对select, show, describe, explian 等语句,如果成功,返回类型为resource的值,如果失败,返回布尔型的FALSE
对update, delete, drop,insert等语句,成功返回TRUE,失败返回FALSE
时间:2020-03-18 01:00:58
对select, show, describe, explian 等语句,如果成功,返回类型为resource的值,如果失败,返回布尔型的FALSE
对update, delete, drop,insert等语句,成功返回TRUE,失败返回FALSE