Tuesday, 5 May 2015

Like Clause In Sql



The SQL LIKE clause is used to compare a value to similar values using wildcard operators. There are two wildcards used in combination with the LIKE 

operator:
The percent sign (%)

The underscore (_)


The percent sign represents zero, one, or multiple characters. The underscore represents a single number or character. The symbols can be used in 


combinations.


Syntax:

The basic syntax of % and _ is as follows:
Example:-


SELECT FROM table_name

WHERE column LIKE 'XXXX%'

or 


SELECT FROM table_name

WHERE column LIKE '%XXXX%'

or


SELECT FROM table_name

WHERE column LIKE 'XXXX_'

or


SELECT FROM table_name

WHERE column LIKE '_XXXX'

or


SELECT FROM table_name

WHERE column LIKE '_XXXX_'
You can combine N number of conditions using AND or OR operators. Here,
 XXXX could be any numeric or string value.

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