What is pl sql record in oracle?
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What is before trigger?
How to create a menu in sqlplus or pl/sql?
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 ?
How to run sql statements through the web interface?
Show the two pl/sql cursor exceptions.
What do you mean by table in sql?
Differentiate between sga and pga.
What will you get by the cursor attribute sql%found?
Does indexing improve query performance?
Is primary key an index?
Explain normalization and what are the advantages of it?
Explain lock escalation? : Transact sql