一个查看MSSQL数据库中所有表信息的SQL语句

SELECT

       (case when a.colorder=1 then d.name else '' end)表名,

       a.colorder 字段序号,

       a.name 字段名,

       (case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end) 标识,

       (case when (SELECT count(*)

       FROM sysobjects

       WHERE (name in

                 (SELECT name

                FROM sysindexes

                WHERE (id = a.id) AND (indid in

                          (SELECT indid

                         FROM sysindexkeys

                         WHERE (id = a.id) AND (colid in

                                   (SELECT colid

                                  FROM syscolumns

                                  WHERE (id = a.id) AND (name = a.name))))))) AND

              (xtype = 'PK'))>0 then '√' else '' end) 主键,

       b.name 类型,

       a.length 占用字节数,

       COLUMNPROPERTY(a.id,a.name,'PRECISION') as 长度,

       isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as 小数位数,

       (case when a.isnullable=1 then '√'else '' end) 允许空,

       isnull(e.text,'') 默认值,

       isnull(g.[value],'') AS 字段说明   

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