When you remotely use the navicat for MYSQL client software to connect to MySQL DATA, 2003-can't connect to MySQL on '100. when 168.1.2 '(10061) error occurs, it is because MySQL does not allow remote connection.
The modification method is as
Usage of mysqltoolkit [memo] bitsCN.com
Mysql toolkit is a small plug-in used to monitor and analyze databases. it is usually used to call perl to analyze and compare the current environment and database. it is worth learning.
Oracle Database system user forgot password How to Do D: \ oracle \ ora92 \ bin> sqlplus/nolog SQL * Plus: Release 9.2.0.1.0-Production on Thursday August 16 11:32:22 2007 Copyright (c) 1982,200 2, oracle Corporation. all rights reserved. SQL>
1: Use the show statement to find out the current database on the server:Mysql> show databases;2. Create a database named mysqldataMysql> Create Database mysqldata;3: select the database you createdMysql> Use mysqldata; (when you press the Enter key
1. Start and exit
1. Go to MySQL: Start MySQL command line client (MySQL dos Interface) and enter the password for installation. The prompt is: mysql>
2. Exit MYSQL: Quit or exit
Ii. Database Operations 1. Create a database
Command: create
Here are several ways to manually issue the "create database" syntax for Oracle:
Extremely minimal manual database creation
OMF minimal manual create database syntax
Standard Oracle create database syntax
Extremely minimal manual database
1. Permission System introduction:
The implementation of the MySQL permission system is relatively simple. The relevant permission information is mainly stored in mysql. User, mysql. db, mysql. Host, mysql_table_priv, and mysql. column_priv tables.
MySql database is the first choice for Small and Medium-sized website back-end databases because it is free for non-commercial applications. website developers can build a "Linux + Apache + PHP + MySql" platform, which is the most cost-effective and
1. System ManagementConnect to MySQL (in MySQL/bin) mysql-H host address-u username-P MySQL 3306 127.0.0.1 RootExit MySQL Command exitChange Password (in MySQL/bin) mysqladmin-u username-P old Password New PasswordUser authorizationGrantselect
1. Check the character setSHOW VARIABLES WHERE variable_name like ' character\_set\_% ' OR variable_name like ' collation% ';2. mysql Character set settings• System Variables:–character_set_server: Default internal operation character
First, users
1, the use of SQL to create the user's syntax format is as follows:
Create user user_name--username/
[identified by password | externally | Globally as ' external_name ']--how to authenticate the user
, the authentication
Data Control Language (DCL)
permissions in MySQLIn MySQL, permissions are some of the system's default "nouns" (words), about 30, each of which indicates "what work can be done." Assigning permissions is equivalent to what a user can do. The main
first, start and exit
1, into MySQL: Start the MySQL Command line Client (MySQL's DOS interface), directly enter the installation of the password can be. The prompt at this point is:mysql>
2, Exit Mysql:quit or exit
Second, the library operation1.
system
# uname-a # View kernel/operating system/CPU information# head-n 1/etc/issue # View operating system version# cat/proc/cpuinfo # View CPU Information# hostname # View computer name# LSPCI-TV # list all PCI devices# LSUSB-TV # list all USB
13.4 MySQL User management1 Creating User1 UsersMysql> Grant All on * * to ' user1 ' @ ' 127.0.0.1 ' identified by ' 123456a ';Query OK, 0 rows affected (0.01 sec)Explain:Grant all permissions** XX library xx table, if it is MySQL library table can
New Method
We now add a ' username ' user with a password of ' password ', allowing it to access MySQL from outside.
1 Grant all on * to ' username ' identified by ' password ';
To view the user table content, enter select
User management of the MySQL database user and log management database1.mysql user account management user account [email protected] Username: Account name host: Which client host requests this account can create connection threads, which can be IP,
First, enter MySQL and exit MySQL1. Go to MySQL step: Open cmd command line first, command:c:\users\admin> mysql-h (domain name, can fill or not fill)-U (account)-p (password);When the connection succeeds, the following command jumps out:Connection
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
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