Home Database Mysql Tutorial What is the command to create a table in mysql?

What is the command to create a table in mysql?

May 07, 2019 pm 05:25 PM
mysql

The mysql create table command is [CREATE TABLE table_name (column_name column_type);], where the parameters include the table name, table field name, and each defined table field.

What is the command to create a table in mysql?

#How to create a MySQL data table? The following article will introduce to you how to create a data table through the command prompt. I hope it will be helpful to you.

The following information is required to create a MySQL data table:

● Table name

● Table field name

● Define each table field

Basic syntax

The following is the general SQL syntax for creating MySQL data tables:

CREATE TABLE table_name (column_name column_type);
Copy after login

Example: Create a table through the command prompt

MySQL data tables can be easily created through the mysql> command window. You can create a data table using the SQL statement CREATE TABLE.

1. First connect to the mysql server and enter the password

root@host# mysql -u root -p
Enter password:*******
Copy after login

2. Enter the database RUNOOB

use RUNOOB;
Copy after login

3. Create the table

mysql> CREATE TABLE runoob_tbl(
   -> runoob_id INT NOT NULL AUTO_INCREMENT,
   -> runoob_title VARCHAR(100) NOT NULL,
   -> runoob_author VARCHAR(40) NOT NULL,
   -> submission_date DATE,
   -> PRIMARY KEY ( runoob_id )
   -> )ENGINE=InnoDB DEFAULT CHARSET=utf8;
Copy after login

Output:

Query OK, 0 rows affected (0.16 sec)
Copy after login

indicates that the data table is created successfully.

Note: MySQL command terminator is semicolon;.

Note: -> is a newline identifier, do not copy it.

Example analysis:

●If you don’t want the field to be NULL, you can set the attribute of the field to NOT NULL. When operating the database, if the data entered in this field is NULL, an error will be reported.

● AUTO_INCREMENT is defined as a self-increasing attribute, generally used for primary keys, and the value will automatically increase by 1.

● The PRIMARY KEY keyword is used to define a column as the primary key. You can define a primary key using multiple columns, separated by commas.

● ENGINE sets the storage engine, CHARSET sets the encoding.

We can use the command to view the command line view table structure

What is the command to create a table in mysql?

The above is the detailed content of What is the command to create a table in mysql?. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. Best Graphic Settings
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. How to Fix Audio if You Can't Hear Anyone
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
WWE 2K25: How To Unlock Everything In MyRise
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

The relationship between mysql user and database The relationship between mysql user and database Apr 08, 2025 pm 07:15 PM

In MySQL database, the relationship between the user and the database is defined by permissions and tables. The user has a username and password to access the database. Permissions are granted through the GRANT command, while the table is created by the CREATE TABLE command. To establish a relationship between a user and a database, you need to create a database, create a user, and then grant permissions.

MySQL: The Ease of Data Management for Beginners MySQL: The Ease of Data Management for Beginners Apr 09, 2025 am 12:07 AM

MySQL is suitable for beginners because it is simple to install, powerful and easy to manage data. 1. Simple installation and configuration, suitable for a variety of operating systems. 2. Support basic operations such as creating databases and tables, inserting, querying, updating and deleting data. 3. Provide advanced functions such as JOIN operations and subqueries. 4. Performance can be improved through indexing, query optimization and table partitioning. 5. Support backup, recovery and security measures to ensure data security and consistency.

RDS MySQL integration with Redshift zero ETL RDS MySQL integration with Redshift zero ETL Apr 08, 2025 pm 07:06 PM

Data Integration Simplification: AmazonRDSMySQL and Redshift's zero ETL integration Efficient data integration is at the heart of a data-driven organization. Traditional ETL (extract, convert, load) processes are complex and time-consuming, especially when integrating databases (such as AmazonRDSMySQL) with data warehouses (such as Redshift). However, AWS provides zero ETL integration solutions that have completely changed this situation, providing a simplified, near-real-time solution for data migration from RDSMySQL to Redshift. This article will dive into RDSMySQL zero ETL integration with Redshift, explaining how it works and the advantages it brings to data engineers and developers.

How to fill in mysql username and password How to fill in mysql username and password Apr 08, 2025 pm 07:09 PM

To fill in the MySQL username and password: 1. Determine the username and password; 2. Connect to the database; 3. Use the username and password to execute queries and commands.

Query optimization in MySQL is essential for improving database performance, especially when dealing with large data sets Query optimization in MySQL is essential for improving database performance, especially when dealing with large data sets Apr 08, 2025 pm 07:12 PM

1. Use the correct index to speed up data retrieval by reducing the amount of data scanned select*frommployeeswherelast_name='smith'; if you look up a column of a table multiple times, create an index for that column. If you or your app needs data from multiple columns according to the criteria, create a composite index 2. Avoid select * only those required columns, if you select all unwanted columns, this will only consume more server memory and cause the server to slow down at high load or frequency times For example, your table contains columns such as created_at and updated_at and timestamps, and then avoid selecting * because they do not require inefficient query se

Can I retrieve the database password in Navicat? Can I retrieve the database password in Navicat? Apr 08, 2025 pm 09:51 PM

Navicat itself does not store the database password, and can only retrieve the encrypted password. Solution: 1. Check the password manager; 2. Check Navicat's "Remember Password" function; 3. Reset the database password; 4. Contact the database administrator.

Master SQL LIMIT clause: Control the number of rows in a query Master SQL LIMIT clause: Control the number of rows in a query Apr 08, 2025 pm 07:00 PM

SQLLIMIT clause: Control the number of rows in query results. The LIMIT clause in SQL is used to limit the number of rows returned by the query. This is very useful when processing large data sets, paginated displays and test data, and can effectively improve query efficiency. Basic syntax of syntax: SELECTcolumn1,column2,...FROMtable_nameLIMITnumber_of_rows;number_of_rows: Specify the number of rows returned. Syntax with offset: SELECTcolumn1,column2,...FROMtable_nameLIMIToffset,number_of_rows;offset: Skip

Understand ACID properties: The pillars of a reliable database Understand ACID properties: The pillars of a reliable database Apr 08, 2025 pm 06:33 PM

Detailed explanation of database ACID attributes ACID attributes are a set of rules to ensure the reliability and consistency of database transactions. They define how database systems handle transactions, and ensure data integrity and accuracy even in case of system crashes, power interruptions, or multiple users concurrent access. ACID Attribute Overview Atomicity: A transaction is regarded as an indivisible unit. Any part fails, the entire transaction is rolled back, and the database does not retain any changes. For example, if a bank transfer is deducted from one account but not increased to another, the entire operation is revoked. begintransaction; updateaccountssetbalance=balance-100wh

See all articles