MySQL

1. Sudo apt-get install mysql-server, input Administrator password, ' 123 '2. Enter MySQL promot command line, ' mysql-u root-p ', input password3. Create DATABASE "CREATE database xoops;"4. Consent to root remote login: From all hosts: Grant all

Original: MySQL supports table name capitalization under Windows, Lower_case_table_namesMySQL By default in Windows is not the case of table name, that is, table name casing is not sensitive.Camel-style table names created with phpMyAdmin are all

1. Import toDatabaseAfter you create an empty databasego to MySQL installation directory under bin(1) Import command mysql-u root–p password database name mysql-u root–yb Ajswlw(2) You can use the source commandmysql> use AJSWLWL;Mysql>source

MySQL's knowledge interview is often asked, simple use seems unable to meet the interviewer's requirements, a lot of questions about the MySQL storage engine, so here still need to learn some knowledge of MySQL, the interview process.MySQL

last_insert_idAutomatically returns the first occurrence of the last INSERT or UPDATE action set for the Auto_increment column. Refer hereThe ID is generated are maintained in the server on a per-connection basis.LAST_INSERT_ID is based on a single

A primerIn the official MySQL manual there is this sentence:The optimizer can estimate the row count for each range using dives into the index or index statistics.This is said: The optimizer for each range segment (such as "A In (10, 20, 30)" is an

First stop the MySQL service: Sudo/etc/init.d/mysql stop To modify a MySQL configuration file: sudo gedit/etc/mysql/my.cnf Locate the client configuration [clients] below to add #默认字符集为utf8default-character-set=utf8 Find [mysqld] Add

Learn PHP Development to configure a variety of environments, the general use of Apache as a server, MySQL database. How to quickly configure the environment to become troubled everyone's troubles, before they have been, more cumbersome.Recently

For business reasons, you can't keep logs for a fixed number of days, and you can't have the disk space station full, so you can only delete binlog manually.Using the Purge command that comes with MySQLPURGE MASTER LOGS to ' mysql-bin.000002 ';

System environmentSystem version: centos6.4-x86.64Software Environmentmysql-5.5.27EnvironmentRole IP AddressMysql-master 192.168.1.10 (Mysql external service IP)192.168.1.11 (Master-Slave synchronization IP ) MySql-Slave        192.168.1.20 (

Low_priority, low-priorityUPDATE [low_priority] tbl_name SET col_name1=expr1,col_name2=expr2,... MySQL update with low_priority lets update not lock the table MySQL allows you to change the priority of statement scheduling, which allows queries from

MySQL master-Slave synchronization common exception and recovery method 1. General exception only need to skip one step to recover >slave stop; >set GLOBAL sql_slave_skip_counter = 1; >slave start; 2. The last Bin-log log of the main library is

Many of the previous textbooks were written MyISAM is the default storage engine for MySQL, In fact, since the beginning of mysql5.5, the default storage engine has changed to become InnoDB, because innodb in many aspects have irreplaceable function,

After the installation of MySQL has not been configured, and then each time using the local connection, today do the test using the IP address, and then dropped the chain, has encountered before, is not a LONG memory!!!!! Error

When installing, be sure to use the Centos6.4 disc as a Yum source, otherwise the version of the problematic OpenSSL may be used1, first to install GCC gcc-c++ OpenSSL and other dependent modules:Yum-y install make GCC gcc-c++ kernel-devel M4

/path/mysqldumpslow-s c-t 10/database/mysql/slow-logThis outputs 10 SQL statements with the highest number of records, where: -S, is the way to indicate the sort, C, T, L, R are in accordance with the number of records, time, query time, the

First, why do you want to back up?Disaster recoveryChange in demandTestIi. Pre-consideration issuesHow long can you tolerate the loss of data?How long will it take to complete the recovery?Is there a need for continuous service?What do I need to

Install and uninstall MySQL under Ubuntu14.04, and ubuntu14.04mysqlInstall MysQL It is relatively simple to install MySQL in Ubuntu14.04. Just run the following command: 1. Enter sudo apt-get install mysql-server 2. After the execution continues,

Debugging record of MySQL storage function error [Err] 1064 1. An error is reported when a user creates a storage function. Create definer = 'root' @ 'localhost' FUNCTION 'stuff '( 2. Check whether the function is Enabled: Check whether

Conflict between MySQL field names and reserved words and Solutions Problem: Conflicts between MySQL field names and reserved words often occur in actual operations. Com. mysql. jdbc. exceptions. jdbc4.MySQLSyntaxErrorException. Solution: in MySQL,