What is int identity 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 ?
What is clause?
need to split a string into seperate values. eg. col1 col2 ---------- 100 - 'a,b,c' 200 - 'a,x,b,d,e' 300 - 'c' result: value count ------------- a - 2 b - 1 c - 2 etc.
Is natural join and inner join same?
What is the use of index in sql?
What is sqlexception in java?
How to add new employee details in an employee_details table with the following details
how to enter binary numbers in sql statements? : Sql dba
Why is %isopen always false for an implicit cursor?
What is cross join sql?
Can a table have no primary key?
What are the differences between implicit and explicit cursors?