This script displays all your table names—along 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