source table A having 100000 records. and target B table
having 100000 records. now iam updating B records using update
query. i don't know which record is update in target. write a
sql query get all updated records from target table B.

Answers were Sorted based on User's Feedback



source table A having 100000 records. and target B table having 100000 records. now iam updating B..

Answer / alekya

use a mminus query between two tables..you will get the
mismatch records.

Is This Answer Correct ?    2 Yes 0 No

source table A having 100000 records. and target B table having 100000 records. now iam updating B..

Answer / ankur saini er.ankur861@gmail.

hi...i think this cannt be done without an audit columns ..
a date or batch id etc..

Is This Answer Correct ?    1 Yes 0 No

source table A having 100000 records. and target B table having 100000 records. now iam updating B..

Answer / srini

In this case check Target table should have Record update
timestamp along with Insert time stamp
Other wise Check the max time stamp it will help.

Is This Answer Correct ?    6 Yes 7 No

source table A having 100000 records. and target B table having 100000 records. now iam updating B..

Answer / hollister

The key coluns that are common in both tables are to be
considered and compare each field in both tables. If there
is any change in any of the column in table B then it is
the updated column.

Is This Answer Correct ?    0 Yes 10 No

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