mysql中用命令行复制表结构的方法_MySQL
bitsCN.com
mysql中用命令行复制表结构的方法 1.只复制表结构到新表 CREATE TABLE 新表 SELECT * FROM 旧表 WHERE 1=2 或CREATE TABLE 新表 LIKE 旧表 2.复制表结构及数据到新表 CREATE TABLE 新表 SELECT * FROM 旧表 3.复制旧表的数据到新表(假设两个表结构一样) INSERT INTO 新表 SELECT * FROM 旧表 4.复制旧表的数据到新表(假设两个表结构不一样) INSERT INTO 新表(字段1,字段2,.......) SELECT 字段1,字段2,...... FROM 旧表 bitsCN.com
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
AI Hentai Generator
Generate AI Hentai for free.
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
What are the syntax and structure characteristics of lambda expressions?
Apr 25, 2024 pm 01:12 PM
Lambda expression is an anonymous function without a name, and its syntax is: (parameter_list)->expression. They feature anonymity, diversity, currying, and closure. In practical applications, Lambda expressions can be used to define functions concisely, such as the summation function sum_lambda=lambdax,y:x+y, and apply the map() function to the list to perform the summation operation.
In-depth analysis of the structure and purpose of the MySQL.proc table
Mar 15, 2024 pm 02:36 PM
The MySQL.proc table is a system table that stores stored procedure and function information in the MySQL database. By in-depth understanding of its structure and purpose, you can better understand the operating mechanism of stored procedures and functions in MySQL, and perform related management and optimization. The structure and purpose of the MySQL.proc table will be analyzed in detail below, and specific code examples will be provided. 1. The structure of the MySQL.proc table. The MySQL.proc table is a system table that stores the definitions and related information of all stored procedures and functions.
What is the origin of the basic structure and technology of the internet?
Dec 15, 2020 pm 04:48 PM
The basic structure and technology of the internet originated from ARPANET. ARPANET is a milestone in the development of computer network technology. Its research results have played an important role in promoting the development of network technology and laid the foundation for the formation of the Internet. Arpanet (Arpanet) was the world's first operational packet switching network developed by the U.S. Defense Advanced Research Projects Agency. It is the ancestor of the global Internet.
How to design the mall's evaluation table structure in MySQL?
Oct 31, 2023 am 08:27 AM
How to design the mall's evaluation table structure in MySQL? In a shopping mall system, evaluation is one of the most important functions. Evaluations can not only provide reference for other users, but also help merchants understand users’ feedback and opinions on products. Designing a reasonable evaluation form structure is crucial to the operation of the mall system and user experience. This article will introduce how to design the mall's evaluation table structure in MySQL and provide specific code examples. First, we need to create two basic tables: product table and user table. product list (product
How to implement a layout with a fixed navigation menu using HTML and CSS
Oct 26, 2023 am 11:02 AM
How to use HTML and CSS to implement a layout with a fixed navigation menu. In modern web design, fixed navigation menus are one of the common layouts. It can keep the navigation menu always at the top or side of the page, allowing users to browse web content conveniently. This article will introduce how to use HTML and CSS to implement a layout with a fixed navigation menu, and provide specific code examples. First, you need to create an HTML structure to present the content of the web page and the navigation menu. Here is a simple example
What are the common flow control structures in Python?
Jan 20, 2024 am 10:38 AM
There are four common flow control structures in Python, namely sequential structure, conditional structure, loop structure and jump structure. The following will introduce them one by one and provide corresponding code examples. Sequential structure: A sequential structure is a structure in which the program is executed in a predetermined order from top to bottom, without specific keywords or syntax. Sample code: print("This is the sequence structure example 1")print("This is the sequence structure example 2")print("This is the sequence structure example 2")
Exploring the internal structure of the Linux file system
Mar 21, 2024 am 10:03 AM
Title: Exploring the Internal Structure of the Linux File System The Linux operating system is famous for its stability and flexibility, and the file system, as one of its cores, plays a key role. An in-depth understanding of the internal structure of the Linux file system not only helps us understand the working principle of the operating system, but also helps us better manage and optimize the system. This article will explore the internal structure of the Linux file system with detailed code examples and explanations. 1. Introduction to file systems File systems are used by computers to organize and store files and to
How to implement the statement to view table data in MySQL?
Nov 08, 2023 pm 01:40 PM
Title: Statements and specific code examples for viewing table data in MySQL MySQL is an open source relational database management system that is widely used in applications of all sizes. In MySQL, viewing table data is a very basic operation. The following will introduce how to implement this operation through specific statements and code examples. First, we will introduce the statements and specific code examples for viewing table data through the MySQL command line tool. Suppose we have a table named "employees", the following is the pass
