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我想获取给定表的默认约束信息。我写了这样的东西:获取默认约束信息
SELECT c.name ,
col.name
FROM Rem.sys.default_constraints c
INNER JOIN Rem.sys.columns col ON col.default_object_id = c.object_id
INNER JOIN Rem.sys.objects o ON o.object_id = c.parent_object_id
INNER JOIN Rem.sys.schemas s ON s.schema_id = o.schema_id
WHERE s.name = 'dbo'
AND o.name = 'Desk_Hist'
但它不会返回我的默认值。所以我尝试了一种不同的方式,查询是:
SELECT *
FROM Rem.information_schema.columns columns
WHERE columns.table_catalog = 'Rem'
AND columns.table_schema = 'dbo'
AND columns.table_name = 'Desk_Hist'
AND COLUMN_DEFAULT IS NOT NULL
但它没有返回任何内容。
任何人都可以帮助我吗?
面包车c.definition返回我空 – peter
检查权限:HTTP ://msdn.microsoft.com/en-us/library/ms191507.aspx –