mysql decompressed version installation

first step:

My Computer -> Properties -> Advanced -> Environment Variables

Select PATH and add: the path of your mysql bin folder (eg: C:\Program Files\MySQL\MySQL Server 5.6\bin )

PATH=.......;C:\Program Files\MySQL\MySQL Server 5.6\bin

Step 2:

Create a new my.ini file in the installation directory

==========================

[client]

default-character-set=utf8

[mysqld]

port=3306

basedir="E:/myfile/myjava/tools/mysql-5.7.22-winx64"

datadir="E:/myfile/myjava/tools/mysql-5.7.22-winx64/data"

tmpdir="E:/myfile/myjava/tools/mysql-5.7.22-winx64/data"

socket="E:/myfile/myjava/tools/mysql-5.7.22-winx64/mysql.sock"

log-error="E:/myfile/myjava/tools/mysql-5.7.22-winx64/data/mysql_error.log"


#server_id = 2

#skip-locking

max_connections=100

table_open_cache=256

query_cache_size=1M

tmp_table_size=32M

thread_cache_size=8


default-storage-engine=MYISAM
innodb_data_home_dir="E:/myfile/myjava/tools/mysql-5.7.22-winx64/data/"

innodb_flush_log_at_trx_commit =1

innodb_log_buffer_size=128M

innodb_buffer_pool_size=128M

innodb_log_file_size=10M

innodb_thread_concurrency=16

innodb-autoextend-increment=1000

join_buffer_size = 128M

sort_buffer_size = 32M

read_rnd_buffer_size = 32M

max_allowed_packet = 32M

explicit_defaults_for_timestamp=true

sql-mode="STRICT_TRANS_TABLES,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION"

sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

skip-grant-tables

============================

third step:

Create a new data folder in the mysql root directory. Make sure that data is an empty folder before installation.

Type mysqld --initialize

Then enter mysqld --install

Success will show Servers Successfully installed

Enter net start mysql in the console to start the mysql service

 

the fourth step:

Close Mysql. 2. Run mysqld --skip-grant-tables 3. Open another command window and run mysql to change the password 
UPDATE user SET authentication_string=PASSWORD("root") where USER="root";
mysql -u root -p

 

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