
Seems like Oracle actually can do a "double group by" in the same operation.
Witness the explain plans in this example:
SQL> select count(decode(job, 'CLERK', 1, null)) CLERKS
2 , count(decode(job, 'SALESMAN', 1, null)) SALESMANS
3 from scott.emp group by job;
CLERKS SALESMANS
0 0
0 0
0 0
0 4
4 0
Execution Plan
Plan hash value: 1697595674
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |
| 0 | SELECT STATEMENT | | 5 | 40 | 4 (25)| 00:00:01 |
| 1 | HASH GROUP BY | | 5 | 40 | 4 (25)| 00:00:01 |
| 2 | TABLE ACCESS FULL| EMP | 14 | 112 | 3 (0)| 00:00:01 |
---------------------------------------------------------------------------And compare it to this one with the double aggregates:
SQL> select sum(count(decode(job, 'CLERK', 1, null))) CLERKS
2 , sum(count(decode(job, 'SALESMAN', 1, null))) SALESMANS
3 from scott.emp group by job;
CLERKS SALESMANS
4 4
Execution Plan
Plan hash value: 417468012
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |
| 0 | SELECT STATEMENT | | 1 | 8 | 4 (25)| 00:00:01 |
| 1 | SORT AGGREGATE | | 1 | 8 | 4 (25)| 00:00:01 |
| 2 | HASH GROUP BY | | 1 | 8 | 4 (25)| 00:00:01 |
| 3 | TABLE ACCESS FULL| EMP | 14 | 112 | 3 (0)| 00:00:01 |
----------------------------------------------------------------------------There is both HASH GROUP BY and SORT AGGREGATE.
It does not really make sense to do an aggregate on an aggregate - if both aggregates are used "on the same group-by level".
The sum() aggregates are used upon an already aggregated value, so it does look like Oracle actually treats that as "first do the inner aggregate using the specified group by and then do the outer aggregate on the result with no group by."
Look at this example where I combine "double" aggregates with "single" aggregates:
SQL> select sum(count(decode(job, 'CLERK', 1, null))) CLERKS
2 , sum(count(decode(job, 'SALESMAN', 1, null))) SALESMANS
3 , count(decode(job, 'SALESMAN', 1, null)) SALESMANS2
4 , count(*) COUNTS
5 from scott.emp group by job;
CLERKS SALESMANS SALESMANS2 COUNTS
4 4 1 5
Execution Plan
Plan hash value: 417468012
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |
| 0 | SELECT STATEMENT | | 1 | 8 | 4 (25)| 00:00:01 |
| 1 | SORT AGGREGATE | | 1 | 8 | 4 (25)| 00:00:01 |
| 2 | HASH GROUP BY | | 1 | 8 | 4 (25)| 00:00:01 |
| 3 | TABLE ACCESS FULL| EMP | 14 | 112 | 3 (0)| 00:00:01 |
----------------------------------------------------------------------------When mixing "double" and "single" aggregates, Oracle decides that single aggregates belong in the "outer" aggregation.
SALESMAN2 is doing a count on the aggregated job column that is the result of the "inner" group by - therefore only 1.
The count(*) also counts the result of the "inner" aggregation.
I am not sure if this is documented or if it is a "sideeffect" of either the internal code used for GROUPING SETS or the internal code used for allowing analytic functions like this:
SQL> select count(decode(job, 'CLERK', 1, null)) CLERKS
2 , count(decode(job, 'SALESMAN', 1, null)) SALESMANS
3 , sum(count(decode(job, 'CLERK', 1, null))) over () CLERKS2
4 , sum(count(decode(job, 'SALESMAN', 1, null))) over () SALESMANS2
5 from scott.emp group by job;
CLERKS SALESMANS CLERKS2 SALESMANS2
0 0 4 4
4 0 4 4
0 0 4 4
0 0 4 4
0 4 4 4
Execution Plan
Plan hash value: 4115955660
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |
| 0 | SELECT STATEMENT | | 5 | 40 | 4 (25)| 00:00:01 |
| 1 | WINDOW BUFFER | | 5 | 40 | 4 (25)| 00:00:01 |
| 2 | SORT GROUP BY | | 5 | 40 | 4 (25)| 00:00:01 |
| 3 | TABLE ACCESS FULL| EMP | 14 | 112 | 3 (0)| 00:00:01 |
----------------------------------------------------------------------------Personally I think I would have preferred if Oracle raised an error on this "double aggregation" and thus require me to write it this way (if that is the result I desired):
select sum(CLERKS), sum(SALESMANS)
from (select count(decode(job, 'CLERK', 1, null)) CLERKS, count(decode(job, 'SALESMAN', 1, null)) SALESMANS
from emp group by job)I can not really think of good use-cases for the "double aggregation" - but rather that it could give you unnoticed bugs in your code if you happen to do double aggregation without noticing it.
Interesting thing to know ;-) -
APEX,PDF's, BI Publisher and SQL Query returning SQL code..
I don't know if I should be posting this in this Forum or the BI Publisher forum, so I am posting in BOTH forums..
I love APEX, let me say that first.. And appreciate the support offered here by the group, but am running int a confusing issue when BI Publisher tries to build a report from the above type APEX report..
Here is my dilemma:
I have a number of reports that are part of a Oracle package. They return an SQL Query back to a reports region on a page. I am having to deal with the column names returned are col01, col02..
The issue I have is, when building the Application Level query to download the XML sample from in building RTF layouts in Word, you can not use this code, you MUST use a standard SQL Select.
I have taken the sql from the function returning sql, and copied into the application query, supplying the required data values for bind variables being used in the query.
An XML file is produced, and I use this to build the RTF format file that I load back into APEX and try to use it for the PDF rendering of the report. I can view the output as a PDF in the Word add on, but when I try using it with the report, it is returning an empty PDF file.
Can anyone tell me what error log files on the bi publisher side I can look at to see what error is happening?
Thank you,
Tony Miller
UTMB/EHN
Title adjusted to allow people to know what I am talking about...
Message was edited by:
Tony MillerTony,
You can find the log as follows:
- go to http://[yourserver]:[yourport]/em
- logon to OC4J EM: oc4jadmin/[yourpassword]
- click on "logs" at the bottom of the page
- in the hgrid/tree, expand OC4J->home->Application
xmlpserver
- click on view log icon
You can also observe what's going on in BI Publisher
by going to the command prompt from where you started
it.
Or, as a third option, you can locate the file on
your file system, depending on your setup, the path
would be something similar to this:
\oracle\product\10.2.0\bip\j2ee\home\application-deplo
yments\xmlpserver\application.log
With that said though, I don't expect you'll find
much in there that would help with your particular
problem. I suspect you either get no rows in your XML
at runtime, due to some session state issues, or your
XML structure does in fact not match your RTF
template.
I'm not quite following your problem description,
i.e. when did you do what and are you associating
your report layout with a report query or report
region. So just some general notes, your query needs
to be parseable at design-time, when exporting the
XML, so that you get the XML file with the proper
column names derived from your query. If you want to
use your RTF template with a standard report region,
you must export the XML file first using the advanced
XML structure option. And of course the column names
in your report query need to match the column names
in your report region.
Perhaps this helps you further diagnose what's going
on, if you have additional information that could
help, let me know. And if you could stage this on
apex.oracle.com, I'd be happy to take a look.
Regards,
MarcMarc,
Thanks for looking at this issue. Below find my remarks to your questions..
Re: your query needs
to be parseable at design-time, when exporting the
XML, so that you get the XML file with the proper
column names derived from your query.At the start of this process, the query code was a function in a package. The function was returning an SQL select statement, for a report region on a page. I took the select statement, built an application query to build a sample of the xml for BI Publisher desktop (Add-on for Word). The code was producing the usual Col01, Col02.. since at design time that is were the column names.
When I then took the xml from this and built the rtf for loading into my APEX application.
When testing the Application Query with this RTF report layout, I am getting PDF's. When using it with the report region sending an xml feed to BI Publisher I am getting nothing back.
I have since taken the sql code and moved it back into the report region, and set the region to have a type of straight SQL Query. I have even tried to hard-code the parameters I was getting from the page to limit data returned.
Is it possible to see the xml being produced by the APEX page?
Re: Stage this on apex.oracle.com.. I would love to, but we would have HIPPA issues if I posted the data on a public website.
Can I send you the RTF file and the xml file that the application query is creating to see if there something weird about them?
Thank you,
Tony Miller
UTMB/EHN -
Need help in SQL Query: Update a row in a table & insert the same row into another table
I want to update a row in a table say Table A and the updated row should be inserted into another table say Table B. I need to do it in a single SQL query and i don't want to do it in PL/SQL with triggers. And i tried with MERGE statement but its working with this scenario. (Note: I'm using Oracle Database 10g Enterprise Edition Release 10.2.0.1.0).
Thanks in Advance.Using Sven's code as an example, you could save the updated row in a sql plus variable. (also untested):
SQL> var v_id number
update tableA
set colB='ABC'
where colC='XYZ'
returning id into :v_id;
insert into table A_History (ID, colA, colB, ColC)
select id, ColA, ColB, ColC
from tableA
where id = :v_id; -
Query returns more row than expected
1. select * from view_name where col1 = 'value1' returns 12 rows
2. select * from (view script) where col1 = 'value1' returns 24 rows
i have a view called view_name. If i use view_name directly in the query, it returns 12 rows. But if i use the select script directly in from clause, it returns more rows. I am not able to find out why it is happening so. Any pointers will be helpful.Are you saying that the SQL for view_name and view_script are identical? Can you post them?
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