在MySQL中,我们可以使用INSERT INTO语句将查询结果插入到另一个表中。其基本语法如下: INSERTINTOtable_name(column1,column2,column3,...)SELECTcolumn1,column2,column3,...FROManother_tableWHEREcondition; 1. 2. 3. 4. INSERT INTO table_name:指定要插入数据的目标表。 (column1, column2, column3, ....
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 ...
INSERT INTO table_name (column1, column2, column3, ...) SELECT column1, column2, column3, ... FROM another_table WHERE condition; 将table1中的数据插入到table2中: INSERT INTO table2 (field1, field2) SELECT col1, col2 FROM table1; 批量插入 批量插入是一种高效的方法,特别适用于需要插...
三、做一个Delimited-Text文件备份 创建一个文本文件,包含表中数据,你可以使用: SELECT * INTO OUTFILE 'file_name' FROM tbl_name。文件就会在MySQL服务器上创建文件,不是客户端。这种方法可以对任何种类的数据生效,但是只能复制表数据,不能复制表结构。 另一种方法创建文本数据文件(包含create table建表语句的)...
Tx1: SELECT ... INSERT INTO user (name) SELECT 1000 rows from another table ... # Bulk ...
INSERT INTO table_name (column1, column2, column3) SELECT column1, column2, column3 FROM another_table WHERE condition; 全选代码 复制 这样可以将符合条件的多条数据从一个表中选择出来,并插入到指定的表中。 3. 使用LOAD DATA INFILE语句导入多条数据 ...
I am trying to insert rows into a table from another table when records in the second table does not exist in the first one. I am using the following code : INSERT INTO kleur (produk) SELECT t1.produk FROM verkope t1 WHERE NOT EXISTS(SELECT produk ...
Copy only some columns from one table into another table: INSERT INTO table2 (column1, column2, column3, ...)SELECT column1, column2, column3, ...FROM table1WHERE condition; 1.我的初衷是把同一个表里的某一行的数据进行复制,制作多条重复用来测试使用,比如测试脚本升级后重复数据被处理消失,...
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...
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