What is an implicit commit?
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declare lowerl number:= 1; upperl number:= 3; num varchar2(10); begin for i into lowerl..upperl loop num:=num||to_char(lowerl); if i=3 then upperl:=5; end loop; message(num); What will be the output ?
What is primary key in db?
What is sql server and ase?
Which sql most popular?
Which is faster view or stored procedure?
What is the difference between distinct and unique in sql?
How do I find duplicates in the same column?
What are pl/sql cursors?
How do you delete a table?
diff b/w sub query and co-relater query?
What is over () in sql?
Types of joins ?
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