{"id":723,"date":"2020-07-24T10:01:34","date_gmt":"2020-07-24T02:01:34","guid":{"rendered":"https:\/\/raksmart.cn\/blog\/?p=723"},"modified":"2020-07-24T10:01:51","modified_gmt":"2020-07-24T02:01:51","slug":"%e5%a6%82%e4%bd%95%e8%bf%90%e8%a1%8c%e4%b8%8e%e5%85%b3%e9%97%ad-mysql-%e6%9c%8d%e5%8a%a1%e5%99%a8","status":"publish","type":"post","link":"https:\/\/raksmart.cn\/blog\/server\/723.html","title":{"rendered":"\u5982\u4f55\u8fd0\u884c\u4e0e\u5173\u95edMySQL\u670d\u52a1\u5668"},"content":{"rendered":"\n

\u9996\u5148\u68c0\u67e5MySQL\u670d\u52a1\u5668<\/a><\/strong>\u662f\u5426\u6b63\u5728\u8fd0\u884c\u3002\u53ef\u4ee5\u4f7f\u7528\u4e0b\u5217\u547d\u4ee4\u6765\u786e\u8ba4\u8fd9\u4e00\u70b9\uff1a<\/p>\n\n\n\n

ps -ef | grep mysqld<\/p>\n\n\n\n

\u5982\u679c MySQL \u6b63\u5728\u8fd0\u884c\uff0c\u5728\u4e0a\u8ff0\u547d\u4ee4\u7684\u8fd0\u884c\u7ed3\u679c\u4e2d\u5c31\u80fd\u770b\u5230 mysqld \u8fdb\u7a0b\u3002\u5982\u679c\u670d\u52a1\u5668\u6ca1\u6709\u8fd0\u884c\uff0c\u4f7f\u7528\u4e0b\u5217\u547d\u4ee4\u6765\u542f\u52a8\u5b83\uff1a<\/p>\n\n\n\n

root@host# cd \/usr\/bin<\/p>\n\n\n\n

.\/safe_mysqld &<\/p>\n\n\n\n

\u5982\u679c\u60f3\u5173\u95ed\u6b63\u5728\u8fd0\u884c\u7684MySQL\u670d\u52a1\u5668\uff0c\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\u5373\u53ef\uff1a<\/p>\n\n\n\n

root@host# cd \/usr\/bin<\/p>\n\n\n\n

.\/mysqladmin -u root -p shutdown<\/p>\n\n\n\n

Enter password: ******<\/p>\n\n\n\n

\u5efa\u7acb MySQL \u7528\u6237\u8d26\u53f7<\/p>\n\n\n\n

\u6dfb\u52a0\u65b0\u7684 MySQL \u7528\u6237\uff0c\u53ea\u9700\u5728\u6570\u636e\u5e93 mysql \u7684 user \u8868\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u65b0\u9879\u5373\u53ef\u3002<\/p>\n\n\n\n

\u5728\u4ee5\u4e0b\u8303\u4f8b\u4e2d\uff0c\u6dfb\u52a0\u4e86\u4e00\u4e2a\u65b0\u7528\u6237guest\uff0c\u8be5\u7528\u6237\u5177\u6709 SELECT\u3001INSERT\u3001UPDATE \u6743\u9650\uff0c\u5bc6\u7801\u662f guest123\u3002SQL \u67e5\u8be2\u5982\u4e0b\uff1a<\/p>\n\n\n\n

root@host# mysql -u root -p<\/p>\n\n\n\n

Enter password:*******<\/p>\n\n\n\n

mysql> use mysql;<\/p>\n\n\n\n

Database changed<\/p>\n\n\n\n

mysql> INSERT INTO user<\/p>\n\n\n\n

(host, user, password,<\/p>\n\n\n\n

select_priv, insert_priv, update_priv)<\/p>\n\n\n\n

VALUES (‘localhost’, ‘guest’,<\/p>\n\n\n\n

PASSWORD(‘guest123’), ‘Y’, ‘Y’, ‘Y’);<\/p>\n\n\n\n

Query OK, 1 row affected (0.20 sec)<\/p>\n\n\n\n

mysql> FLUSH PRIVILEGES;<\/p>\n\n\n\n

Query OK, 1 row affected (0.01 sec)<\/p>\n\n\n\n

mysql> SELECT host, user, password FROM user WHERE user = ‘guest’;<\/p>\n\n\n\n

+———–+———+——————+<\/p>\n\n\n\n

| host | user | password |<\/p>\n\n\n\n

+———–+———+——————+<\/p>\n\n\n\n

| localhost | guest | 6f8c114b58f2ce9e |<\/p>\n\n\n\n

+———–+———+——————+<\/p>\n\n\n\n

1 row in set (0.00 sec)<\/p>\n\n\n\n

\u5728\u6dfb\u52a0\u65b0\u7528\u6237\u65f6\uff0c\u8bb0\u4f4f\u8981\u7528MySQL\u63d0\u4f9b\u7684PASSWORD() \u51fd\u6570\u5bf9\u8be5\u7528\u6237\u7684\u5bc6\u7801\u8fdb\u884c\u52a0\u5bc6\u5904\u7406\u3002\u5982\u4e0a\u4f8b\u6240\u793a\uff0c\u5bc6\u7801 mypass \u88ab\u52a0\u5bc6\u6210\u4e866f8c114b58f2ce9e\u3002<\/p>\n\n\n\n

\u6ce8\u610f\u8fd9\u91cc\u6240\u7528\u7684FLUSH PRIVILEGES \u8bed\u53e5\u3002\u5b83\u8ba9\u670d\u52a1\u5668\u91cd\u65b0\u52a0\u8f7d\u6388\u6743\u8868\u3002\u5982\u679c\u4e0d\u4f7f\u7528\u5b83\uff0c\u5c31\u81f3\u5c11\u5f97\u7b49\u5230\u670d\u52a1\u5668\u91cd\u65b0\u542f\u52a8\u540e\uff0c\u624d\u80fd\u4f7f\u7528\u65b0\u7528\u6237\u8d26\u53f7\u8fde\u63a5mysql\u3002<\/p>\n\n\n\n

\u4f60\u4e5f\u53ef\u4ee5\u4e3a\u65b0\u7528\u6237\u6307\u5b9a\u5176\u4ed6\u6743\u9650\uff0c\u5728\u6267\u884cINSERT \u67e5\u8be2\u65f6\uff0c\u5c06\u7528\u6237\u8868\u4e2d\u7684\u4e0b\u9762\u8fd9\u4e9b\u5217\u7684\u503c\u90fd\u8bbe\u4e3a \u2018Y\u2019\uff0c\u6216\u8005\u4f7f\u7528UPDATE \u67e5\u8be2\u7a0d\u540e\u5bf9\u5b83\u4eec\u8fdb\u884c\u66f4\u65b0\u3002<\/p>\n\n\n\n

Select_priv<\/p>\n\n\n\n

Insert_priv<\/p>\n\n\n\n

Update_priv<\/p>\n\n\n\n

Delete_priv<\/p>\n\n\n\n

Create_priv<\/p>\n\n\n\n

Drop_priv<\/p>\n\n\n\n

Reload_priv<\/p>\n\n\n\n

Shutdown_priv<\/p>\n\n\n\n

Process_priv<\/p>\n\n\n\n

File_priv<\/p>\n\n\n\n

Grant_priv<\/p>\n\n\n\n

References_priv<\/p>\n\n\n\n

Index_priv<\/p>\n\n\n\n

Alter_priv<\/p>\n\n\n\n

\u53e6\u5916\u4e00\u79cd\u6dfb\u52a0\u7528\u6237\u8d26\u53f7\u7684\u65b9\u5f0f\u662f\u4f7f\u7528 SQL\u547d\u4ee4 GRANT\u3002\u4e0b\u9762\u8fd9\u4e2a\u4f8b\u5b50\u5c06\u5728\u6570\u636e\u5e93 TUTORIALS \u4e0a\u6dfb\u52a0\u4e00\u4e2a\u540d\u4e3a zara \u7684\u65b0\u7528\u6237\uff0c\u5176\u5bc6\u7801\u4e3a \nzara123\u3002\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n

root@host# mysql -u root -p password;<\/p>\n\n\n\n

Enter password:*******<\/p>\n\n\n\n

mysql> use mysql;<\/p>\n\n\n\n

Database changed<\/p>\n\n\n\n

mysql> GRANT SELECT,INSERT,UPDATE,DELETE,CREATE,DROP<\/p>\n\n\n\n

-> ON TUTORIALS.*<\/p>\n\n\n\n

-> TO ‘zara’@’localhost’<\/p>\n\n\n\n

-> IDENTIFIED BY ‘zara123’;<\/p>\n\n\n\n

\u8fd9\u4f1a\u5728 mysql \u6570\u636e\u5e93\u7684 user \u8868\u4e2d\u521b\u5efa\u4e00\u4e2a\u9879\u3002<\/p>\n\n\n\n

\u6ce8\u610f\uff1a\u5982\u679c SQL \u547d\u4ee4\u4e0d\u4ee5\u5206\u53f7(;)\u7ed3\u675f\u7684\u8bdd\uff0cMySQL \u5c31\u4e0d\u4f1a\u7ec8\u6b62\u8fd9\u4e2a\u547d\u4ee4\u3002<\/p>\n\n\n\n

\u914d\u7f6e \/etc\/my.cnf \u6587\u4ef6<\/p>\n\n\n\n

\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u6839\u672c\u7528\u4e0d\u5230\u8fd9\u4e2a\u6587\u4ef6\u3002\u9ed8\u8ba4\u72b6\u6001\u4e0b\uff0c\u5b83\u5e94\u8be5\u5305\u542b\u5982\u4e0b\u9879\uff1a<\/p>\n\n\n\n

[mysqld]<\/p>\n\n\n\n

datadir=\/var\/lib\/mysql<\/p>\n\n\n\n

socket=\/var\/lib\/mysql\/mysql.sock<\/p>\n\n\n\n

[mysql.server]<\/p>\n\n\n\n

user=mysql<\/p>\n\n\n\n

basedir=\/var\/lib<\/p>\n\n\n\n

[safe_mysqld]<\/p>\n\n\n\n

err-log=\/var\/log\/mysqld.log<\/p>\n\n\n\n

pid-file=\/var\/run\/mysqld\/mysqld.pid<\/p>\n\n\n\n

\u5728\u8fd9\u91cc\uff0c\u53ef\u4ee5\u4e3a error log \u66f4\u6362\u4e0d\u540c\u7684\u76ee\u5f55\u3002\u53e6\u5916\uff0c\u4e0d\u8981\u66f4\u6539\u8fd9\u5f20\u8868\u4e2d\u7684\u5176\u4ed6\u9879\u3002<\/p>\n\n\n\n

\u7528\u4e8e\u7ba1\u7406 MySQL \u7684\u4e00\u4e9b\u547d\u4ee4<\/p>\n\n\n\n

\u4e0b\u9762\u5217\u51fa\u4e86\u4e00\u4e9b\u91cd\u8981\u4e14\u7ecf\u5e38\u4f1a\u7528\u5230\u7684MySQL\u547d\u4ee4\uff1a<\/p>\n\n\n\n

USE Databasename \u7528\u4e8e\u5728MySQL\u5de5\u4f5c\u533a\u5185\u9009\u62e9\u5177\u4f53\u67d0\u4e2a\u6570\u636e\u5e93\u3002<\/p>\n\n\n\n

SHOW DATABASES \u5217\u51fa MySQL DBMS \u6240\u80fd\u8bbf\u95ee\u7684\u6570\u636e\u5e93\u3002<\/p>\n\n\n\n

SHOW TABLES \u4e00\u65e6\u6570\u636e\u5e93\u88ab use \u547d\u4ee4\u9009\u4e2d\uff0c\u663e\u793a\u6570\u636e\u5e93\u4e2d\u7684\u8868\u3002<\/p>\n\n\n\n

SHOW COLUMNS FROM tablename \u663e\u793a\u8868\u7684\u5c5e\u6027\u3001\u5c5e\u6027\u7c7b\u578b\u3001\u952e\u4fe1\u606f\u3001\u662f\u5426\u5141\u8bb8 NULL \u503c\uff0c\u9ed8\u8ba4\u503c\uff0c\u4ee5\u53ca\u5176\u4ed6\u4e00\u4e9b\u4fe1\u606f\u3002<\/p>\n\n\n\n

SHOW INDEX FROM tablename \u663e\u793a\u8868\u4e2d\u6240\u6709\u7d22\u5f15\u7684\u7ec6\u8282\u4fe1\u606f\uff0c\u5305\u62ecPRIMARY KEY\u3002<\/p>\n\n\n\n

SHOW TABLE STATUS LIKE tablename\\G \u62a5\u544aMySQL DBMS\u7684\u6027\u80fd\u53ca\u7edf\u8ba1\u7684\u7ec6\u8282\u4fe1\u606f\u3002\u66f4\u591a\u7684\u76f8\u5173\u5185\u5bb9\u53ef\u4ee5\u9605\u8bfb\u600e\u4e48\u64cd\u4f5cMYSQL\u6570\u636e\u5e93<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u9996\u5148\u68c0\u67e5MySQL\u670d\u52a1\u5668\u662f\u5426\u6b63\u5728\u8fd0\u884c\u3002\u53ef\u4ee5\u4f7f\u7528\u4e0b\u5217\u547d\u4ee4\u6765\u786e\u8ba4\u8fd9\u4e00\u70b9\uff1a ps -ef | grep m… \u7ee7\u7eed\u9605\u8bfb \u5982\u4f55\u8fd0\u884c\u4e0e\u5173\u95edMySQL\u670d\u52a1\u5668<\/span><\/i><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[117],"aioseo_notices":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/raksmart.cn\/blog\/wp-json\/wp\/v2\/posts\/723"}],"collection":[{"href":"https:\/\/raksmart.cn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/raksmart.cn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/raksmart.cn\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/raksmart.cn\/blog\/wp-json\/wp\/v2\/comments?post=723"}],"version-history":[{"count":2,"href":"https:\/\/raksmart.cn\/blog\/wp-json\/wp\/v2\/posts\/723\/revisions"}],"predecessor-version":[{"id":726,"href":"https:\/\/raksmart.cn\/blog\/wp-json\/wp\/v2\/posts\/723\/revisions\/726"}],"wp:attachment":[{"href":"https:\/\/raksmart.cn\/blog\/wp-json\/wp\/v2\/media?parent=723"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/raksmart.cn\/blog\/wp-json\/wp\/v2\/categories?post=723"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/raksmart.cn\/blog\/wp-json\/wp\/v2\/tags?post=723"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}