文件名称：约束举例-Oracle数据库Sql语句详解大全 PPT
文件大小：3.47MB
文件格式：PPT
更新时间：2024-05-15 15:58:00
详解大全
约束举例 ID LAST_NAME FIRST_NAME ... DEPT_ID ... 1 Velasquez Carmen 50 2 Ngao LaDoris 41 3 Nagayama Midori 31 4 Quick-To-See Mark 10 5 Ropeburn Audry 50 ID NAME REGION_ID 10 Finance 1 31 Sales 1 41 Operations 1 50 Administration 1 Primary Key Foreign Key S_EMP Table S_DEPT Table Primary Key