This script displays all your table names&#151along with their column names, data types, data lengths, and null/not null information in a database.

SELECT Sysobjects.name AS TABLE_NAME, syscolumns.Id, syscolumns.name AS COLUMN_NAME,systypes.name AS DATA_TYPE, syscolumns.length as CHARACTER_MAXIMUM_LENGTH, sysproperties.[value] AS COLUMN_DESCRIPTION,  syscomments.text asCOLUMN_DEFAULT,syscolumns.isnullable as IS_NULLABLE FROM syscolumnsINNER JOIN systypes    ON syscolumns.xtype = systypes.xtype     LEFT JOIN sysobjects ON syscolumns.id = sysobjects.id    LEFT OUTER JOIN sysproperties ON    ( sysproperties.smallid = syscolumns.colid     AND sysproperties.id = syscolumns.id)    LEFT OUTER JOIN syscomments ON syscolumns.cdefault = syscomments.id    WHERE syscolumns.id IN      (SELECT id FROM SYSOBJECTS WHERE xtype = 'U') AND (systypes.name <> 'sysname')    ORDER BY syscolumns.colid