INSERTINTOtable_name(column1,column2,column3)SELECTvalue1,value2,value3FROManother_tableWHEREcondition; 在上述示例中,table_name是要插入数据的表名,column1、column2和column3是要插入的列名,value1、value2和value3是子查询返回的值,another_table是包含要插入的值的另一个表,condition是一个可选的条件...
<insert id="insertList" parameterType="list"> INSERT INTO tableName (column1, column2) VALUES (#{item.field1}, #{item.field2}) </insert> 2、使用foreach标签 <insert id="insertList" parameterType="list"> INSERT INTO tableName (column1, column2) VALUES <foreach collection="list" item=...
VALUES (value1, value2, value3, ...), (value1, value2, value3, ...), ... 从另一个表或查询结果插入: 代码语言:txt 复制 INSERT INTO table_name (column1, column2, column3, ...) SELECT column1, column2, column3, ... FROM another_table WHERE condition; 应用场景 当你需要批量...
1. 使用INSERT语句批量插入数据 首先,我们可以使用INSERT语句批量插入数据。这种方法适用于少量数据的填充,通常使用VALUES子句指定要插入的数据。 INSERT INTO table_name (column1, column2, ...) VALUES (value1, value2, ...), (value1, value2, ...), ... 1. 2. 3. 4. 例如,我们有一个名为user...
Re: Insert into table from another table if not exist Gideon Engelbrecht June 01, 2021 12:39AM Sorry, you can't reply to this topic. It has been closed. This forum is currently read only. You can not log in or make any changes. This is a temporary situation. ...
into table(column1,column2,...) values(value1,value2,...) 是插入定值数据的语法。insert into table(column1,column2,...) select column1,column2,... from another_table 是动态从一个表中检出需要的字段数据插入到当前数据表的语法。2种方式都要求 表中列数量及数据类型兼容 可以...
通过insert ... table/select/values 方式插入数据 语法: INSERT[INTO]tbl_name[(col_name[,col_name]...)]{SELECT...|TABLEtable_name|VALUESrow_constructor_list } 示例1select: # insert ... select# 从另一张表格中选出的数据格式和数量必须相同,不要求列名必须相同insertintohumanselectname,idfrompers...
INSERT INTO table_name(column_list) SELECT select_list FROM another_table WHERE condition; INSERT ON DUPLICATE KEY UPDATE statement(插入更新数据)如果目标表里已经存在相同的主键,则执行下面的更新字段的SQLINSERT INTO table (column_list) VALUES (value_list) [SELECT ...FROM ... WHERE] ON DUPLICATE ...
FROM another_table WHERE conditions; 1. 2. 3. 4. 这允许我们从另一个表或查询中获取数据并插入指定的列。 假设有一个名为backup_product_info的备份表,其结构与product_info相同。我们可以使用以下SQL语句将backup_product_info表中符合条件的数据插入到product_info表中: ...
After the INSERT..SELECT statement, the AUTO_INCREMENT of the table in which I'm inserting values from another table is equal to nearest (but bigger then inserted count) power of two. For example when I'm inserting 2 rows it equals 4, for 4 rows - 8, for 10 - 16 and so on. ...