DATALENGTH(): returns the number of bytes used to manage a value : DATALENGTH « String Functions « SQL Server / T-SQL

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SQL Server / T-SQL » String Functions » DATALENGTH   DATALENGTH(): returns the number of bytes used to manage a value 1> -- DATALENGTH(): returns the number of bytes used to manage a value. 2> 3> DECLARE @Value VarChar(20) 4> SET @Value = 'abc' 5> 6> SELECT LEN(@Value) 7> GO -----------           3 (1 rows affected) 1>                     Related examples in the same category 1.  DATALENGTH(@Value) 2.  DATALENGTH() for for Unicode character set

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