1.查询数据库中的所有数据库名: SELECT Name FROM Master..SysDatabases ORDER BY Name2.查询某个数据库中所有的表名: SELECT Name FROM SysObjects Where XType='U'ORDER BY Name3.查询表结构信息: SELECT (casewhen a.colorder=1then d.nameelsenullend) 表名, a.colorder 字段序号,a.name 字段名, (...