How do I save the results of sql query in a file?
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Define overloaded procedure?
Differentiate between sga and pga.
What is foreign key and example?
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Give the structure of the procedure ?
Why are sql stored procedures used?
Why do we need unique key in a table?
What is pl sql in dbms?
what is oracle database ? : Sql dba
declare l1 number := null; l2 number :=null; begin if l1=l2 then message('equal'); else if l1<>l2 then message('not equal'); else message('else'); end if; end if; end; What will be the output ?
What are joins in sql?
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