我需要查询数据库以获得列名,不要与表中的数据混淆。例如,如果我有一个名为EVENT_LOG的表,其中包含eventID、eventType、eventDesc和eventTime,那么我将希望从查询中检索这些字段名,而不是其他内容。

我发现如何做到这一点:

Microsoft SQL Server MySQL PostgreSQL

但是我需要知道:如何在Oracle中做到这一点?


当前回答

对于SQL Server:

SELECT [name] AS [Column Name]
FROM syscolumns
WHERE id = object_id('TABLE_NAME')

其他回答

你可以这样做:

describe EVENT_LOG

or

desc EVENT_LOG

注意:只适用于你知道表名,特别是Oracle。

select column_name,* from information_schema.columns
 where table_name = 'YourTableName'
order by ordinal_position

对于MySQL,使用

SELECT column_name 
FROM information_schema.columns 
WHERE 
table_schema = 'Schema' AND table_name = 'Table_Name'

您可以运行此查询

SELECT t.name AS table_name,
SCHEMA_NAME(schema_id) AS schema_name,
c.name AS column_name
FROM sys.tables AS t
INNER JOIN sys.columns c ON t.OBJECT_ID = c.OBJECT_ID
WHERE c.name LIKE '%%' --if you want to find specific column write here 
ORDER BY schema_name, table_name;

试试这个

select * from sys.all_columns c join sys.objects o on c.object_id=o.object_id where o.name = 'TABLENAME' and c.name like '%COLUMN NAME%'