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Source having one lakh record and loaded into target. Then, how can i compare records will loaded in table? For example Source having Firstname,Lastname. the same Firstname,Lastname record will be loaded into Target? How can i check in Oracle?
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You can use the minus keyword
Source table name is A
Target table name is B.
Query can be
select * from B
minus
select * from A
or else you can do a minus from A to B.
select * from A
minus
select * from B
Inthis way you can find the mismatch
(Note: This is just one way pf comparing)
Thanks,
Ranjan
| Is This Answer Correct ? | 5 Yes | 2 No |
Answer / abhinaw prakash
If both exist in same database then you can use NOT EXIST
function to find out the missing rows.
If both exist in diff databases then you can join them using
joiner and compare the rows in expression and Raise a Flag
for not matching rows.You can then use filter and pass only
the non matching rows into the target.
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / abhinaw prakash
We can use lookup transformation to stay away from these
problem and can lookup the target columns befor entering the
data.
| Is This Answer Correct ? | 1 Yes | 0 No |
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