{"id":1603,"date":"2022-11-19T17:19:56","date_gmt":"2022-11-19T09:19:56","guid":{"rendered":"https:\/\/qaqaq.top\/?p=1603"},"modified":"2022-11-28T20:04:48","modified_gmt":"2022-11-28T12:04:48","slug":"%e7%94%a8%e6%88%b7%e7%9a%84%e5%88%9b%e5%bb%ba_%e4%bf%ae%e6%94%b9_%e5%88%a0%e9%99%a4%e3%80%81%e7%94%a8%e6%88%b7%e5%af%86%e7%a0%81%e7%9a%84%e8%ae%be%e7%bd%ae%e5%92%8c%e7%ae%a1%e7%90%86%e3%80%81%e6%9d%83","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=1603","title":{"rendered":"\u7528\u6237\u7684\u521b\u5efa_\u4fee\u6539_\u5220\u9664\u3001\u7528\u6237\u5bc6\u7801\u7684\u8bbe\u7f6e\u548c\u7ba1\u7406\u3001\u6743\u9650\u7ba1\u7406\u4e0e\u8bbf\u95ee\u63a7\u5236\u3001\u89d2\u8272\u7684\u4f7f\u7528\u3001\u914d\u7f6e\u6587\u4ef6\u3001\u7cfb\u7edf\u53d8\u91cf"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code># \u7b2c03\u7ae0_\u7528\u6237\u4e0e\u6743\u9650\u7ba1\u7406\n\n# 1. \u7528\u6237\u7ba1\u7406\n\n# \u521b\u5efa\u7528\u6237\n\nUSE mysql;\n\nSELECT * FROM user;\n\nCREATE USER 'zhang3' IDENTIFIED BY '123456';\n\nSELECT Host,User FROM user;\n\nCREATE USER 'zhang3' IDENTIFIED BY '123456';\n\nCREATE USER 'zhang3'@'localhost' IDENTIFIED BY '123456';\n\nSELECT Host,User FROM user;\n\nCREATE USER 'li4'@'%' IDENTIFIED BY '123456';\n\nSELECT Host,User FROM user;\n\n# \u4fee\u6539\u7528\u6237\n\nUPDATE user SET User = 'wang5' WHERE User = 'li4' AND Host = '%';\n\nFLUSH PRIVILEGES;\n\nSELECT Host,User FROM user;\n\n# \u5220\u9664\u7528\u6237\n\nDROP USER 'wang5';\n\nDROP USER 'zhang3'@'localhost';\n\nSELECT Host,User FROM user;\n\n# \u8bbe\u7f6e\u5f53\u524d\u7528\u6237\u5bc6\u7801\n\n# \u4f7f\u7528ALTER USER\u547d\u4ee4\u6765\u4fee\u6539\u5f53\u524d\u7528\u6237\u5bc6\u7801\nALTER USER USER() IDENTIFIED BY '123456..';\n\nALTER USER USER() IDENTIFIED BY '123456';\n\n# \u4f7f\u7528SET\u8bed\u53e5\u6765\u4fee\u6539\u5f53\u524d\u7528\u6237\u5bc6\u7801\nSET PASSWORD = '123456..';\n\nSET PASSWORD = '123456';\n\n\nUSE mysql;\n\nDESC user;\n\nSELECT Host,User,authentication_string FROM user;\n\n# \u4fee\u6539\u5176\u5b83\u7528\u6237\u5bc6\u7801\n\nALTER USER 'zhang3'@'%' IDENTIFIED BY 'hello';\n\nSET PASSWORD FOR 'zhang3'@'%' = '123456';\n\n# 2. \u6743\u9650\u7ba1\u7406\n\n# \u6743\u9650\u5217\u8868\n\n# \uff081\uff09 CREATE\u548cDROP\u6743\u9650 \uff0c\u53ef\u4ee5\u521b\u5efa\u65b0\u7684\u6570\u636e\u5e93\u548c\u8868\uff0c\u6216\u5220\u9664\uff08\u79fb\u6389\uff09\u5df2\u6709\u7684\u6570\u636e\u5e93\u548c\u8868\u3002\n# \u5982\u679c\u5c06MySQL\u6570\u636e\u5e93\u4e2d\u7684DROP\u6743\u9650\u6388\u4e88\u67d0\u7528\u6237\uff0c\u7528\u6237\u5c31\u53ef\u4ee5\u5220\u9664MySQL\u8bbf\u95ee\u6743\u9650\u4fdd\u5b58\u7684\u6570\u636e\u5e93\u3002\n# \uff082\uff09SELECT\u3001INSERT\u3001UPDATE\u548cDELETE\u6743\u9650 \u5141\u8bb8\u5728\u4e00\u4e2a\u6570\u636e\u5e93\u73b0\u6709\u7684\u8868\u4e0a\u5b9e\u65bd\u64cd\u4f5c\u3002\n# \uff083\uff09 SELECT\u6743\u9650\u53ea\u6709\u5728\u5b83\u4eec\u771f\u6b63\u4ece\u4e00\u4e2a\u8868\u4e2d\u68c0\u7d22\u884c\u65f6\u624d\u88ab\u7528\u5230\u3002\n# \uff084\uff09 INDEX\u6743\u9650 \u5141\u8bb8\u521b\u5efa\u6216\u5220\u9664\u7d22\u5f15\uff0cINDEX\u9002\u7528\u4e8e\u5df2\u6709\u7684\u8868\u3002\u5982\u679c\u5177\u6709\u67d0\u4e2a\u8868\u7684CREATE\u6743\u9650\uff0c\n# \u5c31\u53ef\u4ee5\u5728CREATE TABLE\u8bed\u53e5\u4e2d\u5305\u62ec\u7d22\u5f15\u5b9a\u4e49\u3002\n# \uff085\uff09 ALTER\u6743\u9650 \u53ef\u4ee5\u4f7f\u7528ALTER TABLE\u6765\u66f4\u6539\u8868\u7684\u7ed3\u6784\u548c\u91cd\u65b0\u547d\u540d\u8868\u3002\n# \uff086\uff09 CREATE ROUTINE\u6743\u9650 \u7528\u6765\u521b\u5efa\u4fdd\u5b58\u7684\u7a0b\u5e8f\uff08\u51fd\u6570\u548c\u7a0b\u5e8f\uff09\uff0cALTER ROUTINE\u6743\u9650\u7528\u6765\u66f4\u6539\u548c\u5220\u9664\u4fdd\u5b58\u7684\u7a0b\u5e8f\uff0c\n# EXECUTE\u6743\u9650 \u7528\u6765\u6267\u884c\u4fdd\u5b58\u7684\u7a0b\u5e8f\u3002\n# \uff087\uff09 GRANT\u6743\u9650 \u5141\u8bb8\u6388\u6743\u7ed9\u5176\u4ed6\u7528\u6237\uff0c\u53ef\u7528\u4e8e\u6570\u636e\u5e93\u3001\u8868\u548c\u4fdd\u5b58\u7684\u7a0b\u5e8f\u3002\n# \uff088\uff09 FILE\u6743\u9650 \u4f7f\u7528\u6237\u53ef\u4ee5\u4f7f\u7528LOAD DATA INFILE\u548cSELECT ... INTO OUTFILE\u8bed\u53e5\u8bfb\u6216\u5199\u670d\u52a1\u5668\u4e0a\u7684\u6587\u4ef6\uff0c\n# \u4efb\u4f55\u88ab\u6388\u4e88FILE\u6743\u9650\u7684\u7528\u6237\u90fd\u80fd\u8bfb\u6216\u5199MySQL\u670d\u52a1\u5668\u4e0a\u7684\u4efb\u4f55\u6587\u4ef6\n# \uff08\u8bf4\u660e\u7528\u6237\u53ef\u4ee5\u8bfb\u4efb\u4f55\u6570\u636e\u5e93\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\uff0c\u56e0\u4e3a\u670d\u52a1\u5668\u53ef\u4ee5\u8bbf\u95ee\u8fd9\u4e9b\u6587\u4ef6\uff09\u3002\n\nSHOW PRIVILEGES;\n\n# \u6388\u4e88\u6743\u9650\u7684\u539f\u5219\n\n# \u6743\u9650\u63a7\u5236\u4e3b\u8981\u662f\u51fa\u4e8e\u5b89\u5168\u56e0\u7d20\uff0c\u56e0\u6b64\u9700\u8981\u9075\u5faa\u4ee5\u4e0b\u51e0\u4e2a \u7ecf\u9a8c\u539f\u5219 \uff1a\n# 1\u3001\u53ea\u6388\u4e88\u80fd \u6ee1\u8db3\u9700\u8981\u7684\u6700\u5c0f\u6743\u9650 \uff0c\u9632\u6b62\u7528\u6237\u5e72\u574f\u4e8b\u3002\u6bd4\u5982\u7528\u6237\u53ea\u662f\u9700\u8981\u67e5\u8be2\uff0c\n# \u90a3\u5c31\u53ea\u7ed9select\u6743\u9650\u5c31\u53ef\u4ee5\u4e86\uff0c\u4e0d\u8981\u7ed9\u7528\u6237\u8d4b\u4e88update\u3001insert\u6216\u8005delete\u6743\u9650\u3002\n# 2\u3001\u521b\u5efa\u7528\u6237\u7684\u65f6\u5019 \u9650\u5236\u7528\u6237\u7684\u767b\u5f55\u4e3b\u673a \uff0c\u4e00\u822c\u662f\u9650\u5236\u6210\u6307\u5b9aIP\u6216\u8005\u5185\u7f51IP\u6bb5\u3002\n# 3\u3001\u4e3a\u6bcf\u4e2a\u7528\u6237 \u8bbe\u7f6e\u6ee1\u8db3\u5bc6\u7801\u590d\u6742\u5ea6\u7684\u5bc6\u7801 \u3002\n# 4\u3001 \u5b9a\u671f\u6e05\u7406\u4e0d\u9700\u8981\u7684\u7528\u6237 \uff0c\u56de\u6536\u6743\u9650\u6216\u8005\u5220\u9664\u7528\u6237\u3002\n\n# \u6388\u4e88\u6743\u9650\n\n# \u7ed9\u7528\u6237\u6388\u6743\u7684\u65b9\u5f0f\u6709 2 \u79cd\uff0c\u5206\u522b\u662f\u901a\u8fc7\u628a \u89d2\u8272\u8d4b\u4e88\u7528\u6237\u7ed9\u7528\u6237\u6388\u6743 \u548c \u76f4\u63a5\u7ed9\u7528\u6237\u6388\u6743 \u3002\n# \u7528\u6237\u662f\u6570\u636e\u5e93\u7684\u4f7f\u7528\u8005\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u7ed9\u7528\u6237\u6388\u4e88\u8bbf\u95ee\u6570\u636e\u5e93\u4e2d\u8d44\u6e90\u7684\u6743\u9650\uff0c\u6765\u63a7\u5236\u4f7f\u7528\u8005\u5bf9\u6570\u636e\u5e93\u7684\u8bbf\u95ee\uff0c\n# \u6d88\u9664\u5b89\u5168\u9690\u60a3\u3002\n\nSHOW DATABASES;\n\nGRANT SELECT,UPDATE ON dbtest1.* TO 'zhang3'@'%';\n\nGRANT DELETE ON dbtest1.* TO 'zhang3'@'%';\n\nCREATE USER 'li4' IDENTIFIED BY '123456';\n\nGRANT ALL PRIVILEGES ON *.* TO 'li4'@'%';\n\n# \u6211\u4eec\u5728\u5f00\u53d1\u5e94\u7528\u7684\u65f6\u5019\uff0c\u7ecf\u5e38\u4f1a\u9047\u5230\u4e00\u79cd\u9700\u6c42\uff0c\u5c31\u662f\u8981\u6839\u636e\u7528\u6237\u7684\u4e0d\u540c\uff0c\u5bf9\u6570\u636e\u8fdb\u884c\u6a2a\u5411\u548c\u7eb5\u5411\u7684\u5206\u7ec4\u3002\n#     \u6240\u8c13\u6a2a\u5411\u7684\u5206\u7ec4\uff0c\u5c31\u662f\u6307\u7528\u6237\u53ef\u4ee5\u63a5\u89e6\u5230\u7684\u6570\u636e\u7684\u8303\u56f4\uff0c\u6bd4\u5982\u53ef\u4ee5\u770b\u5230\u54ea\u4e9b\u8868\u7684\u6570\u636e\uff1b\n#     \u6240\u8c13\u7eb5\u5411\u7684\u5206\u7ec4\uff0c\u5c31\u662f\u6307\u7528\u6237\u5bf9\u63a5\u89e6\u5230\u7684\u6570\u636e\u80fd\u8bbf\u95ee\u5230\u4ec0\u4e48\u7a0b\u5ea6\uff0c\u6bd4\u5982\u80fd\u770b\u3001\u80fd\u6539\uff0c\u751a\u81f3\u662f\u5220\u9664\u3002\n\n# \u67e5\u770b\u6743\u9650\n\nSHOW GRANTS;\n\n# \u6536\u56de\u6743\u9650\n\nREVOKE SELECT ON dbtest1.* FROM 'zhang3'@'%';\n\nREVOKE ALL PRIVILEGES ON *.* FROM 'li4'@'%';\n\nGRANT SYSTEM_USER ON *.* TO root@'%';\n\nREVOKE ALL PRIVILEGES ON *.* FROM 'li4'@'%';\n\n# 3. \u6743\u9650\u8868\n\nUSE mysql;\n\nSHOW TABLES;\n\nDESC user;\n\nSELECT Host,User,authentication_string FROM user;\n\n# user\u8868\nDESC user;\n\n# db\u8868\nDESC db;\n\n# tables_priv\u8868\nDESC tables_priv;\n\n# columns_priv\u8868\nDESC columns_priv;\n\n# 5. \u89d2\u8272\u7ba1\u7406\n\n# \u89d2\u8272\u7684\u7406\u89e3\n# \u5f15\u5165\u89d2\u8272\u7684\u76ee\u7684\u662f \u65b9\u4fbf\u7ba1\u7406\u62e5\u6709\u76f8\u540c\u6743\u9650\u7684\u7528\u6237 \u3002\u6070\u5f53\u7684\u6743\u9650\u8bbe\u5b9a\uff0c\u53ef\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u5b89\u5168\u6027\uff0c\u8fd9\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\n\n# \u521b\u5efa\u89d2\u8272\n\nCREATE ROLE 'manager'@'%';\n\nCREATE ROLE 'boss'@'%';\n\n# \u7ed9\u89d2\u8272\u8d4b\u4e88\u6743\u9650\n\nUSE dbtest1;\n\nSHOW TABLES;\n\nGRANT SELECT,UPDATE ON dbtest1.* TO 'manager';\n\nGRANT ALL PRIVILEGES ON *.* TO 'boss'@'%';\n\n# \u67e5\u770b\u89d2\u8272\u7684\u6743\u9650\n\nSHOW GRANTS FOR 'manager'@'%';\n\nSHOW GRANTS FOR 'boss';\n\n# \u56de\u6536\u89d2\u8272\u7684\u6743\u9650\n\nREVOKE UPDATE ON dbtest1.* FROM 'manager';\n\nSHOW GRANTS FOR 'manager';\n\n# \u5220\u9664\u89d2\u8272\n\nCREATE ROLE 'admin';\n\nDROP ROLE 'admin';\n\nSHOW GRANTS FOR 'admin';\n\n# \u7ed9\u7528\u6237\u8d4b\u4e88\u89d2\u8272\n\nUSE mysql;\n\nSELECT Host,User FROM user;\n\nCREATE USER 'wang5'@'%' IDENTIFIED BY '123456';\n\nGRANT 'manager'@'%' TO 'wang5'@'%';\n\nSHOW GRANTS FOR 'wang5';\n\n# \u6fc0\u6d3b\u89d2\u8272\n\nSET DEFAULT ROLE 'manager'@'%' TO 'wang5'@'%';\n\n# \u64a4\u9500\u7528\u6237\u7684\u89d2\u8272\n\nREVOKE 'manager'@'%' FROM 'wang5'@'%';\n\n\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[47],"class_list":["post-1603","post","type-post","status-publish","format-standard","hentry","category-mysql-code","tag-mysql"],"_links":{"self":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/1603"}],"collection":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1603"}],"version-history":[{"count":3,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/1603\/revisions"}],"predecessor-version":[{"id":1857,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/1603\/revisions\/1857"}],"wp:attachment":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1603"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1603"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}