Whats the difference between a 1.Stored procedure and Function
2.String and StringBuffer.
Is StringBuffer synchronised
3.why we use Triggers?Why can,t we check the condition in the client side itself instead of using triggers?
>> 1.Stored procedure and Function
Compare to the similar concepts in e.g. Pascal. A procedure doesn't have to have a return value, and function must.
>> 2.String and StringBuffer.
A String is immutable,
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