-- 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 from another table. Copy Explanation: Purpose of the Query : The goal is to c...
You can useSELECT FROMstatement to retrieve data from this table, then use anINSERT INTOto add that set of data into another table, and two statements will be nested in one single query. 1. Insert an entire column’s data The general syntax would be: INSERT INTO table_a (col1a) S...
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 ...
-- Syntax for SQL Server and Azure SQL Database and Fabric SQL database [ WITH <common_table_expression> [ ,...n ] ] INSERT { [ TOP ( expression ) [ PERCENT ] ] [ INTO ] { <object> | rowset_function_limited [ WITH ( <Table_Hint_Limited> [ ...n ] ) ] } { [ ( column...
CREATE TABLE student_old ( student_id INT , student_name VARCHAR(50), major VARCHAR(50), batch INT ); CREATE TABLE student_new ( student_id INT , student_name VARCHAR(50), major VARCHAR(50), batch INT ); INSERT INTO student_old(student_id, student_name, major, batch) VALUES (1, ...
数据操作语言(DML)用于操作数据表,如增加、删除、查询、修改等。常用关键字有:Insert(插入数据)、Delete(删除数据)、Select(查询数据)和Updata(修改数据)。 插入数据 INSERT INTO table_name(column1,column2,...) VALUES (value1,value2, ...)
INSERT INTO table_name (column1,column2,...) SELECT columnx,columny,... FROM another_table 说明:也可以经过一个子查询(subquery)把别的表格的资料填入。 2、查询资料: 基本查询 SELECT column1,columns2,... FROM table_name 说明:把table_name 的特定栏位资料全部列出来 SELECT * FROM table_name ...
Copy only some columns from one table into another table: INSERTINTOtable2(column1,column2,column3, ...) SELECTcolumn1,column2,column3, ... FROMtable1 WHEREcondition; Demo Database In this tutorial we will use the well-known Northwind sample database. ...
Examples in this section demonstrate methods of inserting rows from one table into another table. A. Using the SELECT and EXECUTE options to insert data from other tables The following example shows how to insert data from one table into another table by using INSERT…SELECT or INSERT…EXECUTE....
sqlCopy codeINSERTINTOmy_tableSELECTid,name,ageFROManother_tableWHEREage>20; 1. 2. 3. 4. 5. 5. 动态分区插入数据 在Hive中,我们可以使用动态分区插入数据到表中,以下是一个示例: AI检测代码解析 sqlCopy codeINSERTINTOTABLEmy_tablePARTITION(age)VALUES(4,'David',35,30),(5,'Eva',27,25); ...