What is the difference among union, minus and intersect?
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what are the methods using performance tunning in sql and pl/sql
I have following column in the table. col1 1 a b c 2 3 d and I want to display it as num chars 1 a 2 b 3 c 4 d numbers in one column and letters in another column.
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1> how are u debugging in plsql ? 2> how to connect oracle database from unix. is there ne way other than using sqlplus ?
What are the packages in pl sql?
How do you break a loop in pl sql?
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what is the difference between a local and a global temporary table? : Sql dba
why should required for Indexed by table in pl/sql
what is the difference between union and union all? : Sql dba
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