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
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_val...
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...
Insert from another TableWrite a SQL query to copy data from one table into another table.Solution:-- Insert employees from the "OldEmployees" table into the "Employees" table. INSERT INTO Employees (EmployeeID, Name, Age, Salary) -- Specify the target columns. SELECT EmployeeID, Name, ...
INSERT mytable (first_column,second_column)SELECT another_first,another_second FROM anothertable WHERE another_first=’Copy Me!’这个语句从anothertable拷贝记录到mytable.只有表anothertable中字段another_first的值为’Copy Me！’的记录才被拷贝。当为一个表中的记录建立备份时，这种形式的INSERT ...
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 ...
一、 简单查询简单的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。 代码:SELECT `nickname`,`emai
Using the MERGE statement in SQL gives you better flexibility in customizing your complex SQL scripts and also enhances the readability of your scripts. The MERGE statement basically modifies an existing table based on the result of comparison between the key fields with another table in the context...
values-- from the OUTPUT clause.CREATETABLE#MyTempTable ( ExistingCodeNCHAR(3), ExistingNameNVARCHAR(50), ExistingDate DATETIME, ActionTakenNVARCHAR(10), NewCodeNCHAR(3), NewNameNVARCHAR(50), NewDate DATETIME ); GOALTERPROCEDUREdbo.InsertUnitMeasure @UnitMeasureCodeNCHAR(3), @NameNVARCHAR(25)AS...
If you want to copy data to a new table (rather than copying to an existing table), you should use theSELECT INTOstatement. Copy Selected Columns Only We can also copy only the selected columns from one table to another. For example, ...