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, ....
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. ...
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...
INSERT INTO table_name (column1, column2, column3, ...) SELECT column1, column2, column3, ... FROM another_table WHERE condition; 1. 2. 3. 4. 其中,table_name是要插入数据的表名,column1, column2, column3, ...是要插入的字段名,another_table是要选择数据的表名,condition是一个可选的...
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 ...
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...
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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...
在上述示例中,update_another_table是触发器的名称,table1是要插入数据的表,table2是要更新数据的另一个表,column1是要更新的列,id是用于匹配两个表的关联字段。 插入数据: 代码语言:txt 复制 INSERT INTO table1 (column1, column2) VALUES ('value1', 'value2'); ...
If they're PKs, it's redundant to also declare them unique. To see what's going on, run the SEELCT portion of that query by itself. Subject Written By Posted Insert into table from another table if not exist Gideon Engelbrecht