我们学习数据插入从一个全新的表开始,关于创建表的方法在前面的章节中已经学习过了,这里只贴出创建表的SQL语句: CREATE TABLE Product2 ( product_id CHAR(4) NOT NULL PRIMARY KEY, product_name VARCHAR(100) NOT NULL, product_type VARCHAR(32) NOT NULL, sale_price INTEGER DEFAULT 0, purchase_price ...
insert into test values(1,'1' & (select database()) & '','3'); ERROR 1292 (22007): Truncated incorrect INTEGER value: 'mysql' 0x06:使用算术运算符制造insert报错注入(+,-,%,/),灵活运用按位运算符,逻辑运算符,算术运算符。 MariaDB [mysql]> insert into test values(1,'1' + (select ...
#{address,jdbcType=VARCHAR}, #{telephone,jdbcType=VARCHAR}, #{tId,jdbcType=INTEGER} ) </insert> 1. 2. 3. 4. 5. 6. 7. 8. 9. 关于数据库批量插入时sql语句级的优化,我特意测试了两种方式,在StudentMapper中配置了两种insert模式。第一种对应insert value1,insert value2,,,;第二种对应insert va...
public Integer getHHH(int age,String name){ return Integer.valueOf(age+name); } } @Data @AllArgsConstructor @NoArgsConstructor @EqualsAndHashCode public class Book { private Long id; /** * 题目 */ private String title; /** * 分类 */ private String category; /** * 价格 */ private d...
带有子查询的SQL INSERT语句可以将子查询的结果作为插入的值,从而实现更复杂的数据插入操作。 带有子查询的SQL INSERT语句的语法如下: 代码语言:sql 复制 INSERT INTO table_name (column1, column2, ...) VALUES (value1, value2, ...) SELECT column1, column2, ... FROM table_name WHERE condition; ...
IntegerinsertListUser(List<User>user); mybatis Mapper中的sql写法: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 <insert id="insertListUser"parameterType="java.util.List">INSERTINTO`db`.`user_info`(`id`,`username`,`password`,`price`,`hobby`)values<foreach collection="list"item="item"...
Calling SQL function in C# Can datetime type store milliseconds Can I add integer array to SQLCommand as parameter? CAN I ADD WHERE CLAUSE IN CASE STATEMENT? (SQL 2005) Can I change the prefix of the table names in my SQL Server database? Can I get data from sqldatasource with code...
assertEquals(Integer.valueOf(50), user2.getId()); sqlSession.commit(); }//另外openSession方法第二个参数是设置是否自动提交,可以设置为flase。//这里提到拿到批量更新结果的方式支持拿到批量结果。try(SqlSessionsqlSession=sqlSessionFactory.openSession()) { ...
Integer insertListUser(List<User> user); mybatis Mapper中的sql写法: <insert id="insertListUser" parameterType="java.util.List"> INSERT INTO `db`.`user_info` ( `id`, `username`, `password`, `price`, `hobby`) values <foreach collection="list" item="item" separator="," index="index...
You can use the Transact-SQL row constructor (also called a table value constructor) to specify multiple rows in a single INSERT statement. The row constructor consists of a single VALUES clause with multiple value lists enclosed in parentheses and separated by a comma. For more information, see...