SQL 型 V3.2.4 开发指南 基于Mysql 模式进行应用开发 关于DML 语句和事务 DML 语句 关于INSERT 语句 更新时间:2025-03-04 23:00:02 INSERT 语句用来向表中插入行记录,本文介绍了相关语句的使用方法和示例。 INSERT 语句 INSERT语句语法格式如下: INSERTINTOtable_name(list_of_columns)VALUES(list_of_values);...
SQL INSERT INTO statement adds data of one or more records to a database. Either all the rows can be inserted, or a subset may be chosen using a condition. Here is the syntax of the INSERT INTO statement. The INSERT INTO is followed by a table name with its columns and followed by...
The INSERT ALL can be used to insert multiple records into multiple tables. Bellow, the INSERT ALL statement will insert one record to the Employee table, and two records to the Customer table with a different set of columns. SQL Script: Insert Multiple Records in Oracle Copy INSERT ALL INT...
INSERT INTO table (column-name_1, column-name_2, …)VALUES (‘value 1’, ‘value 2’, …) Here, column order is no longer as important. Be careful, however, with the order of values. They must correspond to the columns to which they are assigned. Insert several lines Inserting seve...
有关详细信息,请参阅 @@ROWCOUNT (Transact-SQL)。 大容量导入数据的最佳实践 使用INSERT INTO…SELECT 进行大容量导入数据并按最小方式记录日志和平行度 可以使用 INSERT INTO <target_table> SELECT <columns> FROM 高效地将大量行从一个表(例如临时表)传输到按最小方式记录日志的其他表中。 按最小方式记录...
PRIMARY KEY( one or more columns ) ); 1. 2. 3. 4. 5. 6. 7. 8. 写法1: test=# create table company(id int primary key not null , name text not null , age int not null ,address char(50) , salary real); 写法2: test=# CREATE TABLE COMPANY( ...
PostgresSQL (二) 基础语法 CREATE, INSERT INTO, SELECT 语法命令 1. 基础语法 创建数据库 createdatabase testdb; 删除数据库 postgres=# drop database testdb;DROP DATABASE postgres=# 创建表 创建表之前要连接指定的数据库 \c test; CREATETABLEtable_name( ...
如需詳細資訊,請參閱 @@ROWCOUNT (Transact-SQL)。 大量匯入資料的最佳做法 使用INSERT INTO...SELECT 以最低限度記錄和平行處理原則來大量匯入資料 您可以搭配使用 INSERT INTO <target_table> SELECT <columns> FROM 最低限度記錄,有效率地將大量資料列從某份資料表 (例如暫存表格) 傳送至另一份資料表。
Having explored the basics of the SQL INSERT INTO statement, let’s see our librarian in action. We’ll walk through some examples to help you understand how to use this command effectively. Inserting a Single Row Imagine we have a table namedemployeeswith three columns:id,name, andposition....
-- copy selected columns onlyINSERTINTOOldCustomers(customer_id, age)SELECTcustomer_id, ageFROMCustomers; Run Code Here, the SQL command only copies records from thecustomer_idandcountrycolumns to theOldCustomerstable. Note:If there are columns other thancustomer_idandagein theOldCustomerstable, th...