数据字典相关常用查询

柔光的暖阳◎ 2022-08-08 06:37 190阅读 0赞

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, a.name,  
'PRECISION') AS 精度, ISNULL(COLUMNPROPERTY(a.id, a.name, '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, a.name, 'IsClustered')  
WHEN 1 THEN '√' WHEN 0 THEN '' END AS 聚集, CASE INDEXPROPERTY(c.id,  
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, a.name, 'IsAutoStatistics') = 0)  
ORDER BY c.name, a.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.sql  
SELECT 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 JOIN  
dbo.syscomments c ON o.id = c.id  
WHERE (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