What is foreign key and example?
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Where the integrity constrints are stored in Data Dictionary?
What is sqlite format?
Can we use out parameter in function?
how to retrieve last tree records from table? select *from emp where rownum > (select count(*)-3 from emp); i am using this query to get last three records from table but its not giving any output, so please tell me what is the error in this query.
Can we use two order by clause in query?
What is the difference between SQL and PLSQL
How does cross join work?
What is number function in sql?
What is the different between Stored Procedure and Procedure?
What is compound trigger?
how can we destroy the cookie? : Sql dba
what is cross join? : Sql dba
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