Why do we use triggers?
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What is sql stand for?
Store procedure will return a value?
What is relationship? How many types of relationship are there?
What is procedure in pl sql?
Can you inner join the same table?
What is an index and types of indexes. How many number of indexes can be used per table ?
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How many types of functions are there in sql?
What are sql ddl commands?
What are the types of functions in sql?
How do you select unique values in sql?
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 ?
Is nosql faster than sql?
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