In case you insert data into multiple columns, but only some columns need to import from the table_b, some columns need to import from another set of data: INSERT INTO table_a (col1a, col2a, col3a, col4a …) SELECT table_b.col1b, 'other value', table_b.col3b, 'another_va...
INSERT INTO语句的第二种写法允许在插入数据时使用SELECT语句来获取要插入的值。这种写法非常有用,因为它可以根据已有的数据来插入新记录。 以下是具体的写法: INSERT INTO table_name (column1, column2, ..., columnN) SELECT column1, column2, ..., columnN FROM another_table WHERE condition; 在上述示...
INSERT INTO table SELECT是一种用于将一张表的数据插入到另一张表中的SQL语句。它可以将一个表中的数据复制到另一个表中，同时也可以选择需要插入的数据。语法如下：INSERT INTO table_name (column1, column2, column3, ...)SELECT column1, column2, column3, ...FROM another_table_name WHERE condition...
插入查询结果:INSERT INTO table_name (column1, column2, …) SELECT column1, column2, … FROM another_table; 例如:INSERT INTO customers (id, first_name, last_name, email) SELECT id, first_name, last_name, email FROM new_customers; 这些是INSERT语句的常见用法,可以根据具体需求选择适合的方式...
In this tutorial, you have learned how to use theINSERTstatement to insert one or more rows into a table. In addition, you also learned how to copy the data from a table to another table by using theINSERT SELECT INTOstatement.
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...
代码语言:sql 复制 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,condit...
Copy data from another table By combining several queries, you can also copy data from an A array to a table. To do this, use the following syntax: INSERT INTO my_table_1 SELECT column_1,column_2,column_2 FROM my_table_2 WHERE conditions Let’s take an example: You have two tabl...
Write a SQL query to copy data from one table into another table. Solution: -- Insert employees from the "OldEmployees" table into the "Employees" table.INSERTINTOEmployees(EmployeeID,Name,Age,Salary)-- Specify the target columns.SELECTEmployeeID,Name,Age,SalaryFROMOldEmployees;-- Copy data ...
INSERT INTO table_name (column1, column2, column3, ...) SELECT column1, column2, column3, ... FROM another_table WHERE condition; 应用场景 初始化数据:在创建新表时,可能需要插入一些初始数据。 数据迁移:从一个表迁移到另一个表时,可以使用INSERT语句。