--获取SqlServer中表结构 SELECT syscolumns.name,systypes.name,syscolumns.isnullable, syscolumns.length FROM syscolumns, systypes WHERE syscolumns.xusertype = systypes.xusertype AND syscolumns.id = object_id('你的表名')

--获取SqlServer中表结构 主键，及描述 declare @table_name as varchar(max) set @table_name = '你的表名' select sys.columns.name, sys.types.name, sys.columns.max_length, sys.columns.is_nullable,   (select count(*) from sys.identity_columns where sys.identity_columns.object_id = sys.columns.object_id and sys.columns.column_id = sys.identity_columns.column_id) as is_identity ,   (select value from sys.extended_properties where sys.extended_properties.major_id = sys.columns.object_id and sys.extended_properties.minor_id = sys.columns.column_id) as description   from sys.columns, sys.tables, sys.types where sys.columns.object_id = sys.tables.object_id and sys.columns.system_type_id=sys.types.system_type_id and sys.tables.name=@table_name order by sys.columns.column_id

--单独查询表递增字段 select [name] from syscolumns where id=object_id(N'你的表名') and COLUMNPROPERTY(id,name,'IsIdentity')=1

--获取表主外键约束 exec sp_helpconstraint   '你的表名' ;