What is the purpose of the primary key?
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How do you declare a user-defined exception?
Is join same as left join?
what are the methods using performance tunning in sql and pl/sql
explain about mysql and its features. : Sql dba
What is a call statement? Explain with an example.
Can we use update in sql function?
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What type of database is cloud sql?
IF EMP HAS 2 ROWS,DEPT HAS 4 ROWS.WHATS THE RESULT OF SELECT * FROM EMP,DEPT;