Generic Select Stored Procedure

Question

I want to create a stored procedure based following way:

ALTER PROCEDURE spGetLastId
(
@table_name varchar(100)
)
AS
BEGIN
    DECLARE @DBSql varchar(2000)
    SET @DBSql = 'SELECT MAX(id) as ''LastId'' FROM ' + @table_name
    EXEC sp_executesql @DBSql
END 

This procedure will have to display the last id of any table that I pass as parameter.

Thanks and Regards,

Answer 1

Change @DBSql from varchar to nvarchar and that will work, alternatively look at the built-in IDENT_CURRENT().