Using DATALENGTH to determine length of a string value. : DATALENGTH « System Functions « SQL Server / T-SQL Tutorial

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SQL Server / T-SQL Tutorial » System Functions » DATALENGTH

25. 7. 1. Using DATALENGTH to determine length of a string value.


6>     SELECT UPPER(SUBSTRING("this Is a tEst.",1,1)) +

7>            LOWER(SUBSTRING("this Is a tEst.",2,

8>               (DATALENGTH("this Is a tEst.")-1)))

9>

10> GO



---------------

This is a test.



(1 rows affected)

25. 7. DATALENGTH
	25. 7. 1.	Using DATALENGTH to determine length of a string value.
	25. 7. 2.	The DATALENGTH() function returns the number of bytes used to manage a value.
	25. 7. 3.	SELECT DATALENGTH(@Value2)
	25. 7. 4.	DATALENGTH Versus COL_LENGTH to determine length of a string value.

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