摘要： SELECT '@'+c.name + ' ' + CASE c.system_type_id WHEN 167 THEN 'VARCHAR('+CAST(c.max_length AS VARCHAR(5))+')' WHEN 106 THEN 'DECIMAL('+CAST(c.precision AS VARCHAR(5))+','+CAST(c.scale AS VARCHAR(5))+')' WHEN 108 THEN 'DECIMAL('+CAST(c.p 阅读全文