search
HomeDatabaseMysql TutorialMySQL 安装和基本命令

开发使用的TOMCAT 版本5.0.28 开发使用的MYSQL数据库mysql-5.0.22 MYSQL数据库开发工具Navicat_MySQL JDK1.4

开发使用的TOMCAT 版本5.0.28
开发使用的MYSQL数据库mysql-5.0.22
MYSQL数据库开发工具Navicat_MySQL
JDK1.4

基础工作:

1.配置环境变量 JDK环境变量:JAVA_HOME
  TOMCAT环境变量:CATALINA_HOME
  MYSQL环境变量:MYSQL_HOME
 
遇到的问题:

MYSQL安装耗费时间较长

MYSQL基本命令:

安装过程

1、解压缩mysql-noinstall-5.0.37-win32.zip到一个目录,加入解压缩到E:\myserver目录。

2、编写mysql的运行配置文件my.ini
my.ini
-----------------------------
[WinMySQLAdmin]
# 指定mysql服务启动启动的文件
Server=E:\\myserver\\mysql-5.0.37-win32\\bin\\mysqld-nt.exe

[mysqld]
# 设置mysql的安装目录
basedir=E:\\myserver\\mysql-5.0.37-win32
# 设置mysql数据库的数据的存放目录,必须是data,或者是\\xxx\data
datadir=E:\\myserver\\mysql-5.0.37-win32\\data
# 设置mysql服务器的字符集
default-character-set=gbk

[client]
# 设置mysql客户端的字符集
default-character-set=gbk
-----------------------------

3、安装mysql服务
从MS-DOS窗口进入目录E:\myserver\mysql-5.0.37-win32\bin,运行如下命令:
mysqld --install mysql5 --defaults-file= E:\myserver\mysql-5.0.37-win32\my.ini

4、启动mysql数据库
还在上面的命令窗口里面,输入命令:net start mysql5
这样就启动了mysql服务。

5、(本地)登录mysql数据库
还在上面的命令窗口里面,输入命令:mysql -u root -p
回车后提示输入密码。
mysql解压缩版初次安装管理员root的密码为空,因此直接再回车一次就登入mysql数据库了。

如果你不是初次登录mysql,你还拥有网络地址的用户,那么你可以用如下命令登录到mysql服务器,这个mysql服务器也许在远方,也许在本地。这种登录方式叫“远程登录”,,命令如下:
mysql -h 192.168.3.143 -u root -p
mysql -h 192.168.3.143 -u root -pleizhimin

-h是指定登录ip,-u指定用户,-p指定密码,-p后如果什么都不写,那么接下来会提示输入密码,-p后也可以直接写上密码,这样就不再需要输入密码了。

6、操作数据库和表
登录mysql数据库后,就可以执行指定操作数据库,用命令:use 数据库名
指定了操作的数据库对象后,就可以操作数据库中的表了,操作方法当然是SQL命令了,呵呵。

7、更改mysql数据库管理员root的密码
mysql数据库中默认有个mysql数据库,这个是mysql系统的数据库,用来保存数据库用户、权限等等很多信息。要更改密码,就要操作mysql数据库的user表。

现在mysql的root用户密码还为空,很不安全的,假设要更改密码为“leizhimin”。

还在上面的命令窗口里面,执行如下命令:
use mysql;
grant all on *.* to root@'%' identified by 'leizhimin' with grant option;
commit;

这段命令的含义是,添加一个root用户,拥有所有的权限,密码为“leizhimin”,并且这个用户不但可以本地访问,也可以通过网络访问。强调这个原因是mysql系统自带的的那个root用户只能从本地访问,它@字符后面的标识是localhost。具体可以查看mysql数据的uer表看看,这样以来,就有两个root用户了,一个是系统原来的,一个新建的,为了管理的方便,就将mysql自带root删除,保留刚创建的这个root用户,原因是这个用户可以通过网络访问mysql。

linux

Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
What are the different storage engines available in MySQL?What are the different storage engines available in MySQL?Apr 26, 2025 am 12:27 AM

MySQLoffersvariousstorageengines,eachsuitedfordifferentusecases:1)InnoDBisidealforapplicationsneedingACIDcomplianceandhighconcurrency,supportingtransactionsandforeignkeys.2)MyISAMisbestforread-heavyworkloads,lackingtransactionsupport.3)Memoryengineis

What are some common security vulnerabilities in MySQL?What are some common security vulnerabilities in MySQL?Apr 26, 2025 am 12:27 AM

Common security vulnerabilities in MySQL include SQL injection, weak passwords, improper permission configuration, and unupdated software. 1. SQL injection can be prevented by using preprocessing statements. 2. Weak passwords can be avoided by forcibly using strong password strategies. 3. Improper permission configuration can be resolved through regular review and adjustment of user permissions. 4. Unupdated software can be patched by regularly checking and updating the MySQL version.

How can you identify slow queries in MySQL?How can you identify slow queries in MySQL?Apr 26, 2025 am 12:15 AM

Identifying slow queries in MySQL can be achieved by enabling slow query logs and setting thresholds. 1. Enable slow query logs and set thresholds. 2. View and analyze slow query log files, and use tools such as mysqldumpslow or pt-query-digest for in-depth analysis. 3. Optimizing slow queries can be achieved through index optimization, query rewriting and avoiding the use of SELECT*.

How can you monitor MySQL server health and performance?How can you monitor MySQL server health and performance?Apr 26, 2025 am 12:15 AM

To monitor the health and performance of MySQL servers, you should pay attention to system health, performance metrics and query execution. 1) Monitor system health: Use top, htop or SHOWGLOBALSTATUS commands to view CPU, memory, disk I/O and network activities. 2) Track performance indicators: monitor key indicators such as query number per second, average query time and cache hit rate. 3) Ensure query execution optimization: Enable slow query logs, record and optimize queries whose execution time exceeds the set threshold.

Compare and contrast MySQL and MariaDB.Compare and contrast MySQL and MariaDB.Apr 26, 2025 am 12:08 AM

The main difference between MySQL and MariaDB is performance, functionality and license: 1. MySQL is developed by Oracle, and MariaDB is its fork. 2. MariaDB may perform better in high load environments. 3.MariaDB provides more storage engines and functions. 4.MySQL adopts a dual license, and MariaDB is completely open source. The existing infrastructure, performance requirements, functional requirements and license costs should be taken into account when choosing.

How does MySQL's licensing compare to other database systems?How does MySQL's licensing compare to other database systems?Apr 25, 2025 am 12:26 AM

MySQL uses a GPL license. 1) The GPL license allows the free use, modification and distribution of MySQL, but the modified distribution must comply with GPL. 2) Commercial licenses can avoid public modifications and are suitable for commercial applications that require confidentiality.

When would you choose InnoDB over MyISAM, and vice versa?When would you choose InnoDB over MyISAM, and vice versa?Apr 25, 2025 am 12:22 AM

The situations when choosing InnoDB instead of MyISAM include: 1) transaction support, 2) high concurrency environment, 3) high data consistency; conversely, the situation when choosing MyISAM includes: 1) mainly read operations, 2) no transaction support is required. InnoDB is suitable for applications that require high data consistency and transaction processing, such as e-commerce platforms, while MyISAM is suitable for read-intensive and transaction-free applications such as blog systems.

Explain the purpose of foreign keys in MySQL.Explain the purpose of foreign keys in MySQL.Apr 25, 2025 am 12:17 AM

In MySQL, the function of foreign keys is to establish the relationship between tables and ensure the consistency and integrity of the data. Foreign keys maintain the effectiveness of data through reference integrity checks and cascading operations. Pay attention to performance optimization and avoid common errors when using them.

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Tools

VSCode Windows 64-bit Download

VSCode Windows 64-bit Download

A free and powerful IDE editor launched by Microsoft

DVWA

DVWA

Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software

Atom editor mac version download

Atom editor mac version download

The most popular open source editor

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

mPDF

mPDF

mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),