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, ....
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_value...
INSERTINTOtable_name (column1, column2,...)SELECTcolumn1, column2,...FROManother_table WHERE...您还可以在 INSERT INTO 语句中使用 SELECT 语句，将查询结果作为新数据插入到表中。上述代码演示了如何从另一个表中选择数据，并将其插入到指定的表中。INSERTINTOtable_name (column1, column2,...)
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 f...
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.
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...
简单的Transact-SQL查询只包括选择列表、FROM子句和WHERE子句。它们分别说明所查询列、查询的 表或视图、以及搜索条件等。 例如,下面的语句查询testtable表中姓名为“张三”的nickname字段和email字段。 复制内容到剪贴板 代码: SELECT `nickname`,`email`FROM `testtable`WHERE `name`='张三' ...
insert(id,name,category)values(source.id, source.name, source.category)--3.对于源表不能匹配的数据(即源表中不存在但目标表存在的差集数据),则删除这部分目标表中的差集数据whennotmatchedbysourcethendelete;--注意这行的这个分号,代表 merge 语句的结束,不可省略select*from#tempselect*from#temp2droptable...
INSERT… SELECT Method The INSERT… SELECT method allows you to insert data into a table by selecting it from another table, much like referencing an index to find books. Here’s how it works: INSERTINTOtable2(column1,column2,...)SELECTcolumn1,column2,...FROMtable1WHEREcondition; ...