What is trigger and types?

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PL/SQL allocates memory for the variable's at runtime or at compile time

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What is the purpose of a sql?

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I have a small PL/SQL Block assume in this way begin select * from emp where empno=100; exception when others then <Some Messages> when no_data_found then <Some Messages> when too_many_rows then <Some Messages> end; The question which he asked was whether this block will get executed normally or it will throw error ? If errored out then what is the reason for the error ? Could anybody please help me ? Regards Nakul Venkataraman

3 Answers   Satyam,

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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 ?

7 Answers   Oracle,

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How to find 3rd highest salary of an employee from the employee table in sql?

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Can we update views in sql?

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how many triggers are allowed in mysql table? : Sql dba

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What is integrity in sql?

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Does mysql support pl sql?

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How many sql core licenses do I need?

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How do I count records in sql?

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