mysql5.7

my.ini

[mysql]
# 設置mysql客戶端默認字符集
default-character-set=utf8 
[mysqld]
#設置3306端口
port = 3306 
# 設置mysql的安裝目錄
basedir=D:\winApp\mysql-5.7.24-winx64
# 設置mysql數據庫的數據的存放目錄
datadir=D:\winApp\mysql-5.7.24-winx64\data
# 容許最大鏈接數
max_connections=200
# 服務端使用的字符集默認爲8比特編碼的latin1字符集
character-set-server=utf8
# 建立新表時將使用的默認存儲引擎
default-storage-engine=INNODB

 

#C:\Users\Administrator>mysqld   --remove  mysql
#Service successfully removed.
#
#C:\Users\Administrator>mysqld --initialize --user=mysql --console
#2018-11-15T10:34:38.528400Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is
# deprecated. Please use --explicit_defaults_for_timestamp server option (see doc
#umentation for more details).
#2018-11-15T10:34:39.423400Z 0 [Warning] InnoDB: New log files created, LSN=45790
#
#2018-11-15T10:34:39.733400Z 0 [Warning] InnoDB: Creating foreign key constraint
#system tables.
#2018-11-15T10:34:39.867400Z 0 [Warning] No existing UUID has been found, so we a
#ssume that this is the first time that this server has been started. Generating
#a new UUID: 0e7558c3-e8c2-11e8-9348-107b447f9b4a.
#2018-11-15T10:34:39.888400Z 0 [Warning] Gtid table is not ready to be used. Tabl
#e 'mysql.gtid_executed' cannot be opened.
#2018-11-15T10:34:42.721400Z 1 [Note] A temporary password is generated for root@
#localhost: S_Dwn?cZQ9a+    

#"C:\Program Files\MySQL\MySQL Server 5.7\mysqld" mysqld install MYSQL --defaults-file=D:\winApp\mysql-5.7.24-winx64\bin\my.ini

#D:\winApp\mysql-5.7.24-winx64\bin>mysqld --remove MYSQL
#Service successfully removed.
#
#D:\winApp\mysql-5.7.24-winx64\bin>mysqld --initialize --user=mysql --console
#2018-11-16T00:56:41.695000Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is
# deprecated. Please use --explicit_defaults_for_timestamp server option (see doc
#umentation for more details).
#2018-11-16T00:56:42.578000Z 0 [Warning] InnoDB: New log files created, LSN=45790
#
#2018-11-16T00:56:42.902000Z 0 [Warning] InnoDB: Creating foreign key constraint
#system tables.
#2018-11-16T00:56:43.081000Z 0 [Warning] No existing UUID has been found, so we a
#ssume that this is the first time that this server has been started. Generating
#a new UUID: 7be57493-e93a-11e8-aa59-107b447f9b4a.
#2018-11-16T00:56:43.109000Z 0 [Warning] Gtid table is not ready to be used. Tabl
#e 'mysql.gtid_executed' cannot be opened.
#2018-11-16T00:56:45.403000Z 1 [Note] A temporary password is generated for root@
#localhost: s(CUYMY=o4VL
#
#D:\winApp\mysql-5.7.24-winx64\bin>mysqld --install
#Service successfully installed.
#
#D:\winApp\mysql-5.7.24-winx64\bin>net start mysql
#MySQL 服務正在啓動 .
#MySQL 服務已經啓動成功。
#
#
#D:\winApp\mysql-5.7.24-winx64\bin>mysql -u root -p
#Enter password: ************
#Welcome to the MySQL monitor.  Commands end with ; or \g.
#Your MySQL connection id is 7
#Server version: 5.7.24
#
#Copyright (c) 2000, 2018, 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> set password=xuzhi;
#ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that
#corresponds to your MySQL server version for the right syntax to use near 'xuzhi
#' at line 1
#mysql> set password='xuzhi';
#Query OK, 0 rows affected (0.00 sec)

-----------------------------------------------------------------------------------------------------------------

mysql 數據庫java鏈接超時

mysql -u root -p
Enter password: *****
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 13
Server version: 5.7.24 MySQL Community Server (GPL)

Copyright (c) 2000, 2018, 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> use xcwork;
Database changed
mysql> use mysql
Database changed
mysql> show tables
    -> ;
+---------------------------+
| Tables_in_mysql           |
+---------------------------+
| columns_priv              |
| db                        |
| engine_cost               |
| event                     |
| func                      |
| general_log               |
| gtid_executed             |
| help_category             |
| help_keyword              |
| help_relation             |
| help_topic                |
| innodb_index_stats        |
| innodb_table_stats        |
| ndb_binlog_index          |
| plugin                    |
| proc                      |
| procs_priv                |
| proxies_priv              |
| server_cost               |
| servers                   |
| slave_master_info         |
| slave_relay_log_info      |
| slave_worker_info         |
| slow_log                  |
| tables_priv               |
| time_zone                 |
| time_zone_leap_second     |
| time_zone_name            |
| time_zone_transition      |
| time_zone_transition_type |
| user                      |
+---------------------------+
31 rows in set (0.00 sec)

mysql> select host from user;
+-----------+
| host      |
+-----------+
| localhost |
| localhost |
| localhost |
+-----------+
3 rows in set (0.00 sec)

mysql> update user set host ='%' where user ='root';
Query OK, 1 row affected (0.00 sec)
Rows matched: 1  Changed: 1  Warnings: 0

mysql> select host from user; +-----------+ | host      | +-----------+ | %         | | localhost | | localhost | +-----------+ 3 rows in set (0.00 sec)