what is the different between unique+not null & primary key,

4 Answers  

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Does sqlite need a server?

0 Answers  

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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 ?

3 Answers   Oracle,

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Why commit is not used in triggers?

0 Answers  

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Why do we use sql constraints?

0 Answers  

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Question: Below is the table city gender name delhi male a delhi female b mumbai male c mumbai female d delhi male e I want the o/p as follows: male female delhi 2 1 mumbai 1 1 Please help me in writing the query that can yield the o/p mentioned above?

2 Answers  

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What is difference between cursor and ref cursor?

1 Answers  

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What can sql server reporting services do?

0 Answers  

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Is progress software supports to ( pl/sql )?

0 Answers  

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how to insert the records in particular position

1 Answers  

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Does truncate need commit?

0 Answers  

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Can we insert data into materialized view?

0 Answers  

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