巧用三个SQL视图查出所有的数据库字典_MySQL

本文中的SQL代码可以在企业管理器、查询分析器中简单执行，直接了当的查出SQL Server 2000及SQL Server 2005的所有数据字典。（注释：数据库字典包括表结构(分SQL Server 2000和SQL Server 2005)、索引和主键.外键.约束.视图.函数.存储过程.触发器。）

SQL Server 2000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 1FROM dbo.sysindexes si INNER JOINdbo.sysindexkeys sik ON si.id = sik.id AND si.indid = sik.indid INNER JOINdbo.syscolumns sc ON sc.id = sik.id AND sc.colid = sik.colid INNER JOINdbo.sysobjects so ON so.name = si.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 a LEFT OUTER JOINdbo.systypes b ON a.xtype = b.xusertype INNER JOINdbo.sysobjects d ON a.id = d.id AND d.xtype = 'U' AND d.status >= 0 LEFT OUTER JOINdbo.syscomments e ON a.cdefault = e.id LEFT OUTER JOINdbo.sysproperties g ON a.id = g.id AND a.colid = g.smallid AND g.name = 'MS_Description' LEFT OUTER JOINdbo.sysproperties f ON d.id = f.id AND f.smallid = 0 AND f.name = 'MS_Description'ORDER BY d.name, a.colorder

SQL Server 2005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 1FROM dbo.sysindexes si INNER JOINdbo.sysindexkeys sik ON si.id = sik.id AND si.indid = sik.indid INNER JOINdbo.syscolumns sc ON sc.id = sik.id AND sc.colid = sik.colid INNER JOINdbo.sysobjects so ON so.name = si.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 a LEFT OUTER JOINdbo.systypes b ON a.xtype = b.xusertype INNER JOINdbo.sysobjects d ON a.id = d.id AND d.xtype = 'U' AND d.status >= 0 LEFT OUTER JOINdbo.syscomments e ON a.cdefault = e.id LEFT OUTER JOINdbo.sysproperties g ON a.id = g.id AND a.colid = g.smallid AND g.name = 'MS_Description' LEFT OUTER JOINdbo.sysproperties f ON d.id = f.id AND f.smallid = 0 AND f.name = 'MS_Description'ORDER BY d.name, a.colorder

SQL Server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 JOINdbo.sysindexkeys b ON a.id = b.id AND a.indid = b.indid INNER JOINdbo.syscolumns d ON b.id = d.id AND b.colid = d.colid INNER JOINdbo.sysobjects c ON a.id = c.id AND c.xtype = 'U' LEFT OUTER JOINdbo.sysobjects e ON e.name = a.name AND e.xtype = 'UQ' LEFT OUTER JOINdbo.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

SQL Server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 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