The following is an example of the latest php-5.3.10 installation.
wget http://cn.php.net/distributions/php-5.3.10.tar.gzTAR-ZXVF php-5.3.10.tar.gzCD php-5.3.10./configure--prefix=/usr/local/php--with-config-file-path=/usr/local/php/etc--with-mysql=
what is an index.
Indexes are used to quickly look for records with a specific value, and all MySQL indexes are saved as a B-tree. Without an index, MySQL must begin scanning all records of the entire table from the first record until a record is
For some VPS, the system defaults to install MySQL. We need to uninstall (remove) The default MySQL from our server, VPS. So how (how) to uninstall MySQL on the Ubuntu\debian?
Typically, the following MySQL packages are installed in Debian, Ubuntu:
Timestamp data type in MySQL is a very special data type, he can automatically update the time when you update the record without using the program update timestamp
Usually there is a field in the table that creates date, and other databases have
Main Table of LEFT join
The main table mentioned here refers to which table MySQL is querying in the connection query. For example, in a left join query, the left-hand table is generally the main table, but this is just a rule of thumb, many times
Inside a copy of the latest MySQL 5.6 and 5.7 profile template, basically can be said to cover 90% of the tuning options, users only need to modify their own server configuration slightly, such as the size of the InnoDB buffer pool, IO capabilities (
The layman sees the lively, the expert sees the doorway. Sure enough, do not understand is not understand. You know, you know.
Yesterday, a boot, do not know how the GridView suddenly display device information is empty, hard to me to import an XLS
In a MySQL database, different parts of a table are stored as separate tables in different places. Partitions are primarily used to solve problems where tables are stored in different locations. This is also the case in other databases. They call
Environment: MySQL Sever 5.1 + SQL Server 2008 R2
Problem: The difference between MySQL and SQL Server in inserting data
First look at two pictures:
Mysql:
Sql server:
Create a table in MySQL, the primary key is growing, when inserting data,
mysql| notes
(Note: Reprint and quote, please indicate author Saulzy)
First, view and start the MySQL service.
After installing MySQL under Windows XP, it has started the service automatically and has a shortcut connection to its client in
There are two main ways to handle MySQL transactions.1, with Begin,rollback,commit to achieveBegin a transactionROLLBACK TRANSACTION RollbackCommit TRANSACTION Acknowledgement2, directly with set to change the MySQL automatic submission modeMySQL is
MySQL compilation parameters and complex, so that novice feel very head, if it is a formal environment installed MySQL, not enough time to study the meaning of each parameter, personal recommendations to use Yu Hongchun predecessors collation of the
Recently, in the project development process, encountered the database deadlock problem, in the process of solving the problem, the author of the MySQL InnoDB engine lock mechanism understanding gradually deepened.
The case is as follows:
The
A. Question and answer:
1. A simple description of how to install a Apache open source version of Hadoop, only described, no need to list the full steps, to list the steps better.
1) Install the JDK and configure environment variables (/etc/profile)
11.1 Lamp Architecture Introduction· LAMP = Linux + Apache (httpd) + MySQL + PHPThree characters can be in a machine, can also be separated (httpd and PHP to be together)Apache extracts data from MySQL via PHP module (dynamic request)The process of
Left ear Mouse: https://coolshell.cn/articles/1846.htmlToday, database operations are increasingly becoming a performance bottleneck for the entire application, which is especially noticeable for web applications. It's not just about the performance
1. Optimize your query for query cachingMost MySQL servers have query caching turned on. This is one of the most effective ways to improve sex, and this is handled by the MySQL database engine. When many of the same queries are executed multiple
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