engine myisam

In shell development, many times we need to operate MySQL database (for example: query data, export data, etc.), but we can not enter the MySQL command line environment, we need to simulate the environment of MySQL in the shell environment, the use

The scale of the social work pool is getting bigger, the query speed of MSSQL is not enough, instead of full-text search, the effect is good, the whole library is around 650G, index 160G, full-text search response time within 5 seconds.The main

First, let's talk about why the tables are divided.When a piece of data reaches millions of, you spend more time searching for it, and if you have a joint query, I think it's possible to die there. The purpose of the sub-table is to reduce the

1. DescriptionWhen you delete all data for a table with auto_increment columns:(1) For the MyISAM table, the delete table in all data without any risk, random toss;(2) for the InnoDB table, in the Delete table all the data, it is possible to risk,

Original: MySQL basic to library table operationslook at all the libraries , What do I do ?Mysql>show databases;Select a library statement : Use library nameCreate a database : Create database name [CharSet Character set ]Delete a database : drop

MySQL sub-table method:Method One, do the database cluster! Master-Slave database bidirectional hot backup (or one-to-many database real-time backup strategy), which can allocate database queries to several servers (can be combined with server load

CREATE TABLE tab1 (id INT auto_increment not NULL PRIMARY key,ename VARCHAR (), birthdate DATE) Engine=myisam; CREATE TABLE tab2 (id INT auto_increment not NULL PRIMARY key,ename VARCHAR (), birthdate DATE) Engine=myisam; CREATE TABLE tab3 (id INT

A table was built today with a column that is the timestamp type, and I meant that when the data is updated, the time of this field will be updated automatically. Cruised does not know much about this type of value, causing an error. This field is

Method 1;Log in to MySQL, do set names latin1 first;The premise is that your created table is the (Engine=myisam DEFAULT charset=latin1) latin1 character set.If your watch is GBK, set names GBK;This method is temporary, that is, each time you log in

MySQL partition experimentBrief:I. Partitioning by partition typeII. Administrative Divisionexamples of partitions and non-partitioned tablesfirst, establish the partition to hash partition for example(1), non-linear hash partition1. Test table

I increased the database content to million records yesterday, and found that the database was quite slow to update the database. I used the command to view more than N waiting information in mysql status, next I will introduce how to solve the slow

These days have been engaged in OAuth2.0 things, write SDK what, in order to more in-depth understanding of the service side of the OAuth authentication mechanism, I built a PHP under the OAuth environment, and transplanted it into their own

The TYPEMyISAMTYPEMyISAM and ENGINEMyISAM statements after the create statement are used to set the database storage ENGINE. (in earlier versions, MySQL uses TYPE instead of ENGINE (for example, TYPEMYISAM ). MySQL5.1 supports this syntax for

After the mysql connection is established, set the encoding as follows:Copy codeThe Code is as follows:Mysql_query ("SET character_set_connection = ". $ GLOBALS ['charset']. ", character_set_results = ". $ GLOBALS ['charset']. ",

Today, when we were dealing with bugs, we found another strange problem. when we set mysql encoding to gbk, we found the created table, when the table structure, whether it is a field or table structure description, is Chinese, the table structure

Use PHP to execute. SQL files. Demo. php: Copy the code as follows :? Php *** reads the SQL file and writes it to the database * @ version1.01demo. php * classDBManager {var $ dbHost; var $ dbUser; var $ dbPasswor Demo. php: The code is as follows:

Provides various official and user-released code examples. For code reference, you are welcome to learn thinkPHP 3.1.3 Auth permission modification edition. Only data in the rule table can be verified! This is my issue:

Building OAuth2.0 services based on the ThinkPHP framework has been engaged in OAuth2.0 stuff over the past few days, writing SDK stuff, in order to gain a deeper understanding of the server's OAuth Authentication mechanism, I built a php OAuth

Build OAuth2.0 service based on thinkphp framework These days have been engaged in OAuth2.0 things, write SDK what, in order to more in-depth understanding of the service side of the OAuth authentication mechanism, I built a PHP under the OAuth

Yii quick learning tutorial (5) ------ user authorization   1. Configure/config/Main. php 'Components' => array ('Authmanager' => array ('Class' => 'cdbauthmanager ','Connectionid' => 'db'), : 2. Create the required data table. authitem (Operation