The MySQL stored procedure uses dynamic row-to-column conversion.
The instance described in this article successfully implements dynamic row-to-column conversion. The following is an example of a simple database.
Data Table Structure
Here, I will
MySQL learning footprint record 10 -- Summary Data -- MAX (), MIN (), AVG (), SUM (), COUNT () bitsCN.com
MySQL learning footprint record 10 -- Summary Data -- MAX (), MIN (), AVG (), SUM (), COUNT ()
Data used in this article
mysql> SELECT prod_
This article describes how to use dynamic row-to-column conversion in the MySQL stored procedure. For more information, see the examples described in this article. The following is an example of a simple database.
Data table structure
Here, I will
1. download MySql
1. download MySql
Open http://www.mysql.com/downloads/mysql/#downloads download in browser
My downloaded version is Red Hat 5 version of http://www.mysql.com/downloads/mirror.php? Id = 407552
Upload the file to the server, or
Apache + Mysql + PHP reproduced from: http://blog.csdn.net/buutterfly/article/details/5630203
DedeCMS deployment -- how to deploy Apache + Mysql + PHP (LAMP )?1. Linux OS:
Linux OS: Red Hat Enterprise Linux AS release 4 (Nahant Update 6)
2.
MySQL learning footprint record 10 -- Summary Data -- data used in this article, such as MAX (), MIN (), AVG (), SUM (), and COUNT ()
mysql> SELECT prod_price FROM products;+------------+| prod_price |+------------+| 5.99 || 9.99 ||
The example described in this article successfully implements the dynamic row-column. Below I take a simple database as an example, illustrate.
Data table structure
Here I use a relatively simple example to illustrate, is also a classic example of
This article mainly introduces the use of basic commands in the MySQL Cluster configuration process. The example of two node connections is provided in the real-time recording. For more information, see the following.
1. check whether you should use
Mysql Cluster 1: master-slave replication, using mysql-proxy for load balancing Mysql Cluster
There are many mysql Cluster architecture methods, and different architectures are implemented according to different requirements. Simply put, mysql
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