INSERT-插入数据
拿student表举例,先来回顾一下student的表结构定义语句:
CREATE TABLE `student` (
`student_id` INT(11) NOT NULL AUTO_INCREMENT COMMENT '学生编号',
`student_name` VARCHAR(20) NOT NULL COMMENT '学生姓名',
`address` VARCHAR(100) NULL COMMENT '家庭住址',
PRIMARY KEY(`student_id`)
) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4 COMMENT='学生表';
表结构有了,我们在插入数据之前,还是要先了解一下INSERT语句的语法。如下所示是MySQL官档中提供的INSERT语法:
INSERT [LOW_PRIORITY | DELAYED | HIGH_PRIORITY] [IGNORE]
[INTO] tbl_name
[PARTITION (partition_name [, partition_name] ...)]
[(col_name [, col_name] ...)]
{VALUES | VALUE} (value_list) [, (value_list)] ...
[ON DUPLICATE KEY UPDATE assignment_list]
INSERT [LOW_PRIORITY | DELAYED | HIGH_PRIORITY] [IGNORE]
[INTO] tbl_name
[PARTITION (partition_name [, partition_name] ...)]
SET assignment_list