SQL SUBSTRING
In order to get a part of a string we can use SQL SUBSTRING function. There are two variants of SQL SUBSTRING function as follow:
SUBSTRING(str,pos)
SUBSTRING(str,pos,len)
The first function returns a substring from the base string str starting at position pos. The second function returns a substring from the base string str starting at position pos and continuing characters in length len, consider bellow examples:
SELECT SUBSTRING('substring function',10)
AS SUB_STRING
SUB_STRING
----------
function
SELECT SUBSTRING('substring function',10,5)
AS SUB_STRING
SUB_STRING
----------
func
SQL SQL SUBSTRING function is available in almost SQL database server such as Microsoft SQL server, MySQL, Sybase ASE and in Oracle it is implemented as SUBSTR function.
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