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how to correctly return values from a function

I would like to create a function that queries a user table by passing a username and a password, the function is supposed to return 'Y' if the username / password are correct and 'N' if they're not. ...
0
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1answer
571 views

Find ID columns with null value in oracle database

I need a way to iterate through all tables in tablespace "T_ECOS" and find all ID with null value in oracle database Any suggestion?