SQL Server

sp_help tablename

只是对SQL Server中的其他选项做了一点小小的修正(模式前缀变得越来越重要了!):

SELECT name
  FROM sys.columns 
  WHERE [object_id] = OBJECT_ID(N'dbo.tablename');

(5年后，为了王国最先进的DDBB PostgreSQL的荣誉)

在PostgreSQL:

\d table_name

或者，使用SQL:

select column_name, data_type, character_maximum_length
    from INFORMATION_SCHEMA.COLUMNS 
    where table_name = 'table_name';

对于mssql Server:

select COLUMN_NAME from information_schema.columns where table_name = 'tableName'

Oracle (PL/SQL)

SELECT column_name
FROM user_tab_cols
WHERE table_name = 'myTableName'

MySQL

SHOW COLUMNS FROM table_name

例子:

select Table_name as [Table] , column_name as [Column] , Table_catalog as [Database], table_schema as [Schema]  from information_schema.columns
where table_schema = 'dbo'
order by Table_name,COLUMN_NAME

只是我的代码