摘要:
//预编译演示//1,创建mysqli对象$mysqli=new mysqli("localhost","root","","test");//2,创建预编译对象$sql="insert into user1 (name,password,email,age)values(?,?,?,?)";... 阅读全文
posted @ 2015-10-08 19:10
岁月无心
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摘要:
事务用于保证数据的一致性,它由一组相关的DML语句组成,该组的DML语句要么全部成功,要么全部失败。示例: 银行账单$mysqli=new mysqli("localhost","root","","test");if($mysqli->connect_error){die($mysqli->... 阅读全文
posted @ 2015-10-08 16:15
岁月无心
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