windows中Mysql5.7如何绿色安装
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1.1 下载
http://dev.mysql.com/downloads/mysql/ 下载地址,在下拉框中选择相应的版本
1.2 安装
下载下来的绿色安装包，直接解压为E:\mysql
1.3 编辑my.ini文件，
将mydefault.ini copy一份出来，就该其中的参数.
在mysqld中加入如下内容
basedir="E:\mysql\"
datadir="E:\mysql\data"
port=3306
#skip-grant-tables
E:\mysql\bin>mysqld --initialize
2016-09-06T13:57:01.349392Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is
deprecated. Please use --explicit_defaults_for_timestamp server option (see doc
umentation for more details).
2016-09-06T13:57:01.353393Z 0 [ERROR] --initialize specified but the data direct
ory has files in it. Aborting.
2016-09-06T13:57:01.354393Z 0 [ERROR] Aborting
出现了如上错误，是由于之前在 data文件夹中有文件导致的，删掉data下所有的文件，重新执行mysqld.exe –initialize命令ok
E:\mysql\bin>mysqld.exe --initialize
E:\mysql\bin>mysqld.exe --install
Service successfully installed.
E:\mysql\bin>net start mysql
MySQL 服务正在启动 .
MySQL 服务已经启动成功。
E:\mysql\bin>mysql -h localhost -u root -p
Enter password: ****
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: Y
ES)
1.4修改密码
没办法修改密码吧
在mysqld下加入
skip-grant-tables
E:\mysql\bin>net stop mysql
MySQL 服务正在停止.
MySQL 服务已成功停止。
E:\mysql\bin>net start mysql
MySQL 服务正在启动 .
MySQL 服务已经启动成功。
E:\mysql\bin>mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.14 MySQL Community Server (GPL)
Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql>
mysql> update user set password=password("mysql") where user="root";
ERROR 1054 (42S22): Unknown column 'password' in 'field list'
出现这个错误是由于mysql 5.7后password栏位变成authentication_string
mysql> update user set authentication_string=password("mysql") where user="root"
;
Query OK, 1 row affected, 1 warning (0.10 sec)
Rows matched: 1 Changed: 1 Warnings: 1
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
mysql> quit
Bye
将my.ini中的skip-grant-tables注释掉，重启mysql服务
E:\mysql\bin>mysql -h localhost -u root -p
Enter password: *****
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.14
Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> show databases;
ERROR 1820 (HY000): You must reset your password using ALTER USER statement befo
re executing this statement.
mysql> alter user 'root'@'localhost' identified by 'mysql';
Query OK, 0 rows affected (0.00 sec)
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| sys |
+--------------------+
4 rows in set (0.00 sec)
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