# 插入单条数据的 SQL 语句insert_single="INSERT INTO your_table (column1, column2) VALUES (%s, %s)"data_single=("value1","value2")# 要插入的数据 1. 2. 3. 插入多条数据 # 插入多条数据的 SQL 语句insert_multiple="INSERT INTO your_table (
I want to insert values into two related tables. Table one has an ID field which is pointed to in table two. So i do the following within a transaction for multiple datasets: INSERT INTO table1 (...) VALUES (...); and then
name) ); insert into t_vip(id,name,email) values(1,'zhangsan','zhangsan@123.com'); insert into t_vip(id,name,email) values(1,'lisi','lisi@123.com'); //错误:不能重复 insert into t_vip(id,name,email) values(1,'lisi','lisi@123.com'); ERROR 1062 (23000): Duplicate entry ...
(firstname, lastname, email) VALUES ('Mary', 'Moe', 'mary@example.com');"; $sql .= "INSERT INTO MyGuests (firstname, lastname, email) VALUES ('Julie', 'Dooley', 'julie@example.com')"; if ($conn->multi_query($sql) === TRUE) { echo "新记录插入成功"; } else { echo "...
MySQL中的INSERT语句用于向表中插入新的行。当你需要一次性插入多行数据时,可以使用INSERT INTO ... VALUES (...), (...), ...的语法。 优势 效率:与逐行插入相比,一次性插入多行数据可以显著提高性能,因为它减少了与数据库的通信次数。 简洁性:代码更加简洁,易于阅读和维护。 类型 MySQL支持两种主要的插入...
$sql .="INSERT INTO MyGuests (firstname, lastname, email) VALUES ('Julie', 'Dooley', 'julie@example.com')"; if($conn->multi_query($sql) === TRUE) { echo"New records created successfully"; }else{ echo"Error: ". $sql ."". $conn->error; } $conn...
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-- 创建存储过程 DELIMITER // CREATE PROCEDURE InsertMultipleData() BEGIN INSERT INTO table1 (column1, column2) VALUES ('value1', 'value2'); INSERT INTO table2 (column1, column2) VALUES ('value3', 'value4'); END // DELIMITER ; -- 调用存储过程 CALL InsertMultipleData(); 参考链接 ...
mysql INSERT语句 语法 2019-11-21 12:02 −mysql INSERT语句 语法 作用:用于向表格中插入新的行。 语法:INSERT INTO 表名称 VALUES (值1, 值2,...)或者INSERT INTO table_name (列1, 列2,...) VALUES (值1, 值2,...) mysql INSERT语句 示例 ... 佰草...
> usetest;``> create table t(id int NOT NULL AUTO_INCREMENT , PRIMARY KEY (id));``> insert into t(id) values(1),(10),(20),(50); 然后我们开两个客户端会话,一个会话执行insert into t(id) value(30),另一个会话执行select * from t wh...