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数据字典相关常用查询
--1.SqlServer2005数据库字典--表结构.sql
SELECT TOP (100) PERCENT --a.id,
(CASE WHEN a.colorder = 1 THEN d .name ELSE '' END) AS 表名,(CASE WHEN a.colorder = 1 THEN isnull(f.value,'')
ELSE '' END) AS 表说明,a.colorder AS 字段序号,a.name AS 字段名,CASE WHEN COLUMNPROPERTY(a.id,a.name,'IsIdentity')
= 1 THEN '√' ELSE '' END AS 标识,CASE WHEN EXISTS
(SELECT 1 FROM dbo.sysindexes si INNER JOIN dbo.sysindexkeys sik ON si.id = sik.id AND si.indid = sik.indid INNER JOIN
dbo.syscolumns sc ON sc.id = sik.id AND sc.colid = sik.colid INNER JOIN
dbo.sysobjects so ON so.name = so.name AND so.xtype = 'PK'
WHERE sc.id = a.id AND sc.colid = a.colid) THEN '√' ELSE '' END AS 主键,b.name AS 类型,a.length AS 长度,COLUMNPROPERTY(a.id,
'PRECISION') AS 精度,ISNULL(COLUMNPROPERTY(a.id,'Scale'),0) AS 小数位数,
CASE WHEN a.isnullable = 1 THEN '√' ELSE '' END AS 允许空,ISNULL(e.text,'') AS 默认值,ISNULL(g.value,'') AS 字段说明,d.crdate AS 创建时间,
CASE WHEN a.colorder = 1 THEN d .refdate ELSE NULL END AS 更改时间
FROM dbo.syscolumns AS a LEFT OUTER JOIN
dbo.systypes AS b ON a.xtype = b.xusertype INNER JOIN
dbo.sysobjects AS d ON a.id = d.id AND d.xtype = 'U' AND d.status >= 0 LEFT OUTER JOIN
dbo.syscomments AS e ON a.cdefault = e.id LEFT OUTER JOIN
sys.extended_properties AS g ON a.id = g.major_id AND a.colid = g.minor_id LEFT OUTER JOIN
sys.extended_properties AS f ON d.id = f.major_id AND f.minor_id = 0
ORDER BY d.name,字段序号
--2. SqlServer数据库字典--索引.sql
SELECT TOP 100 PERCENT --a.id,
CASE WHEN b.keyno = 1 THEN c.name ELSE '' END AS 表名,
CASE WHEN b.keyno = 1 THEN a.name ELSE '' END AS 索引名称,d.name AS 列名,
b.keyno AS 索引顺序,CASE indexkey_property(c.id,b.indid,b.keyno,'isdescending')
WHEN 1 THEN '降序' WHEN 0 THEN '升序' END AS 排序,CASE WHEN p.id IS NULL
THEN '' ELSE '√' END AS 主键,CASE INDEXPROPERTY(c.id,'IsClustered')
WHEN 1 THEN '√' WHEN 0 THEN '' END AS 聚集,
a.name,'IsUnique') WHEN 1 THEN '√' WHEN 0 THEN '' END AS 唯一,
CASE WHEN e.id IS NULL THEN '' ELSE '√' END AS 唯一约束,
a.OrigFillFactor AS 填充因子,c.crdate AS 创建时间,c.refdate AS 更改时间
FROM dbo.sysindexes a INNER JOIN
dbo.sysindexkeys b ON a.id = b.id AND a.indid = b.indid INNER JOIN
dbo.syscolumns d ON b.id = d.id AND b.colid = d.colid INNER JOIN
dbo.sysobjects c ON a.id = c.id AND c.xtype = 'U' LEFT OUTER JOIN
dbo.sysobjects e ON e.name = a.name AND e.xtype = 'UQ' LEFT OUTER JOIN
dbo.sysobjects p ON p.name = a.name AND p.xtype = 'PK'
WHERE (OBJECTPROPERTY(a.id,N'IsUserTable') = 1) AND (OBJECTPROPERTY(a.id,
N'IsMSShipped') = 0) AND (INDEXPROPERTY(a.id,'IsAutoStatistics') = 0)
ORDER BY c.name,b.keyno
--3. SqlServer数据库字典--主键.外键.约束.视图.函数.存储过程.触发器.sqlSELECT DISTINCT TOP 100 PERCENT o.xtype,CASE o.xtype WHEN 'X' THEN '扩展存储过程' WHEN 'TR' THEN '触发器' WHEN 'PK' THEN'主键' WHEN 'F' THEN '外键' WHEN 'C' THEN '约束' WHEN 'V' THEN '视图' WHEN 'FN'THEN '函数-标量' WHEN 'IF' THEN '函数-内嵌' WHEN 'TF' THEN '函数-表值' ELSE '存储过程'END AS 类型,o.name AS 对象名,o.crdate AS 创建时间,o.refdate AS 更改时间,c.text AS 声明语句FROM dbo.sysobjects o LEFT OUTER JOINdbo.syscomments c ON o.id = c.idWHERE (o.xtype IN ('X','TR','C','V','F','IF','TF','FN','P','PK')) AND (OBJECTPROPERTY(o.id,N'IsMSShipped') = 0)ORDER BY CASE o.xtype WHEN 'X' THEN '扩展存储过程' WHEN 'TR' THEN '触发器' WHEN'PK' THEN '主键' WHEN 'F' THEN '外键' WHEN 'C' THEN '约束' WHEN 'V' THEN '视图'WHEN 'FN' THEN '函数-标量' WHEN 'IF' THEN '函数-内嵌' WHEN 'TF' THEN '函数-表值'ELSE '存储过程' END DESC
（编辑：李大同）
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