dbms 별 특징

 

• Oracle: SELECT 'Hello, World!' FROM DUAL;
• SQL Server: DECLARE @msg NVARCHAR(50) = 'Hello, World!'; SELECT @msg;
  ( FROM sysobjects; 사용 가능)
• MySQL: SELECT 'Hello, World!';
• PostgreSQL: SELECT 'Hello, World!';
• SQLite: SELECT 'Hello, World!';
• IBM DB2: SELECT 'Hello, World!' FROM sysibm.sysdummy1;