MySQL

Operating system file limit size causes MYSQL ERROR 1194 (HY000): Table is marked as crashed and should being repaired problem handling Colleague Feedback Application Report error when executing query for a table ERROR 1194 (HY000): Table

Many friends want to configure the Apache+php+mysql running Environment under window, in fact, from such a long experience, Win2003 still use IIS, if in order to learn or for Apache especially familiar with the friend can use Apachea preparation1

1, Reason: because of MySQL to connect the client DNS reverse resolution 2, disable DNS resolution, add Skip-name-resolve 3 in/etc/my.cnf,reverse parsing instructions: The so-called inverse parsing is this:When MySQL receives the

first, easy installation#yum install-y mysql-server MySQL mysql-develIf the installation package conflict is reported:File/usr/share/mysql/ukrainian/errmsg.sys from install of mysql-server-5.5.18-1.rhel5.i386 conflicts with file from Package

This is my personal use of web-based articles to learn MySQL process notes, I hope to be helpful to everyone.1. Defualt Key WordsCREATE TABLE emp(id INT DEFAULT 12)2. Set the self-growth column (auto_increment)create table temp2( id INT primary

Ibatis is the predecessor of MyBatis, which is an open source persistence layer framework. At its core, sqlmap--maps the entity bean to the relational database, separating the business code from the writing of the SQL statement. Ibatis is the

Test environment:Red Hat Enterprise Linux Server release 6.3 (Santiago)Server Version:5.6.22-log MySQL Community Server (GPL)I built 1 Master 3 from the environment, ready to test the MHA architecture, the process found that when testing concurrent

Exporting a MySQL table to Excel is not as difficult as "MySQL" Importing an Excel table into one of the MySQL tables (click to open the link).Enter the following T-SQL statements directly:SELECT * from a table into outfile ' file path 'For example,

When a warning with not FOUND (no data) is encountered, a conditional handle containing a clear warning statement is used to process the program and exit the handle. This issue was resolved after the MySQL5.6.3 version, so the workaround is not

This article shows the four isolation levels of MySQL transactions through an example.1 Conceptual description1) Read UNCOMMITTED (read not submitted)Other transactions are aware of the current transaction under uncommitted changes.2) Read Committed

Memory table:1, through the MY.CNF in the max_heap_table_size designation, support dynamic designation2, the table definition is stored on the disk, the extension is. frm, the restart is not lost, the data is stored in memory, so the restart will

Transferred from: http://793404905.blog.51cto.com/6179428/1615550This article shows the four isolation levels of MySQL transactions through an example.1 Conceptual description1) Read UNCOMMITTED (read not submitted)Other transactions are aware of

1, stop MySQL service, uninstall MySQL2, delete the installation directory and data storage directoryNote:Default installation path: C:\Program Files\mysql (not necessarily in the C drive to see which disk you are installing)Database File storage

Original: High-performance MySQL main memory architectureMySQL Replication(master and Slave Fundamentals and Configuration) master-Slave MySQL working principle:1: Process:(1) MySQL Replication (replication) is an asynchronous replication that

Original address: http://www.cnblogs.com/RicCC/archive/2009/09/25/mysql.htmlStorage Engine Attribute MyISAM Heap BDB InnoDB Transactions No No Yes Yes Lock

14. Advanced Junction TableUsing aliasesMysql> SelectUid asU,name asN,msg asM fromPw_luck;+----+-----------+------+|U|N|M|+----+-----------+------+| 0 |Wilson| - || 1 |Zhangsan| - || 2 |Lisi| 1001 || 3 |Wang5| 1001 || 7 |Zhangsan7| + || 8

In the construction of the whole WAMP environment, the essential work is as follows:1, the configuration system to PHP DLL files can be called by default.Under WinDOS, there are two ways to use the DLL file system by default in the calling state.The

class If there is a reply table for a post, posts (ID, TID, subject, message, Dateline), ID for the auto-grow field, tid for the reply's subject post ID (Foreign key Association), subject for reply title, ME Ssage to reply to the content, Dateline

One. mysql command-line mode settings:Desktop, My Computer, properties, environment variables, newPath= "; path\mysql\bin;" Where path is the installation path for MySQL.Two. A simple introduction to the command line into the MySQL

They are stored in different ways and data are retrieved differently.Data retrieval efficiency is: char > VarChar > TextSpace occupancy, it is necessary to specifically analyze the specific situation. Char: It is convenient to store the