Some basic MySQL operations have recently started to learn MySQL, mainly through books, watching videos from instructor Yan 18, and then recording their learning processes through blogs.
Log on to the database
zhiniaobu@telunsu-K55VD:~$ mysql
MySQL experience 3-bitsCN.com 1. compared with Interface Operations, SQL statement operations are more flexible and powerful. Set character_set_client = gb2312; set character_set_results = gb2312; 2. once the database and table are created, the next
MySQL database Show command usage detailed usage of the Show command:
A. show tables or show tables from database_name; -- displays the names of all tables in the current database.
B. show databases; -- display the names of all databases in
Django is an open-source Web application framework written in Python. Using the MVC software design model, the main goal is to make the development of complex, database-driven websites easy. Django focuses on component reusability and "pluggable",
MySQL's first knowledge of SQL statements and Library operations is important for PHP operations, and this article will explain its related operations.
Types of 1>sql languages
sql:structured query Language that is, structured querying language
The
Mysql viewing encoding method topic bitsCN.com
Topics on viewing encoding methods in Mysql
I,
View the character set of a database
Show variables like 'character/_ set/_ % ';
Output:
+ -------------------------- + -------- +
| Variable_name | Value |
This article mainly introduces the solution for garbled characters when using SQLAlchemy in Python programs. SQLAlchemy is a commonly used tool for Python to operate MySQL databases, you can refer to the following code for upgrading clubot today,
MySQL Getting Started 1, Database Basics (Understanding) 1.1, Database Introduction 1.1.1, what is a database? What is the role of the database?The database is the warehouse that stores the data, its essence is a file system, the data is stored in
147. what is the troubleshooting idea when ApacheHttpServer fails to be started on windows?
147. on windows, Apache Http Server fails to be started. what is the troubleshooting idea?A:
Check whether Port 80 used by apache is occupied. if it is
I. Introduction of the Database
(1) database is the repository of data, data is not directly placed in the database, the database is placed in a table, the table is the data stored;
(2) History of the database
Embryonic stage-File system: Use disk
Modify the default encoding. This code is really messy. When the database server is installed, no database code is selected. Query Database code PHPcodeshowcreatedatabaseguest; all are latin1. Search Google, there are the following questions, 1: Can
Some common database operations bitsCN.com
Note: Before creating a database, connect to the Mysql server.
-Create database: create database db_name [database Options]; for example, create database 'Java ';
-Query existing databases (display
Introduction to the MySQLSHOW command bitsCN. comSHOW TABLES or show tables from database;
Explanation: displays the names of all tables in the current database.
Show databases;
Explanation: displays the names of all databases in MYSQL.
Show
Usage of the MySQLshow command bitsCN. comshow tables or show tables from database_name; // display the names of all tables in the current database
Show databases; // display the names of all databases in mysql
Show columns from table_name from
This article mainly introduces the Mysql statement Quick Review Tutorial (full). For more information, see
Basic operations
View database
show databases;
Character set
create database day15 default character set utf8
View character set
show
Modify the default encoding. This code is really messy. When the database server is installed, no database code is selected. Query Database code PHPcodeshowcreatedatabaseguest; all are latin1. I searched Google and asked the following questions: 1:
In the case of MySQL Chinese garbled characters, first use the status command to check the database configuration, as shown below:
In the case of MySQL Chinese garbled characters, first use the status command to check the database configuration, as
All the following commands are executed in the mysql monitor:
A. show tables or show tables from database_name; // display the names of all tables in the current database
B. show databases; // display the names of all databases in mysql
C. show
From: http://www.linuxidc.com/Linux/2011-01/31263.htm
I. Prepare the development environment1. install linux first. Ubuntu is used here.10.102. Install the MySQL software package. MySQL 10.10 is included in the system repository:Sudo apt-Get
What is the meaning of the number after the int In the MySQL field? What is the significance of the number after varchar?
mysql> create table t(a int(1));Query OK, 0 rows affected (0.10 sec)mysql> insert into t values(123);Query OK, 1 row affected (0
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