SQL Server 2008 R2：纯SQL查看数据库描述文档

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描述：纯SQL查看数据库描述文档

作者：jehn

联系：jehn@foxmail.com

时间：2011-12-07 14:33:30

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SELECT

(case when a.colorder=1 then

(

select CAST(表序号 as nvarchar) from

(SELECT d.name,

row_number() over(order by d.name) 表序号

FROM syscolumns a join sysobjects d on a.id=d.id and d.xtype='U' and d.name<>'dtproperties'

where a.colorder=1) as tmp where name=d.name

)

else '' end) 表序号,

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

(case when a.colorder=1 then

(

select value from sys.extended_properties where minor_id=0 and major_id= OBJECT_ID(d.name)

) else '' end) 表描述,

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,

COLUMNPROPERTY(a.id,a.name,'Scale') 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

FROM syscolumns a

left join systypes b on a.xtype=b.xusertype

inner join sysobjects d on a.id=d.id and d.xtype='U' and d.name<>'dtproperties'

left join syscomments e on a.cdefault=e.id

left join sys.extended_properties g on a.id=g.major_id AND a.colid = g.minor_id --where d.name='T_SickRoom'

order by d.name,a.colorder

------where d.name='T_SickRoom' 也可以指定单张表