使用命令行創(chuàng)建MySql數(shù)據(jù)庫(kù),首先要登錄MySql數(shù)據(jù)庫(kù)系統(tǒng)

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創(chuàng)建步驟如下:
Windows操作系統(tǒng)下,開始——運(yùn)行,打開"運(yùn)行"對(duì)話框,輸入cmd,點(diǎn)擊“確定”即可進(jìn)入DOS窗口,輸入登錄MySQL數(shù)據(jù)庫(kù)命令
mysql
-h
127.0.0.1
-u
root
-p
參數(shù)含義:
mysql是登錄數(shù)據(jù)庫(kù)的命令,-h
后面跟服務(wù)器的IP,由于本示例MySql服務(wù)器安裝在本地,因此IP地址為127.0.0.1;-u
后面跟用戶名,本示例采用
root用戶登錄;-p
后面跟登錄密碼。
輸入上述命令后回車,再輸入登錄密碼,一般默認(rèn)密碼是root
回車
成功登錄MySQL數(shù)據(jù)庫(kù)后就可以在DOS下使用SQL語(yǔ)句"create
database"創(chuàng)建數(shù)據(jù)庫(kù)了
mysqlcreate
database
要?jiǎng)?chuàng)建的新數(shù)據(jù)庫(kù)名;
MySql安裝
yum -y install libaio
wget
cd /usr/local/soft/mysql/src
mkdir ../5.7.24_3306 tar -xzvf mysql-5.7.24-linux-glibc2.12-x86_64.tar.gz -C ../5.7.24_3306 --strip-components 1
mkdir -p /usr/local/soft/mysql/5.7.24_3306/{run,data,logs,bin_log,sock,cert}
groupadd mysql useradd -r -g mysql -s /bin/false mysql
cd /usr/local/soft/mysql/5.7.24_3306/bin ./mysqld --initialize
--explicit_defaults_for_timestamp
--user=mysql
--basedir=/usr/local/soft/mysql/5.7.24_3306
--datadir=/usr/local/soft/mysql/5.7.24_3306/data
--lc_messages_dir=/usr/local/soft/mysql/5.7.24_3306/share
--lc_messages=en_US
2018-12-01T09:56:45.934627Z 0 [Warning] InnoDB: New log files created, LSN=45790
2018-12-01T09:56:46.056837Z 0 [Warning] InnoDB: Creating foreign key constraint system tables.
2018-12-01T09:56:46.127141Z 0 [Warning] No existing UUID has been found, so we assume that this is the first time that this server has been started. Generating a new UUID: 69d028f9-f54f-11e8-9c4a-00163e08e793.
2018-12-01T09:56:46.130249Z 0 [Warning] Gtid table is not ready to be used. Table 'mysql.gtid_executed' cannot be opened.
2018-12-01T09:56:46.131377Z 1 [Note] A temporary password is generated for root@localhost: sDdPx3.,oBi
cd /usr/local/soft/mysql/5.7.24_3306/bin ./mysql_ssl_rsa_setup --datadir=/usr/local/soft/mysql/5.7.24_3306/cert
修改證書權(quán)限為644
cd /usr/local/soft/mysql/5.7.24_3306/bin ./mysql -uroot -S /usr/local/soft/mysql/5.7.24_3306/sock/mysql.sock
use mysql;
update user set host = '%', authentication_string = password('123456') where user = 'root';
select host,user,authentication_string from user;
flush privileges;
grant all privileges on . to 'root'@'%';
flush privileges;
cat /etc/systemd/system/3306.service EOF
[Unit]
Description=MySQL 3306
Documentation=
After=network.target remote-fs.target nss-lookup.target
[Service]
Type=forking
PIDFile=/usr/local/soft/mysql/5.7.24_3306/run/mysql.pid
ExecStart=/usr/local/soft/mysql/5.7.24_3306/support-files/mysql.server start
ExecReload=/usr/local/soft/mysql/5.7.24_3306/support-files/mysql.server restart
ExecStop=/usr/local/soft/mysql/5.7.24_3306/support-files/mysql.server stop
PrivateTmp=true
[Install]
WantedBy=multi-user.target
EOF
systemctl enable 3306.service
1、
cd /usr/local/soft/mysql/5.7.24.3306/bin ./mysqld_safe --skip-grant-tables
cd /usr/local/soft/mysql/5.7.24.3306/bin ./mysqld_safe --skip-grant-tables --skip-networking
2、
./mysql -uroot -p -S /usr/local/soft/mysql/5.7.24.3306/sock/mysql.sock
3、
use mysql;
update mysql.user set authentication_string=password('123456') where user='root';
flush privileges;
mkdir -p /usr/local/soft/mysql/back/5.7.23_3306 cp -Rf /usr/local/soft/mysql/5.7.23_3306/* /usr/local/soft/mysql/back/5.7.23_3306
mkdir -p /usr/local/soft/mysql/back/5.7.24_3306 cp -Rf /usr/local/soft/mysql/5.7.24_3306/* /usr/local/soft/mysql/back/5.7.24_3306
CREATE USER 'sdyc'@'%' IDENTIFIED BY '123456';
GRANT SELECT, INSERT, UPDATE, DELETE, EXECUTE ON sd_data.* TO 'sdyc'@'%';
GRANT SELECT, INSERT, UPDATE, DELETE, EXECUTE ON card_data.* TO 'sdyc'@'%';
SHOW GRANTS FOR sdyc;
CREATE USER 'back'@'localhost' IDENTIFIED BY '123456';
GRANT SELECT, RELOAD, PROCESS, SHOW DATABASES, SUPER, LOCK TABLES, REPLICATION CLIENT ON . TO 'back'@'localhost'
SHOW GRANTS FOR back;
REVOKE SELECT, INSERT, UPDATE, DELETE, EXECUTE ON sd_data.* FROM 'sdyc'@'%';
方法/步驟
1
檢查電腦上是否安裝過MySQL服務(wù)
1.win + r 打開DOS窗口。
2.輸入services.msc,打開本地服務(wù)窗口。
3.查找是否存在MySQL服務(wù)是否存在。
請(qǐng)點(diǎn)擊輸入圖片描述
2
獲取MySQL安裝包
1.打開MySQL下載地址,MySQL官方下載地址。
2.選擇自己的安裝平臺(tái),這里選擇Microsoft Windows。
3.選擇合適的安裝包,進(jìn)入下載頁(yè)面,點(diǎn)擊下載即可獲取安裝包。
請(qǐng)點(diǎn)擊輸入圖片描述
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3
配置MySQL環(huán)境變量
1.將下載好的安裝包解壓到合適的目錄下。
2.配置MySQL環(huán)境變量,步驟如下:
計(jì)算機(jī)右鍵單擊-選擇屬性-高級(jí)系統(tǒng)配置-環(huán)境變量-選擇系統(tǒng)變量Path-選擇編輯-在變量值輸入框的末尾添加一個(gè)分號(hào),后面緊接著解壓后目錄-點(diǎn)擊確定。
請(qǐng)點(diǎn)擊輸入圖片描述
請(qǐng)點(diǎn)擊輸入圖片描述
4
生成MySQL數(shù)據(jù)目錄,即data目錄。打開DOS窗口,進(jìn)入到MySQL目錄下的bin目錄,執(zhí)行命令mysqld --initialize-insecure --user=mysql,此時(shí)在MySQL目錄下生成data目錄。
請(qǐng)點(diǎn)擊輸入圖片描述
請(qǐng)點(diǎn)擊輸入圖片描述
5
執(zhí)行Mysql安裝命令。打開DOS窗口,進(jìn)入到MySQL目錄下的bin目錄,執(zhí)行命令mysqld -install,此時(shí)界面提示服務(wù)安裝成功。
請(qǐng)點(diǎn)擊輸入圖片描述
6
啟動(dòng)Mysql服務(wù)。打開DOS窗口,進(jìn)入到MySQL目錄下的bin目錄,執(zhí)行命令net start MySQL,此時(shí)界面提示服務(wù)啟動(dòng)成功,此時(shí)安裝完畢。
請(qǐng)點(diǎn)擊輸入圖片描述
分享標(biāo)題:怎么命令安裝mysql,怎么命令安裝
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