MySQL

Transferred from: http://www.cnblogs.com/zbseoag/archive/2013/03/19/2970004.html1. Integral type MySQL data type Meaning (Signed) tinyint (m) 1 byte range ( -128~127) smallint (m) 2 byte

Linux Systems:Under Linux, the default data document storage directory for MySQL is/var/lib/mysql. The following steps are required if you want to move the MySQL directory to/home/data:1. Set up the data directory in the home directoryCd/homemkdir

Originally thought the data came out, to show is a trivial thing! Who knows, I made a day .... I was wrong in not putting connection.query inside.The following example is possible! Read my previous article of the classmate, should be very familiar

Amoeba-mysql Read and write separate combatAmoeba use a lot, here to see the title we first say read and write separation, because I will only this. Amoeba is defined as domestic, open source. Currently (October 20, 2015) We use the amoeba2.2

MySQL restricts the size of packets accepted by the server according to the configuration file.Sometimes large inserts and updates are limited by the Max_allowed_packet parameter, causing the write or update to fail.View current configurationShow

In my opinion, hibernate is the most troublesome thing is to configure the Foreign Key association, a slight error will appear configuration errors, the current project is all in the use of mybaits, and mybaits use is much simpler, at least,

(1) The simplest way to modify is to modify the MySQL My.ini file character Set key value, Ubuntu under the MySQL configuration file is under the /etc/mysql/my.cnf ,I'm going to copy this file to my /home/username folder and rename it to. my.cnf so

1. Theoretical partLAMP is linux apache MySQL php shorthand, in fact, is the Apache, MySQL and PHP installed on the Linux system, to form an environment to run the PHP scripting language.This article is to test the Apache and PHP combination and

When inserting records with duplicate values on a unique key, we can control how MySQL handles this situation: using the IGNORE keyword or on DUPLICATE key UPDATE clause skips the INSERT, interrupts the operation, or updates the old record to the

preface : "MySQL automatic backup", in the installation of MySQL, the need is to automate the backup of MySQL, so as to avoid the loss of data during the project to cause irreversible consequences, then this article will teach you how to automate

Because lazy, so do not want to use SQLyog, Python wrote a quick Execute SQL command program:Import pymysql,sysclass dealmysql (object):     ' Pymysql '      version =  ' version:0.1 '      author =  ' author: august '          def __init__ (self):  

Although the study found that Tcmalloc is not suitable for our existing game framework, but the accidental harvest found that tcmalloc can significantly improve MySQL performance and memory footprint, here are the results of configuration and

Environment and ResourcesPC System: Centos 6.5 32-bitMySQL Server 5.6URL: http://cdn.mysql.com//Downloads/MySQL-5.6/MySQL-server-5.6.27-1.el6.i686.rpmMySQL Client

MySQL backups typically take full backups plus log backups, such as performing a full backup every day, and a binary log backup every hour. This allows you to recover data to any location or time prior to the last binary log backup using full backup

0, change Password: mysqladmin-u root-p password 123456Export database: Mysqldump-u root-p yunpay>yunpay.sqlImport Database: Mysql–u root-p Yunpay 1, for MySQL add a named admin, host name arbitrary network user, which through the password ' 123 '

Centos6.4 under Compile and install MySQL5.6. -Overview: CentOS6.4 the version of MySQL installed through Yum is version 5.1, older, so you want to install the high-level 5 through the source code.6.14. Text: One: Uninstall the old version use the

MySQL database design, which, for Data performance optimization, field type considerations are important, collected some information, organized to share, this is about the MySQL integer bigint, int, mediumint, smallint and tinyint syntax

1. Environmental statement System for CentOS 6.5 Need to install Mutt and MSMTP and can send mail Need to install Xtrabackup 2. Backup Scheme Function Module introduction650) this.width=650; "title=" MySQL backup

The following actions are performed under root1. Installing NginxA) download Nginx, Pcre, OpenSSL, zlib library, directly extracted to the/usr/local directory.b) After entering the zlib directory, execute chmod +x./configurec) Enter the Nginx

Through their own groping and online help to understand the VC + + with ADO connection MySQL database method:The method used is to use ADO to eventually reach MySQL by establishing an ODBC data source.1. Install MySQL database server program, also