What is an index and types of indexes. How many number of indexes can be used per table ?

12 Answers   Accenture, BirlaSoft, Cognizant, CTS, Symphony,

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if table named a is there and 4 records are there then how to swap (1 and 3) and (2 and 4) records at a time

1 Answers  

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How many null values can be inserted in a coulmn whihc is unique constraint

8 Answers   Flextronics,

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Does SQL*Plus contains pl/sql Engine?

1 Answers   TCS,

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what are different types of collation sensitivity? : Sql dba

0 Answers  

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What is the difference between drop and truncate commands?

0 Answers  

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Easy way to convert tableau "IF - ELSEIF" statements to Netezza "CASE" statements.

1 Answers   CTS,

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What is a temporal table?

0 Answers  

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Which join is like inner join?

0 Answers  

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what is cursor. write example of it. What are the attributes of cursor.

0 Answers  

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Can you selectively load only those records that you need? : aql loader

0 Answers  

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how will i became good database developer?

1 Answers  

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