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.
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Answer Posted / 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.
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