是否可以查询包含以下列的表名
LIKE '%myName%'
?
是否可以查询包含以下列的表名
LIKE '%myName%'
?
当前回答
这是你问题的答案
SELECT c.name AS ColumnName, t.name AS TableName
FROM sys.columns c
JOIN sys.tables t ON c.object_id = t.object_id
WHERE c.name LIKE '%myName%';
其他回答
这应该是有效的:
SELECT name
FROM sysobjects
WHERE id IN ( SELECT id
FROM syscolumns
WHERE name like '%column_name%' )
如果只需要表名,可以运行:
select object_name(object_id) from sys.columns
where name like '%received_at%'
如果你也想要Schema Name(在很多情况下你会这样做,因为你会有很多不同的模式,除非你能记住数据库中的每个表及其所属的位置,否则这可能很有用),运行:
select OBJECT_SCHEMA_NAME(object_id),object_name(object_id) from sys.columns
where name like '%received_at%'
最后,如果你想要一个更好的格式(尽管这是代码(在我看来)变得太复杂而不容易编写的地方):
select concat(OBJECT_SCHEMA_NAME(object_id),'.',object_name(object_id)) from sys.columns
where name like '%received_at%'
注意,您还可以根据我的功能创建一个函数:
CREATE PROCEDURE usp_tablecheck
--Scan through all tables to identify all tables with columns that have the provided string
--Stephen B
@name nvarchar(200)
AS
SELECT CONCAT(OBJECT_SCHEMA_NAME(object_id),'.',object_name(object_id)) AS [Table Name], name AS [Column] FROM sys.columns
WHERE name LIKE CONCAT('%',@name,'%')
ORDER BY [Table Name] ASC, [Column] ASC
GO
值得注意的是,凹入功能是在2012年添加的。对于2008r2和更早版本,使用+连接字符串。
自从我发布这个之后,我已经重新格式化了进程。它现在有点高级了,但看起来更乱了(但它在一个proc中,所以你永远不会看到它),而且格式更好。
此版本允许您将其保存在管理数据库中,然后在任何数据库中进行搜索。将@db的分隔符从“master”更改为您希望的默认数据库(注意:除非将字符串连接更改为使用+运算符,否则使用CONCAT()函数只能用于2012+)。
CREATE PROCEDURE [dbo].[usp_tablecheck]
--Scan through all tables to identify all tables in the specified database with columns that have the provided string
--Stephen B
@name nvarchar(200)
,@db nvarchar(200) = 'master'
AS
DECLARE @sql nvarchar(4000) = CONCAT('
SELECT concat(OBJECT_SCHEMA_NAME(col.object_id,DB_ID(''',@db,''')),''.'',object_name(col.object_id,DB_ID(''',@db,'''))) AS [Table Name]
,col.name AS [Column]
FROM ',@db,'.sys.columns col
LEFT JOIN ',@db,'.sys.objects ob
ON ob.object_id = col.object_id
WHERE
col.name LIKE CONCAT(''%'',''',@name,''',''%'')
AND ob.type =''U''
ORDER BY [Table Name] ASC
,[Column] ASC')
EXECUTE (@sql)
GO
Create table #yourcolumndetails(
DBaseName varchar(100),
TableSchema varchar(50),
TableName varchar(100),
ColumnName varchar(100),
DataType varchar(100),
CharMaxLength varchar(100))
EXEC sp_MSForEachDB @command1='USE [?];
INSERT INTO #yourcolumndetails SELECT
Table_Catalog
,Table_Schema
,Table_Name
,Column_Name
,Data_Type
,Character_Maximum_Length
FROM INFORMATION_SCHEMA.COLUMNS
WHERE COLUMN_NAME like ''origin'''
select * from #yourcolumndetails
Drop table #yourcolumndetails
此外,还可以找到具有指定模式的列名。
SELECT 'DBName' AS DBName,
column_name,
table_name,
table_schema
FROM dbname.information_schema.columns
WHERE column_name LIKE '%YourColumnName%'
AND table_schema IN ( 'YourSchemaName' )
您还可以在多个数据库中找到同一列。
SELECT 'DBName1' AS DB,
column_name,
table_name,
table_schema
FROM dbname1.information_schema.columns
WHERE column_name LIKE '%YourColumnName%'
UNION
SELECT 'DBName2' AS DB,
column_name,
table_name,
table_schema
FROM dbname2.information_schema.columns
WHERE column_name LIKE '%YourColumnName%'
您可以通过column_name过滤器从INFORMATION_SCHEMA.COLUMNS中找到它
Select DISTINCT TABLE_NAME as TableName,COLUMN_NAME as ColumnName
From INFORMATION_SCHEMA.COLUMNS Where column_name like '%myname%'