A.ShowTables orShowTables from database_name; --Displays the names of all tables in the current databaseB.ShowDatabases --DisplayMySQLIn all name of the database C. show columns from table_name from database_name; or Show columns from
In the process of installing, managing, and using MySQL, you need to memorize a lot of MySQL commands. And for the novice, very few commands do not know how to apply, for the veteran to have a lot of command time to forget the specific usage.
In
To create a database of different character sets and delete a database under the command line:
[Root@lamp ~]#/usr/local/mysql/bin/mysql-uroot-p ' admin123 'Warning:using a password on the command line interface can is insecure.Welcome to the MySQL
When installing MySQL, if the character encoding is the default value latin1, you need to modify it to UTF8 to support Chinese data.The command is as follows:1. Display the database character set
Mysql> Show create DATABASE test;+----------+
Create databases Mysql> Show CREATE Database oldboy\g1. Row ***************************Database:oldboyCreate database:create Database ' Oldboy '/*!40100 DEFAULT CHARACTER SET UTF8 */1 row in Set (0.00 sec)Establish a GBK character set database named
MySQL commands are divided into the following categories:Dml:data manapulate Language: Data Manipulation language (data in the action table)INSERT, REPLACE, UPDATE, DELETEDdl:data defination lanuage: Data definition Language (action table)CREATE,
Author:skateTime:2015/03/11MySQL Case sensitiveString case sensitivity is related to MySQL database name, table name, field name, and field value.1. Related to database names, table names, stored procedures, and triggersThe case sensitivity of
To view the MySQL database encoding:Show variables like ' character% ';Mysql> Show variables like'character%';+--------------------------+-------------------------------------------------+| variable_name | Value |+--------------------------+---------
Classification of SQL statements by function (definition, manipulation, control, query)
DDL data Definition language, defining tables, libraries, views
DML Add, modify, and delete operations on data table records
DCL authorization, transaction
The basic operation of SQL is nothing more than additions and deletions (CRUD), according to the object classification of operations, can be divided into three categories, library operations, table operations and data manipulationLibrary
MySQL Library and table operationsBasic syntaxCreate Database db3; Create a databaseshow databases; //Presentation databaseMySQL library, which holds the authorization table, the user table, the default tableInformation_schema Data dictionary table,
For more information about how to use the MySQLSHOW command, see.
For more information about how to use the MySQL SHOW command, see.
Show tables or show tables from database;
Explanation: displays the names of all tables in the current
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 command. 1. show tables or show tables from
Question mark (Chinese) is displayed after ubuntu is deployed in java.
1. First, remember the encoding format of your project, that is, the encoding format used for local encoding. UTF-82. Check tomcat settings in web. xml and server:Server.
MySQL Database Study Notes : mysql Database Study Notes
Basic concepts and simple operations of MySQL
I. MySQLMySQL is a relational database management system developed by MySQL AB in Sweden. It is currently a product of Oracle. MySQL is one of
The Python program uses SQLAlchemy with garbled code.
The clubot was upgraded today, but the Chinese characters are garbled after the data is imported. The first step is to find the information and add the encoding information when creating the
Take you 5 minutes to understand MySQL Character Set settings, mysql Character SetI. Content Overview
When using MySQL, it is important to understand the concepts of character sets and collation, and the impact of different settings on data storage
Mysql Single Table, mysql Single Table maximum number of rows
Create and delete DatabasesBlack window to start the Database Service: net start mysqlDisable Database Service: net stop mysql
Create a databaseUse the keyword create
MySQL5.6.17 how to configure the My. ini file for database installation, mysql5.6.17my. ini
I recently used the MySql database for project development. After reading some articles about MySql, I quickly started using it. Some problems still occur in
MySQLShow command prompt: MYSQL Tutorial: MySQL Show command.
Show tables or show tables from database_name;Explanation: displays the names of all tables in the current database.
Show databases;Explanation: displays the names of all databases in
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