MySQL

Original output:[email protected] ~]# mysql-p ' cat/data/save/mysql_root ' pro_manager-e ' select Erlang_script,sql_script,file_ List from oms_hotswap_plan\g '-sn*************************** 1. Row ***************************u:u ([util]).u:u

1: Use the show statement to find out what database currently exists on the server:Mysql> SHOW DATABASES;2:2. Create a database Mysqldatamysql> CREATE DATABASE Mysqldata;3: Select the database you createdmysql> use Mysqldata; (press ENTER to appear

C:\users\administrator>mysql-h localhost-p 3390-uroot-p (-p followed by port number, P is capital letter) Enter Password: *********welcome to The MySQL Monitor. Commands End With; or \g.your MySQL connection ID is 55Server version:5.6.21-log

When connecting to the MySQL database server, sometimes the client will report 2003 error code, and prompt: Unable to connect to the server, but the server can ping, the possible reasons are as follows:1. The network does not pass.Check to be able

Then use SQLYOG for data SQL import, error, after viewing the log to find the error code:MySQL Server is offlineAfter the query was discovered when the MySQL setup problem.Open MySQL config file My.ini (Linux for my.cnf), add or modify

This article mainly refer to:http://369369.blog.51cto.com/319630/790921/and correcting errors in the textOther reference content:http://blog.csdn.net/hguisu/article/details/7325124http://pengranxiang.iteye.com/blog/1141118Recommended Documents:Http:/

Overview?? Essentially, a computer recognizes only binary code, so that, regardless of the computer program or the data it processes, it must eventually be converted to binary code to be recognized by the computer. Each text symbol is encoded for

1, added password after the login format as follows: Mysql-u root-p2. Modify Login Password1) mysqladmin-u username-p Old password password new passwordExample: mysqladmin-u root password 21centuryNote: Because Root does not have a password at the

View operating system-related information. [Email protected]_db1 ~]# Cat/etc/issuecentos Release 6.5 (Final) Kernel \ r on an \m[[email protected]_db1 ~]# Uname-ali Nux bj_db1 2.6.32-431.el6.x86_64 #1 SMP Fri (03:15:09 UTC) x86_64 x86_64 x86_64

Simple expression. MyISAM is a non-transactional storage engine. InnoDB is a storage engine that supports transactions. The InnoDB engine is more suitable for applications with more insert and update operations The MyISAM is suitable for

The index in MySQL is divided into 3 types:1, PRIMARY key index: that is, the primary key when the unique index2, General index: implemented in B-tree and hash table3, Full-text index: the implementation principle is similar to inverted index,

Beginner MySQL, feel SQL statement is still a bit more, here do some basic MySQL notes, in case forget.1. Connection database: mysql-h hostname-u username-pThe default is to connect to the local database, so the above can be abbreviated as:mysql-u

1. Basic usageIn: The subsequent subquery returns the result set, in other words the execution order is not the same as exists (). The subquery first produces the result set, and then the main query goes to the result set to find the list of fields

Install Zabbix today, after the installation is complete, the top tips are as follows650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/5D/19/wKiom1Uh8DfBemroAABJXRKhz7c091.jpg "title=" 1.png " alt= "Wkiom1uh8dfbemroaabjxrkhz7c091.jpg"/>The

set MySQL remote connection root permissions2010-11-04 14:20:31|  Category: Databases | Tags: system Management | Report | Font size Subscription In the remote connection to MySQL should have encountered, the root user can not connect to

MySQL suddenly failed to use the following symptoms:[[email protected] ok]# mysqlERROR1045(28000): Access denied forUser'Root'@'localhost'(using Password:no)[[email protected] OK] # mysql -uroot- PEnter password:error1045(28000): Access denied

? Create a tableCREATE table ' database '. ' Table ' (' ID ' INT (one) not NULL auto_increment COMMENT ' comment ',' Type_name ' VARCHAR (+) CHARACTER SET UTF8 COLLATE utf8_bin not NULL COMMENT ' comment ',' Kid ' INT (one) notnull COMMENT ' notes ',

In the process of doing the project, will inevitably encounter clearly to MySQL set up an index, but the query is still very slow situation, the following we will be specific analysis of the reasons for this situation and solutions:Indexes do not

In MySQL, indexes are implemented in the storage engine, so the indexes in each storage engine are implemented differently. This section is mainly about learning the most common index types in the InnoDB storage Engine: Clustered index and B-tree

Comparison between two methods for connecting php to MySQL and phpmysql Record two methods for connecting PHP to MySQL. First mock the data, you can execute the SQL. /* Create database */create database if not exists 'test';/* select DATABASE */USE '