is it mandatory to select all the column in a view then what columns should be selected

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What is oracle sql called?

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Why is theta join required?

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What is a primary key, and how is it different from a unique key?

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Is join same as left join?

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What are local and global variables and their differences?

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I am creating an index on Emp table Empno column,if u using this indexed column in ur SELECT stmt. where clause,then how do u know that yr index will be working or nor? Thanks Advance...

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If we update a complex view, is base table will get update ?

2 Answers   Ardee Technologies, HCL,

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What is bind reference and how can it be created?

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suppose we have a table in which 200 rows. i want to find 101 row ? what the query.... and how we find 4th and 5th highest salary and 1 to 10 highest salary

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Why do we use joins?

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how to shutdown mysql server? : Sql dba

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