Answer / subhash

we can delete in 2 ways:
1) in TGT Oracle Stage,
select 'Write Mode' as 'DELETE'
and write the delete Query as
"DELETE FROM EMP_TGT
WHERE EID IN (SELECT EID FROM EMP_SRC)"

2)Select 'Write Mode' as 'UPDATE' and write some dummy update query(This statement will not execute as WHERE condition 1=2) as
"UPDATE EMP SER EID='1111' WHERE 1=2"
then write delete query in 'Run before SQL statemets' as
"DELETE FROM EMP_TGT
WHERE EID IN (SELECT EID FROM EMP_SRC)"

Answer / vaibhav

We can perform inner join between seq file & oracle stage and then in target oracle stage have write method as Delete where we can specify delete query using orchestrate incoming rows..

Answer / vinod upputuri

Simple job:

SEQ>>>ORACLE_STAGE.

in ORCL_STAGE: SPECIFY WRITE METHOD: DELETE ROWS

specify the matching column as key column in column definition.

Answer / shar

Vaibhav can u plz explain how an sql query is written b/t
seq file and oralce table in oracle stage delete query?

Answer / shilpasagarg

1)The approach is to load the seq file data into one
temporary table say EMP_TEMP. (SEQ -> ODBC Stage (Oracle
(EMP_TEMP table)
EMP_TEMP contains
eid
1
2
"
"
10

2)Then take the ODBC Stage to connect to Oracle DB (EMP
table).
EMP table contains
eid
1
2
"
"
100

Here use the below query to delete the matched EID's
permanantly from oracle DB

DELETE EMP
FROM EMP
INNER JOIN EMP_TEMP
ON EMP.EID=EMP_TEMP.EID

hi my source is:: empno,deptno,salary 1, 10, 3.5 2, 20, 8 2, 10, 4.5 1, 30, 5 3, 10, 6 3, 20, 4 1, 20, 9 then target should be in below form... empno,max(salary),min(salary),deptno 1, 9, 3.5, 20 2, 8, 4.5, 20 3, 6, 4, 10 can anyone give data flow in data stage for the above scenario.... thanks in advance...

5 Answers  

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