Why primary key is required?
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write a query find which rows of a table is updated on 2 days before?
what is a composite key ? : Sql dba
What is a self join ?
List different type of expressions with the example.
What are the advantages of pl sql over sql?
Difference between table function and pipelined function?
what is meant by tuning and tk proof?
what is 'mysqlshow'? : Sql dba
i don't want the message as 14 rows updated just it should update what it will do
What are sql indexes?
Easy way to convert tableau "IF - ELSEIF" statements to Netezza "CASE" statements.
Why is a trigger used?