文件名称:数据修改示例-数据库原理及设计
文件大小:256KB
文件格式:PPT
更新时间:2024-05-15 15:59:45
数据库
数据修改示例 UPDATE publishers SET city = 'Atlanta', state = 'GA' 示例1:简单的更新 UPDATE titles SET price = price * 2 示例2:带WHERE子句的更新 UPDATE authors SET state = 'PC', city = 'Bay City' WHERE state = 'CA' AND city = 'Oakland'