MySQL

What happened a week ago, when I wanted to feel the MySQL C API, I wrote a few small examples. Although it is on Windows (my work computer is 64-bit Windows) above, but do not want to use VS, just want to write the code with the text software and

Original URL: The difference between char and varchar in http://www.jb51.net/article/23575.htmmysql font: [Increase decrease] type: reprinted in MySQL tutorial the difference between char and varchar,  are used to store strings, except that they are

affirm that the following articles belong to reprint, now everyone new download version with the following column this is not the same! I read a lot of online, and finally I went to the English handbook, which said very clearly! Everyone English is

MySQL default port number is 3306, if install multiple or conflict need to modify the port number, modify the port number of the My.ini, the file is normally under the installation directory. Here are the specific instructions:Method/Step Stop

[Article Zhang Feast this article version: v1.1 Last modified: 2010.05.18 reproduced Please specify the original link: http://blog.zyan.cc/infobright/]Infobright is a MySQL-integrated open source data Warehouse software that can be used as a storage

JDBC is a technology developed by Sun to connect databases in the Java language.First, the basic knowledge of JDBCJDBC (Java Data Base Connectivity,java database connection) is a Java API for executing SQL statements that provides unified access to

http://heylinux.com/archives/1004.html MySQL Master-slave Replication (master-slave) and read-write separation (Mysql-proxy) practiceAs the most widely used free database in the world, MySQL believes that all engineers engaged in system operations

xampp default MySQL password settings, modify the default null password for MySQLCategory: Xampp2012-09-12 11:24 30264 People read Comments (5) favorite reports Mysqlphpmyadminauthentication database management Tools Database extensionI used to

python operation MySQLRecently learning Python, this scripting language is undoubtedly associated with databases, so here's how to use Python to manipulate MySQL databases. I Python is also 0 basic learning, so this blog is for beginners python,

MySQL joins columns, changes columns, deletes columnsALTER table: Add, change, delete table columns, constraints and other table definitions. View column: Desc table name; Change table name: ALTER TABLE T_book Rename to BBB; Add

1. mysql Database:When it comes to the development of some large web systems or embedded software, it is necessary to use a database to manage the data. In the Windows operating system, using a variety of databases, such as: SQL Server, Oracle,

When a new user registers, the website will store the user's registration information in the database, and then extract it when needed. A simple example is written today.The following functions are mainly accomplished:(1) The user registers,

I installed a MySQL server on a virtual machine on a CentOS Linux environment and installed MySQL client mysqlworkbench under local Windows , So just to let the MySQL client under Windows mysqlworkbench link the CentOS MySQL server on the virtual

MySQL has a lot of visual management tools, such as "Mysql-workbench" and "sequel-pro-". Now I am writing mysql Terminal command Operation article, is to strengthen my understanding of MySQL, always better than the use of graphical understanding,

MySQL data recovery case after truncate misoperation, mysqltruncate The actual online scenario is complicated. At that time, the truncate and delete operations were involved. It was confirmed that more than 70 thousand rows of data were lost. when

Use Gearman to synchronize data from MySQL to RedisFor data that frequently changes, if you still use the traditional static cache method (Memocached, File System, and so on) to display data, there may be a huge overhead in cache access, but Redis,

CSV file import database: D, csv import database CSV import database summary:1. Open the CSV file and analyze the file structure: After a rough look, we found that all the fields are relatively short. to quickly create a table, we can simply use

Mysql query method analysis summary: In other words, the article table article stores the time when an article is added as the add_time field, which is of the int (5) type, to query the total number of articles added today in descending order of

First of all, you need to download and install the corresponding modules. You can search for them on the internet and install them easily, after installation, the MySQLdb folder under the site-packages folder under the Lib folder under the python

Abstract: This article describes how to optimize SQL queries. You can manually use the EXPLAIN statement to check the efficiency of SQL queries. In addition, some principles for optimizing SQL statements are described, mainly about how to optimize