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MSSQL sql脚本生成数据字典(表结构文档)的方法

时间:2020/8/28 10:17:00 【admin】

MSSQL sql脚本生成数据字典(表结构文档)的方法…

select 

    [表名称]=c.Name,

    [表说明内容]=isnull(f.[value],''),

    [列名称]=a.Name,

    [列顺序号]=a.Column_id,

    [是否标识别]=case when is_identity=1 then '是' else '' end,

    [是否主鍵]=case when exists(select 1 from sys.objects x join sys.indexes y on x.Type=N'PK' and x.Name=y.Name 

                        join sysindexkeys z on z.ID=a.Object_id and x.parent_object_id = z.id and z.indid=y.index_id and z.Colid=a.Column_id)

                    then '是' else '' end,

    [列类型]=b.Name,

    [列长度]=case when ColumnProperty(a.object_id,a.Name,'Precision')=-1 then '2^31-1'

                else rtrim(ColumnProperty(a.object_id,a.Name,'Precision')) end,

    [列精度]=isnull(ColumnProperty(a.object_id,a.Name,'Scale'),0),

    [可null标志]=case when a.is_nullable=1 then '√' else '' end,

    [列相关说明]=isnull(e.[value],''),

    [列默认值]=isnull(d.text,'')    

from 

    sys.columns a(nolocK)

left join

    sys.types b(nolocK) on a.user_type_id=b.user_type_id

inner join

    sys.objects c(nolocK) on a.object_id=c.object_id and c.Type='U'

left join

    syscomments d(nolocK) on a.default_object_id=d.ID

left join

    sys.extended_properties e(nolocK) on e.major_id=c.object_id and e.minor_id=a.Column_id and e.class=1 

left join

    sys.extended_properties f(nolocK) on f.major_id=c.object_id and f.minor_id=0 and f.class=1


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