Add, delete, modify, and query databases and tables based on mysql operations
I. Database Management-- 1. log on to the database
1 mysql -u root -p;
-- 2. view all databases on the database server
1 SHOW DATABASES;
-- 3. Create a database
CREATE
MYSQ Development notes-MYSQL basic enhancement (Mysql basic statements), mysq-mysqlBasic MYSQL enhancement library operations
1 create a database using the UTF-8 character set: 2 create database mydb character set UTF8; 3 4 create a database with a
Today, Clubot was upgraded, but after importing the data, Chinese characters are garbled, and one is to find the information to add the encoded information when the engine is created:
Engine = Create_engine ("Mysql://root: @localhost:
[MySQL] methods for obtaining metadata MySQL provides three methods for obtaining metadata of database objects: 1) show Statement 2) query related tables from INFORMATION_SCHEMA database 3) command line program, for example, mysqlshow and mysqldump
Mysql database learning-1, obtain the original data bitsCN.com show databasesshow tablesinformation_schemashow tables statement. The output does not contain the temporary table. View all databases on the server.> show databases view the create
Mysql database learning-1, get the original data bitsCN.com
Mysql database learning-1. get the original data
Show databasesshow tablesinformation_schemashow tables statement output does not contain the temporary table view all the databases on
Showprocesslist result filtering bitsCN.com
Show processlist result filtering
In MySQL
Show variables where variable_name like '% auto %'
This statement can be executed normally,
Show processlist where host like '% 100'
An error is reported:
Summary of the msyqlshow command bitsCN.com
MySQL has many basic commands, and the show command is also one of them. in many users, the use of the show command is also prone to confusion,This article brings together the many usage of the show
in MySQL show variables where variable_name like '%auto% ' this statement can execute normally, but show processlist where Host like '%192% ' will error: error Code:1064you has an error in your SQL syntax; Check the manual-corresponds to your
Zabbix menu appears question mark garbled problemAfter installing Zabbix, set into Chinese, found that the menu has a lot of garbled, Google only then know that this is related to the Zabbix database character set.To view the current default
MySQL database CRUD statement quick start bitsCN.com
MySQL database CRUD statement quick start SQL statement SQL statement, a language database used to operate the database, simply understood as a file on the hard disk, SQL statements that can store
This article is mainly to share with you the PHP test paper Summary, I hope to help everyone.
1. What is object-oriented? What are the main features?
Object-oriented is a design method of program, it is advantageous to improve the reusability of
Apsaradb for MySQL basic bitsCN.com was launched on July 15, 13th
I. SQL
SQL: Structured Query Language
Structured Query Language
SQL industrial standard: by ANSI (ISO (international standard orgnation) Core Member)
SQL statements compiled
Simple MySQL tutorial and table design principles: install and configure MySQL.
MySQL CRUD (add, delete, modify, and query)
List all databases
show databases;
Create a database
-- Create database mydb1
Mysql common statement summary bitsCN.com
Mysqld regular MySQL serverMysqld-opt optimizes the mysql server and provides some functions to mine better functions.Mysqld-max is the same as mysqld, but it supports Update and more experimental functions (
MySQL knowledge summary bitsCN.com
Database Development history:Hierarchical Model -->Mesh Model (high coupling degree) -->Relational model (object-relational model) DBMS database management systemRDBMS relational database management systemManage
The best solution to the Mysql Chinese garbled problem
In general, the main causes of Chinese garbled characters in MySQL are as follows:
1. problems with character set settings of the server itself, such as staying at latin12. table language
There are many tutorials on MYSQL on the Internet, but none of them are the latest. here I will briefly describe how to install and set the latest MYSQL version. most of the operations are the same. The following is a description of Windows 64-bit
MYSQL Tutorial: Instructions on how to use the Show command. tips: MYSQL Tutorial: Instructions on how to use the Show command.
A. show tables or show tables from database_name;-displays the names of all tables in the current database.B. show
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