MySQL

MySQL master-Slave synchronization configuration under CentOSFirst, the environmentHost:Master Operating system: CentOS 5.3ip:192.168.1.222MySQL version: 5.0.77Slave machine:Slave operating system: CentOS 5.3ip:192.168.1.220MySQL version:

Directory:1. Brief description2. History3. Similar Products4. Advantages and Disadvantages5. mysql Storage engine6. mysql Architecture1. Brief descriptionMySQL is a relational database management system. Its small size, fast speed, development of

Here is the use of mysqlbackup, which can then be downloaded in NuGet.Can not solve the problem of view ungrateful error, only the table with the data is appropriate, if there is a view embedded view, please refer to the MySQL backup

Explain shows how MySQL uses indexes to process SELECT statements and join tables. Can help select better indexes and write more optimized query statements.Using the method, add explain to the SELECT statement:Such as:Explain select

Install MySQL with Yum under Linux1. InstallationSee if you have installed:Yum List installed mysql*Rpm-qa | grep mysql*To see if there are any installation packages:Yum List mysql*To install the MySQL client:Yum install MySQLTo install the MySQL

Remember to read someone said that the current software is basically connected to the database, if a software is not linked to the database, basically no effect. Although this statement is slightly one-sided, but the database of the importance of

User :MySQL user does not have a relationship with the operating systemUser-exposed, password-encrypted encryption method: password functionUser account:User name @ HostUser name: within 16 charactersHost:Host name: www.benet.com, MySQLip:192.168.1.1

The previous article on the entry to the difficult things, bloggers recently installed MySQL software, the following look at the installation of MySQL. Download the MySQL software installation program, my is in the Baidu Software center download,

Received a task in recent days, to the online database to make a master-slave backup ~Personal is a database small white, usually is the most conditional search this, received this task a little startled, but the task is the task, because, the task

1. InstallationSee if you have installed:Yum List installed mysql*Rpm-qa | grep mysql*To see if there are any installation packages:Yum List mysql*To install the MySQL client:Yum install MySQLTo install the MySQL server side:Yum Install

MySQL There are a variety of storage engines, MyISAM and InnoDB are two of the most common. Here are some basic concepts about these two engines (not in-depth introduction). MyISAM based on the traditional ISAM type, full-text search is supported,

Type Space occupied by storage(no matter how many bits are displayed)(Unit byte/bytes) Storing data ranges Maximum display length tinyint 1 -128 ~ 127 Signed0 ~ 255 Unsigned 3   Smaillint

This is a continuation of the last part of the story to continue to say.4.InnoDB data page structurepage is the smallest disk unit of the INNODB Storage engine management database. A page of page type B-tree node holds the actual data for the rows

SELECT x (location), Y (location) from frddata.points;This article will show you how to use the spatial database in mysql5.x and demonstrate its efficient performance (if used correctly).This article is suitable for people who are familiar with SQL

Mysql, relational database;Hbase,nosql database.Query MySQL and query hbase, which speed is it fast?When discussing with some real Daniel, they say that HBase writes up to 1W per second. HBase's ideal speed is 10W per second.An experiment shows that

Basic command: (SQL semicolon end, remember, remember)Login mysql:mysql-h ip-u User name-p or mysql-u user name-p passwordView database: show databases;//Many databases, so databases(where Information_schema/mysql/perfornance_schema data cannot be

Previous post: I want to Google Mysql, relational database;Hbase,nosql database.Query MySQL and query hbase, which speed is it fast?When discussing with some real Daniel, they say that HBase writes up to 1W per second. HBase's ideal speed is 10

Java obtains the name of the table in the database, and java obtains the database. I. Java method// Obtain the names of all tables in the current database.Java code Public void getTableNameByCon (Connection con ){ Try { DatabaseMetaData meta =

Step 6 of automated MySQL5.6 deploymentBefore preparation, you must set up ftpserver. yum install vsftpd service vsftpd start In this way, the ftp service is up. It is simple to use, so no configuration file is used. In this way, you only need to

Work Summary: mysql uses strings as query Conditions Preface: I encountered a problem during mysql query today. The scenario is like this. Assume that one of my tables has a field scode (indicating the product number ), then there is a string that