what are different types of keys in sql?

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Is sql a scripting language?

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1. what is the exact use of hint in sql. 2. How we can avoid index scan in sql even though index is there in the table.

1 Answers   Polaris,

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How does a self join work?

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Describe types of sql statements?

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what are the 'mysql' command line arguments? : Sql dba

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how to eliminate null values in a column i.e table vlaues 1 2 3 NULL 3 4 1 5 NULL i want output like this 1 2 3 3 4 1 5 i dnt want to use nvl is null and i dnt want replace the NULL value with any value i.e nvl(col,o);

11 Answers   Satyam,

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How many columns should be in an index?

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what is transaction? : Sql dba

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what is sub-query? : Transact sql

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Is time a data type in sql?

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package specification-3 procedures package body-2 procedures will is execute

2 Answers   PWC,

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