我正在做一些侦察工作,并且必须在几百个SQL Server数据库表中挖掘以查找列。
有没有一种方法可以轻松地搜索数据库中的列,并只返回该列所属的表名?
我找到了this,但它也会返回包含该列名的存储过程……
发布于 2010-09-21 23:10:45
SELECT OBJECT_NAME(object_id) FROM sys.columns WHERE name = 'foo'
这包括视图,但可以进一步过滤。不过,这可能是有用的。
更一般地说...
SELECT TABLE_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE COLUMN_NAME = 'foo'
发布于 2010-09-21 23:30:05
来获取
1)列全名
2)对象名称(含schema)
3)对象类型(表/视图)
4)数据类型(nice格式: varchar(6)或numeric(5,2)等)
5) null /非null
6)身份信息、检查约束信息、默认信息
试试这个:
DECLARE @Search varchar(200)
SET @Search='YourColumnName' --can be a partial or a complete name
SELECT
s.name as ColumnName
,sh.name+'.'+o.name AS ObjectName
,o.type_desc AS ObjectType
,CASE
WHEN t.name IN ('char','varchar') THEN t.name+'('+CASE WHEN s.max_length<0 then 'MAX' ELSE CONVERT(varchar(10),s.max_length) END+')'
WHEN t.name IN ('nvarchar','nchar') THEN t.name+'('+CASE WHEN s.max_length<0 then 'MAX' ELSE CONVERT(varchar(10),s.max_length/2) END+')'
WHEN t.name IN ('numeric') THEN t.name+'('+CONVERT(varchar(10),s.precision)+','+CONVERT(varchar(10),s.scale)+')'
ELSE t.name
END AS DataType
,CASE
WHEN s.is_nullable=1 THEN 'NULL'
ELSE 'NOT NULL'
END AS Nullable
,CASE
WHEN ic.column_id IS NULL THEN ''
ELSE ' identity('+ISNULL(CONVERT(varchar(10),ic.seed_value),'')+','+ISNULL(CONVERT(varchar(10),ic.increment_value),'')+')='+ISNULL(CONVERT(varchar(10),ic.last_value),'null')
END
+CASE
WHEN sc.column_id IS NULL THEN ''
ELSE ' computed('+ISNULL(sc.definition,'')+')'
END
+CASE
WHEN cc.object_id IS NULL THEN ''
ELSE ' check('+ISNULL(cc.definition,'')+')'
END
AS MiscInfo
FROM sys.columns s
INNER JOIN sys.types t ON s.system_type_id=t.system_type_id and t.is_user_defined=0
INNER JOIN sys.objects o ON s.object_id=o.object_id
INNER JOIN sys.schemas sh on o.schema_id=sh.schema_id
LEFT OUTER JOIN sys.identity_columns ic ON s.object_id=ic.object_id AND s.column_id=ic.column_id
LEFT OUTER JOIN sys.computed_columns sc ON s.object_id=sc.object_id AND s.column_id=sc.column_id
LEFT OUTER JOIN sys.check_constraints cc ON s.object_id=cc.parent_object_id AND s.column_id=cc.parent_column_id
WHERE s.name LIKE '%'+@Search+'%'
发布于 2010-09-21 23:12:04
select c.name as ColumnName, o.name as TableName
from sys.columns c
inner join sys.objects o on c.object_id = o.object_id
where c.name = 'MyColumnName'
https://stackoverflow.com/questions/3761673
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