Window下mysql環境配置問題整理

本文**：

無需安裝解壓版mysql包

建立選項配置

首次啟動服務

用mysqld初始化目錄

安裝後設定和測試

啟動服務錯誤資訊

管理員模式開啟cmd

mysqld install

net start mysql

mysql服務無法啟動

解決辦法

刪除mysql安裝主目錄下的data目錄下所有檔案

mysqld --initialize --console

c:\windows\system32> mysqld --initizlize --console

mysqld: can't change dir to 'd:\program files\mysql-8.0.12-winx64\data\' (os errno 2 - no such file or directory)
2018-08-17t01:54:27.145772z 0 [system] [my-010116] [server] d:\program files\mysql-8.0.12-winx64\bin\mysqld.exe (mysqld 8.0.12) starting as process 17876
2018-08-17t01:54:27.148482z 0 [warning] [my-010091] [server] can't create test file d:\program files\mysql-8.0.12-winx64\data\desktop-set72re.lower-test
2018-08-17t01:54:27.148571z 0 [warning] [my-010091] [server] can't create test file d:\program files\mysql-8.0.12-winx64\data\desktop-set72re.lower-test
2018-08-17t01:54:27.149798z 0 [error] [my-010172] [server] failed to set datadir to d:\program files\mysql-8.0.12-winx64\data\
2018-08-17t01:54:27.169994z 0 [error] [my-010119] [server] aborting
2018-08-17t01:54:27.172048z 0 [system] [my-010910] [server] d:\program files\mysql-8.0.12-winx64\bin\mysqld.exe: shutdown complete (mysqld 8.0.12)  mysql community server - gpl.

mysqld --initialize --user=root --console

c:\windows\system32>mysqld --initialize --user=root --console

2018-08-17t03:06:51.636920z 0 [system] [my-013169] [server] d:\program files\mysql-8.0.12-winx64\bin\mysqld.exe (mysqld 8.0.12) initializing of server in progress as process 7832
2018-08-17t03:06:54.218851z 5 [note] [my-010454] [server] a temporary password is generated for root@localhost: yacuodqg/6mn
2018-08-17t03:06:55.288246z 0 [system] [my-013170] [server] d:\program files\mysql-8.0.12-winx64\bin\mysqld.exe (mysqld 8.0.12) initializing of server has completed

mysqld install

c:\windows\system32>mysqld install

service successfully installed.

net start mysql

c:\windows\system32>net start mysql

mysql 服務正在啟動 .
mysql 服務已經啟動成功。

如登陸不上，需要執行net stop mysql,

然後重新執行下mysqld --initialize --user=root --console

mysql -u root -p

c:\windows\system32>mysql -u root -p

enter password: ************
welcome to the mysql monitor.  commands end with ; or \g.
your mysql connection id is 8
server version: 8.0.12
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>

alter user 'root'@'localhost' identified by 'fjdoe13232'; mysql執行語句一定要以;結尾。切記。

mysql>  alter user 'root'@'localhost' identified by 'fjdoe13232

';query ok, 0 rows affected (0.11 sec)

show databases;

mysql> show databases;

+--------------------+
| database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| sys                |
+--------------------+
4 rows in set (0.01 sec)
mysql>

create database 資料庫;

mysql> create database ustest;

query ok, 1 row affected (0.03 sec)
mysql> show databases;
+--------------------+
| database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| sys                |
| ustest             |
+--------------------+
5 rows in set (0.00 sec)
mysql> use ustest;
database changed

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