我正在尝试为数据库中的表生成数据字典。
理想情况下,我想导出列名,数据类型,限制和扩展属性描述。
如何实现这一目标?
答案 0 :(得分:6)
您可以尝试此查询:
SELECT
IC.COLUMN_NAME,
IC.Data_TYPE,
EP.[Value] as [MS_Description],
IKU.CONSTRAINT_NAME,
ITC.CONSTRAINT_TYPE,
IC.IS_NULLABLE
FROM
INFORMATION_SCHEMA.COLUMNS IC
INNER JOIN sys.columns sc ON OBJECT_ID(QUOTENAME(IC.TABLE_SCHEMA) + '.' + QUOTENAME(IC.TABLE_NAME)) = sc.[object_id] AND IC.COLUMN_NAME = sc.name
LEFT OUTER JOIN sys.extended_properties EP ON sc.[object_id] = EP.major_id AND sc.[column_id] = EP.minor_id AND EP.name = 'MS_Description' AND EP.class = 1
LEFT OUTER JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE IKU ON IKU.COLUMN_NAME = IC.COLUMN_NAME and IKU.TABLE_NAME = IC.TABLE_NAME and IKU.TABLE_CATALOG = IC.TABLE_CATALOG
LEFT OUTER JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS ITC ON ITC.TABLE_NAME = IKU.TABLE_NAME and ITC.CONSTRAINT_NAME = IKU.CONSTRAINT_NAME
WHERE IC.TABLE_CATALOG = 'Database'
and IC.TABLE_SCHEMA = 'dbo'
and IC.TABLE_NAME = 'Table'
order by IC.ORDINAL_POSITION
或架构文档生成器,如Dataedo (我是其产品经理)。
答案 1 :(得分:5)
您可以通过SELECT * FROM INFORMATION_SCHEMA.COLUMNS
和使用fn_listextendedproperty
的组合来实现此目标。
答案 2 :(得分:0)
要生成SQL Server数据库的数据字典,建议您使用ERBuilder data modeller,只需执行以下步骤: