Why do we use sql constraints?
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What is trigger explain with example?
Differentiate between % rowtype and type record.
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 ?
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Explian rowid, rownum? What are the psoducolumns we have?
List the various privileges that a user can grant to another user?
Where are my tempfiles, I don't see them in v$datafile or dba_data_file?
What is trigger and how to use it in sql?
What is the meaning of disabling a trigger?
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When we give SELECT * FROM EMP; How does oracle respond?
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