Sql Server 导出数据库表结构的SQL查询语句

Posted 2021-01-24 蓝色饮料

 1 --导出数据库所有表
 2 
 3 SELECT
 4      表名       = Case When A.colorder=1 Then D.name Else ‘‘ End,
 5      表说明     = Case When A.colorder=1 Then isnull(F.value,‘‘) Else ‘‘ End,
 6      字段序号   = A.colorder,
 7      字段名     = A.name,
 8      字段说明   = isnull(G.[value],‘‘),
 9      标识       = Case When COLUMNPROPERTY( A.id,A.name,‘IsIdentity‘)=1 Then ‘√‘Else ‘‘ End,
10      主键       = Case When exists(SELECT 1 FROM sysobjects Where xtype=‘PK‘ and parent_obj=A.id and name in (
11                       SELECT name FROM sysindexes WHERE indid in( SELECT indid FROM sysindexkeys WHERE id = A.id AND colid=A.colid))) then ‘√‘ else ‘‘ end,
12      类型       = B.name,
13      占用字节数 = A.Length,
14      长度       = COLUMNPROPERTY(A.id,A.name,‘PRECISION‘),
15      小数位数   = isnull(COLUMNPROPERTY(A.id,A.name,‘Scale‘),0),
16      允许空     = Case When A.isnullable=1 Then ‘√‘Else ‘‘ End,
17      默认值     = isnull(E.Text,‘‘)
18  FROM
19      syscolumns A
20  Left Join
21      systypes B
22  On
23      A.xusertype=B.xusertype
24  Inner Join
25      sysobjects D
26  On
27      A.id=D.id  and D.xtype=‘U‘ and  D.name<>‘dtproperties‘
28  Left Join
29      syscomments E
30  on
31      A.cdefault=E.id
32  Left Join
33  sys.extended_properties  G
34  on
35      A.id=G.major_id and A.colid=G.minor_id
36  Left Join
37  
38  sys.extended_properties F
39  On
40      D.id=F.major_id and F.minor_id=0
41      --where d.name=‘OrderInfo‘    --如果只查询指定表,加上此条件
42  Order By
43      A.id,A.colorder