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  • Windows下面安装和配置MySQL(5.6.20)

    1.首先到http://dev.mysql.com/ 上下载windows版mysql5.6免安装zip包。然后将zip包解压到D:mysql-5.6.20-winx64下。

    2.复制mysql下的my-default.ini, 在同目录下创建my.ini. my.ini为mysql的配置。最简单的配置:

    1 basedir=D:/mysql-5.6.20-winx64
    2 datadir=D:/mysql-5.6.20-winx64/data
    base config

    我的配置为:

     1 # For advice on how to change settings please see
     2 # http://dev.mysql.com/doc/refman/5.6/en/server-configuration-defaults.html
     3 # *** DO NOT EDIT THIS FILE. It's a template which will be copied to the
     4 # *** default location during install, and will be replaced if you
     5 # *** upgrade to a newer version of MySQL.
     6 
     7 [mysqld]
     8 character-set-server=utf8
     9 
    10 # Remove leading # and set to the amount of RAM for the most important data
    11 # cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
    12 # innodb_buffer_pool_size = 128M
    13 
    14 # Remove leading # to turn on a very important data integrity option: logging
    15 # changes to the binary log between backups.
    16 # log_bin
    17 
    18 # These are commonly set, remove the # and set as required.
    19 # basedir = .....
    20 # datadir = .....
    21 # port = .....
    22 # server_id = .....
    23 basedir=D:/mysql-5.6.20-winx64
    24 datadir=D:/mysql-5.6.20-winx64/data
    25 port=13306
    26 
    27 character-set-server=utf8
    28 default-storage-engine=INNODB
    29 innodb_data_home_dir=D:/mysql-5.6.20-winx64/data
    30 innodb_data_file_path=ibdata1:12M:autoextend
    31 innodb_log_group_home_dir=D:/mysql-5.6.20-winx64/data
    32 
    33 innodb_buffer_pool_size=10240M
    34 innodb_log_file_size=4G
    35 # Remove leading # to set options mainly useful for reporting servers.
    36 # The server defaults are faster for transactions and fast SELECTs.
    37 # Adjust sizes as needed, experiment to find the optimal values.
    38 # join_buffer_size = 128M
    39 # sort_buffer_size = 2M
    40 # read_rnd_buffer_size = 2M 
    41 
    42 # sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES 
    my.ini

    还可以在my.ini中增加lower_case_table_names=1(默认linux是区分表名大小写的,加上这句话表示在linux下不区分表名大小写)

    mysql : Lock wait timeout exceeded; try restarting transaction

    原因是你使用的InnoDB表类型的时候,
    默认参数:innodb_lock_wait_timeout设置锁等待的时间是50s,
    因为有的锁等待超过了这个时间,所以抱错.你可以把这个时间加长,或者优化存储过程,事务避免过长时间的等待.

    #innodb_lock_wait_timeout = 50
    innodb_lock_wait_timeout = 500 改成500秒

    3.设置环境变量PATH。将D:mysql-5.6.20-winx64in加入path中。

    4.CMD下面尝试启动mysqld --console,并将后台log输出在屏幕。

    5.注册mysql为windows service. 以后可以使用windows service来安装mysqld和卸载mysqld的服务.

    安装MySQL服务,一定要进入D:mysql-5.6.20-winx64in目录执行安装

    mysqld install

    卸载MySQL服务

    mysqld remove

    6.进入服务管理器

    7.启动MySQL服务

    8.net start mysql 启动mysql服务,net stop mysql 停止mysql服务

    9.也可以使用mysqladmin命令关闭mysql服务。

    10.使用root用户登录mysql数据库

    如果MySQL的连接端口不是默认的3306,可以使用下面的命令

    mysql -P13306 -u root -p

    指定MySQL连接端口13306

    如果MySQL的连接服务器IP不是本机或者用户名不支持本机登陆,可以使用下面的命令

    mysql -h机器名或IP地址 -P13306 -u root -p

    11.显示数据库文件存放路径和所有数据库

    show global variables like "%datadir%"; --查看数据库文件存放路径
    show databases;  --显示所有数据库

    12.修改root帐户的登陆密码1234:

    GRANT ALL ON *.* TO 'root'@'localhost' IDENTIFIED BY '1234';

    q 退出MySQL

    13.创建数据库需要指定中文编码方式

    14.查看MySQL存储引擎

    show engines;

    15.创建mysql远程连接用户,设置最大权限和登陆密码。

    GRANT ALL ON *.* TO 'sa'@'%' IDENTIFIED BY '1234' WITH GRANT OPTION;

    还有一些测试mysql安装的命令:

    最后设置打开死锁开关的命令:

    set global innodb_print_all_deadlocks=on

    查看开关是否已经打开的命令:

    show variables like 'innodb_print_all_deadlocks'

    skip-grant-tables:非常有用的mysql启动参数

    在my.cnf文件中增加一行:

    skip-grant-tables

    或者以命令行参数启动mysql:

    /usr/bin/mysqld_safe --skip-grant-tables &

    登陆mysql

    mysql

    修改管理员密码:

    1 use mysql;
    2 update user set password=password('1234') where user='root';
    3 flush privileges;
    4 exit;

    重启mysql

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  • 原文地址:https://www.cnblogs.com/qiyebao/p/3887055.html
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