Home > Database > Mysql Tutorial > body text

获取SQL Server表字段的各种属性

WBOY
Release: 2016-06-07 17:44:44
Original
941 people have browsed it

SELECT (CASE WHEN a.colorder=1 THEN d.name ELSE '' END) N'表名', a.colorder N'字段序号', a.name N'字段名', (CASE WHEN COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 THEN ''ELSE '' END) N'标识', (CASE WHEN (SELECT COUNT(*) FROM sysobjects WHER


SELECT
 (CASE WHEN a.colorder=1 THEN d.name ELSE '' END) N'表名',
 a.colorder N'字段序号',
 a.name N'字段名',
 (CASE WHEN COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 THEN '√'ELSE '' END) N'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) N'主键',
 b.name N'类型',
 a.length N'占用字节数',
 COLUMNPROPERTY(a.id,a.name,'PRECISION') AS N'长度',
 ISNULL(COLUMNPROPERTY(a.id,a.name,'Scale'),0) AS N'小数位数',
 (CASE WHEN a.isnullable=1 THEN '√'ELSE '' END) N'允许空',
 ISNULL(e.text,'') N'默认值',
 ISNULL(g.[value],'') AS N'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 = 'SW_Project' --要查询的表
ORDER BY
 object_name(a.id), a.colorder

,香港虚拟主机,虚拟主机,香港服务器
Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn:Public welfare online PHP training,Help PHP learners grow quickly!