COL_LENGTH
Returns the defined length (in bytes) of a column.
Syntax
COL_LENGTH ( 'table' , 'column' )
Arguments
'table'
Is the name of the table for which to determine column length information. table is an expression of type nvarchar.
'column'
Is the name of the column for which to determine length. column is an expression of type nvarchar.
Return Types
int
Examples
This example shows the return values for a column of type varchar(40) and a column of type nvarchar(40).
USE pubs
GO
CREATE TABLE t1
(c1 varchar(40),
c2 nvarchar(40)
)
GO
SELECT COL_LENGTH('t1','c1')AS 'VarChar',
COL_LENGTH('t1','c2')AS 'NVarChar'
GO
DROP TABLE t1
Here is the result set.
VarChar NVarChar
40 80