{"id":17345,"date":"2025-05-16T08:58:08","date_gmt":"2025-05-16T00:58:08","guid":{"rendered":"https:\/\/92it.top\/?p=17345"},"modified":"2025-05-16T08:58:48","modified_gmt":"2025-05-16T00:58:48","slug":"%e4%b8%80%e6%9d%a1sql%e6%9f%a5%e8%af%a2%e8%af%ad%e5%8f%a5%e6%98%af%e5%a6%82%e4%bd%95%e6%89%a7%e8%a1%8c%e7%9a%84","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=17345","title":{"rendered":"\u4e00\u6761SQL\u67e5\u8be2\u8bed\u53e5\u662f\u5982\u4f55\u6267\u884c\u7684"},"content":{"rendered":"\n

\u8f6c\u8f7d\uff1a\u4e00\u6761SQL\u67e5\u8be2\u8bed\u53e5\u662f\u5982\u4f55\u6267\u884c\u7684<\/a><\/p>\n\n\n\n

\u4f5c\u4e3a\u4e00\u540d java \u540e\u7aef\u7a0b\u5e8f\u5458\uff0cMySQL \u5e94\u8be5\u662f\u63a5\u89e6\u6700\u591a\u7684\u6570\u636e\u5e93\u4e4b\u4e00\uff0c\u589e\u5220\u6539\u67e5(CRUD) \u66f4\u662f\u5bf9 MySQL \u7684\u5e38\u89c4\u64cd\u4f5c\u3002\u5f53\u4f60\u5728\u7f16\u5199\u4e00\u6761\u67e5\u8be2\u8bed\u53e5\u65f6\uff0c\u4f60\u6709\u597d\u5947\u8fc7\uff1a\u8fd9\u6761SQL\u67e5\u8be2\u8bed\u53e5\u662f\u5982\u4f55\u6267\u884c\u7684\u5417\uff1f\u54ea\u4e9b\u73af\u8282\u4f1a\u5f71\u54cd\u8bed\u53e5\u7684\u67e5\u8be2\u6548\u7387\uff1f\u4eca\u5929\u6211\u4eec\u5c31\u6765\u6252\u4e00\u6252 SQL \u67e5\u8be2\u8bed\u53e5\u7684\u6267\u884c\u6d41\u3002<\/p>\n\n\n\n

1. MySQL \u67b6\u6784\u793a\u610f\u56fe<\/strong><\/p>\n\n\n\n

\n\n\n\n

MySQL \u662f\u5178\u578b\u7684 C\/S \u67b6\u6784\uff0cSQL \u6574\u4e2a\u6267\u884c\u6d41\u7a0b\u5305\u62ec\uff1a\u5ba2\u6237\u7aef\uff0cServer \u5c42\u548c\u5b58\u50a8\u5f15\u64ce\u5c42 \u4e09\u90e8\u5206\u3002<\/p>\n\n\n

\n
\"\"<\/figure><\/div>\n\n\n

\u5907\u6ce8\uff1aC\/S \u67b6\u6784\uff0cC\u662f\u6307Client\u5ba2\u6237\u7aef\uff0cS\u662f\u6307Server\u670d\u52a1\u7aef\u3002<\/p>\n\n\n\n

2. \u6a21\u5757\u5206\u6790<\/strong><\/p>\n\n\n\n

\n\n\n\n

2.1 \u5ba2\u6237\u7aef<\/strong><\/p>\n\n\n\n

\u5ba2\u6237\u7aef\u662f\u6307\u8fde\u63a5\u4f7f\u7528 MySQL \u7684\u7ec8\u7aef\u3002\u5e38\u89c1\u7684 MySQL \u5ba2\u6237\u7aef\u6709\uff1ajava \u4ee3\u7801\uff0c\u8fd9\u4e2a\u662f java \u7a0b\u5e8f\u5458\u4f7f\u7528\u6700\u591a\u7684\uff0c\u6bd4\u5982 mybatis ORM \u6846\u67b6\uff1bnavicat \u5de5\u5177\uff0c\u529f\u80fd\u5f3a\u5927\uff0c\u80fd\u591f\u53ef\u89c6\u5316\u64cd\u4f5c\u5f88\u591a\u79cd\u6570\u636e\u5e93\uff1bmysql-cli\uff0c\u8fd9\u4e2a\u662f MySQL \u5b98\u65b9\u81ea\u5e26\u7684\u5ba2\u6237\u7aef\uff1b\u8fd8\u6709\u4e00\u4e9b\u7f51\u9875\u7248\u7684\u5ba2\u6237\u7aef\u3002<\/p>\n\n\n\n

2.2 Server\u5c42<\/strong><\/p>\n\n\n\n

Server \u5c42\u662f MySQL \u7684\u6838\u5fc3\u6a21\u5757\uff0cServer \u5c42\u5305\u542b \u8fde\u63a5\u5668\u3001\u67e5\u8be2\u7f13\u5b58\u3001\u5206\u6790\u5668\u3001\u4f18\u5316\u5668\u3001\u6267\u884c\u5668\u7b49\u6838\u5fc3\u7ec4\u4ef6\uff0c\u6db5\u76d6\u4e86 MySQL \u5927\u591a\u6570\u6838\u5fc3\u670d\u52a1\u4ee5\u53ca\u6240\u6709\u7684\u5185\u7f6e\u51fd\u6570\uff0c\u8bf8\u5982 \u5b58\u50a8\u8fc7\u7a0b\u3001\u89e6\u53d1\u5668\u3001\u89c6\u56fe\u7b49\u6240\u6709\u8de8\u5b58\u50a8\u5f15\u64ce\u7684\u529f\u80fd\u4e5f\u90fd\u5728 Server \u5c42\u5b9e\u73b0\u3002\u4e0b\u9762\u5c06\u5206\u522b\u8bb2\u89e3\u51e0\u4e2a\u6838\u5fc3\u7ec4\u4ef6\u3002<\/p>\n\n\n\n

\u8fde\u63a5\u5668<\/strong><\/p>\n\n\n\n

\u8fde\u63a5\u5668\u7684\u4e3b\u8981\u529f\u80fd\u662f\u8fde\u63a5\u7ba1\u7406\u548c\u6743\u9650\u6821\u9a8c\u3002\u5f53\u5ba2\u6237\u7aef\u8bf7\u6c42\u8fc7\u6765\u65f6\uff0c\u9996\u5148\u662f\u548c Server \u5c42\u7684\u8fde\u63a5\u5668\u4ea4\u4e92\u3002<\/p>\n\n\n\n

\u4e0b\u9762\u901a\u8fc7\u4e00\u4e2a\u5b9e\u4f8b\u6765\u8bb2\u89e3\u8fde\u63a5\u5c42\u7684\u529f\u80fd\uff0c\u6bd4\u5982\uff0cmysql-cli \u5ba2\u6237\u7aef\u8fde\u63a5 MySQL Server \u7684\u547d\u4ee4\uff1a<\/p>\n\n\n\n

mysql> mysql -h 127.0.0.1 -P 3306 -uroot -p<\/pre>\n\n\n\n
\u6574\u4e2a\u8fc7\u7a0b\u5206\u89e3\u4e3a\uff1a<\/p>\n\n\n\n
\u8f93\u5165\u6307\u4ee4\uff0c\u70b9\u51fb Enter\u952e\u540e\u4f1a\u5b8c\u6210\u7ecf\u5178\u7684TCP 3\u6b21\u63e1\u624b\uff0c\u5ba2\u6237\u7aef\u548cMySQL Server\u5efa\u7acbTCP\u8fde\u63a5\u3002<\/p>\n\n\n\n
\u8fde\u63a5\u5efa\u7acb\u540e\uff0c\u8fde\u63a5\u5668\u5f00\u59cb\u5bf9\u8bf7\u6c42\u8fdb\u884c\u6743\u9650\u6821\u9a8c\uff0c\u5982\u679c Server \u5c42\u914d\u7f6e\u9700\u8981\u5bc6\u7801\u6821\u9a8c\uff0c\u4f1a\u63d0\u9192\u7528\u6237\u8f93\u5165\u5bc6\u7801\uff0c\u5bc6\u7801\u6b63\u786e\u8fdb\u5165\u4e0b\u4e00\u6b65\uff0c\u5bc6\u7801\u9519\u8bef\u63d0\u9192”Access denied for user”;\u5982\u679c Server \u5c42\u914d\u7f6e\u4e0d\u9700\u8981\u5bc6\u7801\u6821\u9a8c\uff0c\u5219\u76f4\u63a5\u8fdb\u5165\u4e0b\u4e00\u6b65<\/p>\n\n\n\n
\u6743\u9650\u9a8c\u8bc1\u6210\u529f\u540e\uff0c\u8fde\u63a5\u5668\u4f1a\u4ece\u6743\u9650\u8868\u628a\u5f53\u524d\u7528\u6237\u7684\u6240\u6709\u6743\u9650\u67e5\u8be2\u5e76\u7f13\u5b58\u8d77\u6765\uff0c\u6743\u9650\u7f13\u5b58\u7684\u751f\u547d\u5468\u671f\u4e00\u76f4\u5230\u8be5\u8fde\u63a5\u5173\u95ed\u3002<\/p>\n\n\n\n
\u8fde\u63a5\u5668\u4f1a\u628a\u6743\u9650\u7f13\u5b58\uff0c\u56e0\u6b64\uff0c\u53ea\u8981\u8be5\u8fde\u63a5\u4e00\u76f4\u5b58\u5728\u5c31\u4f1a\u4f7f\u7528\u7f13\u5b58\u4e2d\u7684\u6743\u9650\uff0c\u8fd9\u5c31\u610f\u5473\u7740\uff0c\u5373\u4fbf\u670d\u52a1\u5668\u66f4\u6539\u4e86\u8be5\u7528\u6237\u7684\u6743\u9650\uff0c\u53ea\u8981\u662f\u5728\u6743\u9650\u66f4\u6539\u524d\u8fd8\u5b58\u6d3b\u7684\u8fde\u63a5\uff0c\u65b0\u7684\u6743\u9650\u4e0d\u751f\u6548\u3002\u8fd9\u4e5f\u80fd\u5f88\u597d\u7684\u89e3\u91ca\uff0c\u6709\u65f6\u5019\u670d\u52a1\u7aef\u4fee\u6539\u4e86\u6743\u9650\u914d\u7f6e\uff0c\u5ba2\u6237\u7aef\u4e0d\u80fd\u53ca\u65f6\u751f\u6548\u3002<\/p>\n\n\n\n
\u67e5\u8be2\u7f13\u5b58<\/strong><\/p>\n\n\n\n
\u7f13\u5b58\u662f MySQL \u4e3a\u4e86\u52a0\u901f\u67e5\u8be2\u800c\u8bbe\u7f6e\u7684\uff0c\u5f53\u8bf7\u6c42\u9274\u6743\u5b8c\u6210\u4e4b\u540e\uff0c\u5c31\u4f1a\u5230\u6267\u884c\u7f13\u5b58\u67e5\u8be2(Server \u5c42\u5f00\u542f\u4e86\u7f13\u5b58)\uff0c\u5982\u679c\u547d\u4e2d\u7f13\u5b58\uff0c\u5219\u76f4\u63a5\u8fd4\u56de\uff0c\u5426\u5219\u8fdb\u5165\u4e0b\u4e00\u6b65\u3002\u4e0d\u8fc7\u6839\u636e\u5c0f\u7f16\u5267\u8fd9\u4e48\u591a\u5e74\u7684\u5de5\u4f5c\u7ecf\u9a8c\uff0c\u7f13\u5b58\u4f7f\u7528\u7684\u573a\u666f\u6bd4\u8f83\u5c11\uff0c\u6bd4\u5982\uff1aMySQL \u4e2d\u5b58\u653e\u7684\u662f\u4e00\u4e9b\u9759\u6001\u6570\u636e\u6216\u8005\u53d8\u66f4\u9891\u7387\u7279\u522b\u4f4e\uff0c\u5176\u4ed6\u7684\u573a\u666f\u8fd9\u4e2a\u529f\u80fd\u5c31\u6bd4\u8f83\u9e21\u808b\u4e86\uff0c\u600e\u4e48\u9e21\u808b\u5462\uff1f<\/p>\n\n\n\n
\u56e0\u4e3a\u53ea\u8981\u5bf9\u8868\u6709\u66f4\u65b0\u64cd\u4f5c\uff0c\u67e5\u8be2\u7f13\u5b58\u5c31\u4f1a\u5931\u6548\uff0c\u5982\u679c\u8868\u7684\u66f4\u65b0\u548c\u67e5\u8be2\u64cd\u4f5c\u6bd4\u8f83\u9891\u7e41\uff0c\u90a3\u4e48\u7f13\u5b58\u5c31\u4f1a\u4e00\u76f4\u5904\u4e8e\u5efa\u7acb\u548c\u5931\u6548\u7684\u9891\u7e41\u4ea4\u66ff\u4e2d\uff0c\u6700\u7ec8\u5bfc\u81f4\u67e5\u8be2\u6027\u80fd\u4e0d\u4f46\u6ca1\u6709\u63d0\u5347\u8fd8\u65e0\u5f62\u4e2d\u591a\u7ef4\u62a4\u4e86\u7f13\u5b58\u3002<\/pre>\n\n\n\n
\u56e0\u6b64\u5b9e\u9645\u751f\u4ea7\u4e2d\uff0cServer \u5c42\u90fd\u4f1a\u8bbe\u7f6e query_cache_type=DEMAND\uff0c\u8fd9\u6837 SQL \u9ed8\u8ba4\u4e0d\u4f1a\u4f7f\u7528\u67e5\u8be2\u7f13\u5b58\u3002\u5982\u679c\u6709\u7279\u6b8a\u9700\u6c42\u4e00\u5b9a\u8981\u4f7f\u7528\u67e5\u8be2\u7f13\u5b58\uff0c\u53ef\u4ee5\u663e\u793a\u6307\u5b9a SQL_CACHE\uff0c\u6bd4\u5982\u4e0b\u9762\u7684 SQL \u8bed\u53e5\uff1a<\/p>\n\n\n\n
mysql> select SQL_CACHE * from user where id = ?;<\/pre>\n\n\n\n
\u5206\u6790\u5668<\/strong><\/p>\n\n\n\n
\u4f18\u5316\u5668\u76ee\u7684\u662f\u5bf9 SQL \u8bed\u53e5\u8fdb\u884c\u4f18\u5316\u5904\u7406\u3002\u56e0\u4e3a SQL \u8bed\u53e5\u7684\u7f16\u5199\u8005\u80fd\u529b\u4e0d\u4e00\u6837\uff0c\u7f16\u5199\u51fa\u6765\u7684 SQL \u8bed\u53e5\u6027\u80fd\u4e5f\u4e0d\u4e00\u6837\u3002Server \u5c42\u5982\u679c\u5b8c\u5168\u6309\u7167 SQL \u8bed\u53e5\u987a\u5e8f\u6267\u884c\uff0c\u53ef\u80fd\u4f1a\u9020\u6210\u6027\u80fd\u95ee\u9898\uff0c \u6240\u4ee5\u9700\u8981\u4f18\u5316\uff0c\u5224\u65ad\u8bed\u53e5\u80fd\u5426\u4f7f\u7528\u7d22\u5f15\u7b49\u3002\u6bd4\u5982\u4e0b\u9762\u7684\u573a\u666f\uff1a<\/p>\n\n\n\n
\u5047\u5982\uff1a5000 \u4e07\u6570\u636e\u7684 user \u8868\u4e2d\u539f\u5b58\u5728\u4e00\u4e2a\u7ec4\u5408\u7d22\u5f15\u662f index_name_age(name,age)\uff0c\u67d0\u5de5\u7a0b\u5e08\u5728\u6ca1\u6709\u67e5\u770b\u73b0\u6709\u7d22\u5f15\u7684\u60c5\u51b5\u7f16\u5199\u4e86\u5982\u4e0b\u7684 SQL \u8bed\u53e5\uff1a<\/p>\n\n\n\n
mysql> select * from user where age = 30 and name like '\u5f20%';<\/pre>\n\n\n\n
\u5047\u5982 MySQL server \u5c42\u5b8c\u5168\u6309\u7167 SQl \u8bed\u53e5\u7684\u987a\u5e8f\u6267\u884c\uff0c\u5219\u8be5 SQL \u8bed\u53e5\u4e0d\u4f1a\u4f7f\u7528\u7d22\u5f15\uff0c\u5fc5\u5b9a\u4f1a\u6210\u4e3a\u6162 sql\u3002\u800c\u6709\u4e86\u4f18\u5316\u5668\uff0c\u8bed\u53e5\u5c31\u53ef\u4ee5\u4f18\u5316\u6210\u4e0b\u9762\u7684\u5f62\u5f0f\uff0c\u5b8c\u5168\u4f7f\u7528\u4e0a\u73b0\u6709\u7684 index_name_age(name,age)\u7d22\u5f15\u3002\u8fd9\u4e0b\u662f\u4e0d\u662f\u770b\u51fa\u4e86\u4f18\u5316\u5668\u7684\u597d\u5904\u3002<\/p>\n\n\n\n
mysql> select * from user where name like '\u5f20%' and age = 30;<\/pre>\n\n\n\n
\u6267\u884c\u5668<\/strong><\/p>\n\n\n\n
\u6267\u884c\u5668\u5c31\u662f\u8fd0\u884c SQL \u8bed\u53e5\u3002\u4e0d\u8fc7\uff0c\u6b64\u5904\u6267\u884c\u5668\u4e0d\u4f1a\u5728 Server \u5c42\u76f4\u63a5\u6267\u884c SQL \u8bed\u53e5\uff0c\u800c\u662f\u6839\u636e\u6570\u636e\u8868\u4e2d\u6267\u884c\u5f15\u64ce\u7c7b\u578b\u8c03\u7528\u5bf9\u5e94\u7684\u5b58\u50a8\u5f15\u64ce\u63d0\u7684\u63a5\u53e3\u3002\u81f3\u4e8e\uff0c\u4e3a\u4ec0\u4e48\u6267\u884c\u5f15\u64ce\u4e0d\u4eb2\u81ea\u6267\u884c SQL \u8bed\u53e5\uff0c\u6211\u4eec\u4f1a\u540e\u671f\u8fdb\u884c\u5206\u4eab\u3002\u4e0d\u8fc7 MySQL \u6b64\u5904\u7684\u8bbe\u8ba1\u7b26\u5408\u4e86 SOLID \u8f6f\u4ef6\u8bbe\u8ba1\u539f\u5219 ( https:\/\/www.yuanjava.cn\/tags\/solid\/ ) \u7684\u4f9d\u8d56\u5012\u7f6e\u539f\u5219\u3002<\/p>\n\n\n\n
\u6267\u884c\u5f15\u64ce\u4e0d\u4eb2\u81ea\u6267\u884c SQL \u8bed\u53e5\u539f\u56e0<\/strong><\/p>\n\n\n\n
\n\n\n\n
Server \u5c42\uff08\u6267\u884c\u5f15\u64ce\u76f8\u5173\u90e8\u5206\uff09<\/strong><\/p>\n\n\n\n
    \n
  1. SQL \u8bed\u53e5\u8f93\u5165<\/strong>\uff1a\u5e94\u7528\u7a0b\u5e8f\u5c06 SQL \u8bed\u53e5\u53d1\u9001\u5230\u6570\u636e\u5e93\u7cfb\u7edf\uff0c\u8fd9\u662f\u6574\u4e2a\u6d41\u7a0b\u7684\u8d77\u70b9\u3002\u6bd4\u5982\u5e94\u7528\u7a0b\u5e8f\u8981\u67e5\u8be2\u7528\u6237\u8868\u4e2d\u5e74\u9f84\u5927\u4e8e 30 \u5c81\u7684\u7528\u6237\u4fe1\u606f\uff0c\u4f1a\u53d1\u9001\u7c7b\u4f3c SELECT * FROM users WHERE age > 30;<\/code> \u8fd9\u6837\u7684 SQL \u8bed\u53e5\u5230\u6570\u636e\u5e93\u3002<\/li>\n\n\n\n
  2. SQL \u89e3\u6790\u4e0e\u4f18\u5316\u6a21\u5757<\/strong>\n
      \n
    • \u8bed\u6cd5\u5206\u6790<\/strong>\uff1a\u5bf9\u8f93\u5165\u7684 SQL \u8bed\u53e5\u8fdb\u884c\u8bed\u6cd5\u68c0\u67e5\uff0c\u5224\u65ad\u5176\u662f\u5426\u7b26\u5408 SQL \u8bed\u8a00\u89c4\u8303\u3002\u4f8b\u5982\u68c0\u67e5\u8bed\u53e5\u4e2d\u7684\u5173\u952e\u5b57\u62fc\u5199\u662f\u5426\u6b63\u786e\u3001\u62ec\u53f7\u662f\u5426\u5339\u914d\u3001\u8bed\u53e5\u7ed3\u6784\u662f\u5426\u5b8c\u6574\u7b49\u3002\u5982\u679c\u8f93\u5165 SELEC * FROM users WHERE age > 30;<\/code> \uff08SELECT<\/code> \u62fc\u5199\u9519\u8bef \uff09\uff0c\u8be5\u6a21\u5757\u4f1a\u68c0\u6d4b\u51fa\u8bed\u6cd5\u9519\u8bef\u5e76\u8fd4\u56de\u9519\u8bef\u4fe1\u606f\u3002<\/li>\n\n\n\n
    • \u8bed\u4e49\u68c0\u67e5<\/strong>\uff1a\u68c0\u67e5 SQL \u8bed\u53e5\u7684\u8bed\u4e49\u662f\u5426\u6b63\u786e\u3002\u6bd4\u5982\u786e\u8ba4\u8bed\u53e5\u4e2d\u5f15\u7528\u7684\u8868\u548c\u5217\u5728\u6570\u636e\u5e93\u4e2d\u662f\u5426\u5b58\u5728\uff0c\u4ee5\u53ca\u6570\u636e\u7c7b\u578b\u662f\u5426\u5339\u914d\u7b49\u3002\u82e5\u6570\u636e\u5e93\u4e2d\u4e0d\u5b58\u5728 users<\/code> \u8868\uff0c\u6267\u884c\u8bed\u4e49\u68c0\u67e5\u65f6\u5c31\u4f1a\u62a5\u9519\u3002<\/li>\n\n\n\n
    • \u67e5\u8be2\u4f18\u5316<\/strong>\uff1a\u8fd9\u662f\u5173\u952e\u73af\u8282\uff0c\u4f1a\u6839\u636e\u6570\u636e\u5e93\u5143\u6570\u636e\uff08\u5982\u8868\u7ed3\u6784\u3001\u7d22\u5f15\u4fe1\u606f\u7b49 \uff09\u751f\u6210\u591a\u79cd\u53ef\u80fd\u7684\u6267\u884c\u65b9\u6848\uff0c\u5e76\u901a\u8fc7\u6210\u672c\u4f30\u7b97\u7b49\u65b9\u5f0f\u9009\u62e9\u6700\u4f18\u7684\u6267\u884c\u8ba1\u5212\u3002\u4f8b\u5982\u5bf9\u4e8e\u4e0a\u8ff0\u67e5\u8be2\uff0c\u5982\u679c age<\/code> \u5217\u4e0a\u6709\u7d22\u5f15\uff0c\u4f18\u5316\u5668\u53ef\u80fd\u4f1a\u9009\u62e9\u4f7f\u7528\u7d22\u5f15\u626b\u63cf\u6765\u83b7\u53d6\u6570\u636e\uff0c\u800c\u4e0d\u662f\u5168\u8868\u626b\u63cf\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8be2\u6548\u7387\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n
    • \u6267\u884c\u8ba1\u5212\u751f\u6210\u6a21\u5757<\/strong>\uff1a\u6839\u636e SQL \u89e3\u6790\u4e0e\u4f18\u5316\u6a21\u5757\u7684\u7ed3\u679c\uff0c\u751f\u6210\u5177\u4f53\u7684\u6267\u884c\u6b65\u9aa4\u3002\u4f8b\u5982\u786e\u5b9a\u5148\u4ece\u7d22\u5f15\u4e2d\u83b7\u53d6\u6ee1\u8db3 age > 30<\/code> \u6761\u4ef6\u7684\u8bb0\u5f55\u6307\u9488\uff0c\u518d\u6839\u636e\u6307\u9488\u8bfb\u53d6\u5bf9\u5e94\u7684\u6570\u636e\u884c\u7b49\u64cd\u4f5c\u987a\u5e8f\u3002<\/li>\n\n\n\n
    • \u8c03\u7528\u5b58\u50a8\u5f15\u64ce\u63a5\u53e3\u6a21\u5757<\/strong>\uff1a\u6267\u884c\u5f15\u64ce\u4e0d\u76f4\u63a5\u64cd\u4f5c\u6570\u636e\uff0c\u800c\u662f\u901a\u8fc7\u8fd9\u4e2a\u6a21\u5757\u5411\u5b58\u50a8\u5f15\u64ce\u53d1\u9001\u6307\u4ee4\u3002\u5b83\u6839\u636e\u6267\u884c\u8ba1\u5212\uff0c\u5c06\u64cd\u4f5c\u8f6c\u5316\u4e3a\u5bf9\u5b58\u50a8\u5f15\u64ce\u63a5\u53e3\u7684\u8c03\u7528\u8bf7\u6c42\uff0c\u6bd4\u5982\u8c03\u7528\u5b58\u50a8\u5f15\u64ce\u7684 \u201c\u8bfb\u53d6\u6570\u636e\u9875\u201d\u201c\u5199\u5165\u6570\u636e\u201d \u7b49\u63a5\u53e3\u3002<\/li>\n<\/ol>\n\n\n\n
      \u5b58\u50a8\u5f15\u64ce\u5c42<\/strong><\/p>\n\n\n\n
        \n
      1. \u4e0d\u540c\u5b58\u50a8\u5f15\u64ce<\/strong>\uff1a\u6570\u636e\u5e93\u652f\u6301\u591a\u79cd\u5b58\u50a8\u5f15\u64ce\uff0c\u5982 InnoDB\u3001MyISAM \u7b49\u3002\n
          \n
        • InnoDB<\/strong>\uff1a\u662f\u4e00\u79cd\u4e8b\u52a1\u5b89\u5168\u578b\u5b58\u50a8\u5f15\u64ce\uff0c\u652f\u6301\u884c\u7ea7\u9501\u548c\u5916\u952e\u7ea6\u675f\u7b49\u3002\u5728\u5904\u7406\u4e8b\u52a1\u65f6\uff0c\u5b83\u4f1a\u4e25\u683c\u9075\u5faa ACID \u7279\u6027\uff08\u539f\u5b50\u6027\u3001\u4e00\u81f4\u6027\u3001\u9694\u79bb\u6027\u3001\u6301\u4e45\u6027 \uff09\u3002\u4f8b\u5982\u5728\u94f6\u884c\u8f6c\u8d26\u4e1a\u52a1\u4e2d\uff0c\u6d89\u53ca\u591a\u4e2a\u8d26\u6237\u91d1\u989d\u53d8\u52a8\u7684\u64cd\u4f5c\u4f1a\u88ab\u89c6\u4e3a\u4e00\u4e2a\u4e8b\u52a1\uff0cInnoDB \u80fd\u4fdd\u8bc1\u8981\u4e48\u6240\u6709\u8d26\u6237\u91d1\u989d\u53d8\u52a8\u90fd\u6210\u529f\u63d0\u4ea4\uff0c\u8981\u4e48\u90fd\u56de\u6eda\uff0c\u786e\u4fdd\u6570\u636e\u4e00\u81f4\u6027\u3002\u5b83\u5728\u5904\u7406\u6570\u636e\u5b58\u50a8\u65f6\uff0c\u4f1a\u5c06\u6570\u636e\u548c\u7d22\u5f15\u7ec4\u7ec7\u5728\u805a\u7c07\u7d22\u5f15\u7ed3\u6784\u4e2d\uff0c\u4ee5\u63d0\u9ad8\u6570\u636e\u8bfb\u53d6\u548c\u5199\u5165\u6548\u7387\u3002<\/li>\n\n\n\n
        • MyISAM<\/strong>\uff1a\u4e0d\u652f\u6301\u4e8b\u52a1\uff0c\u91c7\u7528\u8868\u7ea7\u9501\u3002\u5bf9\u4e8e\u4e00\u4e9b\u8bfb\u64cd\u4f5c\u9891\u7e41\u3001\u5bf9\u4e8b\u52a1\u8981\u6c42\u4e0d\u9ad8\u7684\u573a\u666f\u6bd4\u8f83\u9002\u7528\uff0c\u5982\u7b80\u5355\u7684\u65e5\u5fd7\u8bb0\u5f55\u7cfb\u7edf\u3002\u5b83\u7684\u4f18\u52bf\u5728\u4e8e\u6570\u636e\u8bfb\u53d6\u901f\u5ea6\u8f83\u5feb\uff0c\u5728\u4e00\u4e9b\u4ee5\u67e5\u8be2\u4e3a\u4e3b\u7684\u5e94\u7528\u4e2d\u8868\u73b0\u826f\u597d\u3002\u5176\u6570\u636e\u548c\u7d22\u5f15\u662f\u5206\u5f00\u5b58\u50a8\u7684\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n
        • \u5b58\u50a8\u5f15\u64ce\u529f\u80fd\u5b9e\u73b0<\/strong>\uff1a\u6bcf\u4e2a\u5b58\u50a8\u5f15\u64ce\u90fd\u6709\u81ea\u5df1\u72ec\u7279\u7684\u5e95\u5c42\u6570\u636e\u5b58\u50a8\u548c\u7ba1\u7406\u673a\u5236\u3002\u5b83\u4eec\u8d1f\u8d23\u5b9e\u9645\u7684\u6570\u636e\u5b58\u50a8\u3001\u8bfb\u53d6\u4ee5\u53ca\u76f8\u5173\u7684\u4e8b\u52a1\u63a7\u5236\u3001\u5e76\u53d1\u63a7\u5236\u7b49\u64cd\u4f5c\u3002\u6bd4\u5982 InnoDB \u5728\u63a5\u6536\u5230\u6267\u884c\u5f15\u64ce\u7684\u8bfb\u53d6\u6570\u636e\u8bf7\u6c42\u540e\uff0c\u4f1a\u6839\u636e\u81ea\u8eab\u7684\u6570\u636e\u9875\u7ba1\u7406\u673a\u5236\uff0c\u4ece\u78c1\u76d8\u4e2d\u8bfb\u53d6\u5bf9\u5e94\u7684\u6570\u636e\u9875\u5230\u5185\u5b58\u4e2d\uff0c\u518d\u8fd4\u56de\u7ed9\u6267\u884c\u5f15\u64ce\u3002<\/li>\n<\/ol>\n\n\n\n
          \u4ea4\u4e92\u90e8\u5206<\/strong><\/p>\n\n\n\n
            \n
          1. \u6307\u4ee4\u4f20\u9012<\/strong>\uff1a\u6267\u884c\u5f15\u64ce\u901a\u8fc7\u8c03\u7528\u5b58\u50a8\u5f15\u64ce\u63a5\u53e3\uff0c\u5c06\u6267\u884c\u8ba1\u5212\u4e2d\u7684\u64cd\u4f5c\u6307\u4ee4\u4f20\u9012\u7ed9\u5b58\u50a8\u5f15\u64ce\u3002\u4f8b\u5982\u6267\u884c\u5f15\u64ce\u8981\u6c42\u5b58\u50a8\u5f15\u64ce\u4ece\u67d0\u4e2a\u8868\u4e2d\u8bfb\u53d6\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u7684\u6570\u636e\uff0c\u5b58\u50a8\u5f15\u64ce\u4f1a\u6839\u636e\u81ea\u8eab\u7684\u6570\u636e\u7ed3\u6784\u548c\u7d22\u5f15\u60c5\u51b5\u8fdb\u884c\u76f8\u5e94\u64cd\u4f5c\u3002<\/li>\n\n\n\n
          2. \u6570\u636e\u8fd4\u56de\u4e0e\u7ed3\u679c\u53cd\u9988<\/strong>\uff1a\u5b58\u50a8\u5f15\u64ce\u6267\u884c\u5b8c\u64cd\u4f5c\u540e\uff0c\u5c06\u6570\u636e\u8fd4\u56de\u7ed9\u6267\u884c\u5f15\u64ce\uff0c\u5e76\u53cd\u9988\u64cd\u4f5c\u7ed3\u679c\uff08\u5982\u662f\u5426\u6210\u529f\u8bfb\u53d6\u6570\u636e\u3001\u5199\u5165\u6570\u636e\u65f6\u662f\u5426\u9047\u5230\u9519\u8bef\u7b49 \uff09\u3002\u6267\u884c\u5f15\u64ce\u518d\u6839\u636e\u8fd9\u4e9b\u7ed3\u679c\u8fdb\u884c\u540e\u7eed\u5904\u7406\uff0c\u6bd4\u5982\u5c06\u6570\u636e\u6574\u7406\u540e\u8fd4\u56de\u7ed9\u6570\u636e\u5e93\u5ba2\u6237\u7aef\u5c55\u793a\uff0c\u6216\u8005\u6839\u636e\u9519\u8bef\u7ed3\u679c\u8fdb\u884c\u5f02\u5e38\u5904\u7406\u3002<\/li>\n<\/ol>\n\n\n\n
            \u6574\u4f53\u4f18\u52bf\u4f53\u73b0<\/strong><\/p>\n\n\n\n
              \n
            1. \u804c\u8d23\u5206\u79bb\u4f18\u52bf<\/strong>\n
                \n
              • \u4e13\u4e1a\u5316\u5206\u5de5<\/strong>\uff1a\u6267\u884c\u5f15\u64ce\u4e13\u6ce8\u4e8e SQL \u8bed\u53e5\u7684\u903b\u8f91\u5904\u7406\u548c\u4f18\u5316\uff0c\u4e0d\u65ad\u63d0\u5347 SQL \u89e3\u6790\u3001\u67e5\u8be2\u4f18\u5316\u7b49\u65b9\u9762\u7684\u80fd\u529b\uff1b\u5b58\u50a8\u5f15\u64ce\u4e13\u6ce8\u4e8e\u6570\u636e\u7684\u7269\u7406\u5b58\u50a8\u548c\u5e95\u5c42\u64cd\u4f5c\uff0c\u9488\u5bf9\u4e0d\u540c\u5b58\u50a8\u9700\u6c42\u8fdb\u884c\u4f18\u5316\u3002\u4e24\u8005\u76f8\u4e92\u534f\u4f5c\uff0c\u63d0\u9ad8\u6570\u636e\u5e93\u6574\u4f53\u6027\u80fd\u3002\u4f8b\u5982\u6267\u884c\u5f15\u64ce\u53ef\u4ee5\u4e0d\u65ad\u6539\u8fdb\u67e5\u8be2\u4f18\u5316\u7b97\u6cd5\uff0c\u5b58\u50a8\u5f15\u64ce\u53ef\u4ee5\u9488\u5bf9\u65b0\u578b\u5b58\u50a8\u4ecb\u8d28\u4f18\u5316 I\/O \u64cd\u4f5c\u3002<\/li>\n\n\n\n
              • \u964d\u4f4e\u590d\u6742\u5ea6<\/strong>\uff1a\u5c06\u590d\u6742\u7684\u6570\u636e\u5e93\u64cd\u4f5c\u62c6\u5206\u4e3a\u4e0d\u540c\u6a21\u5757\uff0c\u6bcf\u4e2a\u6a21\u5757\u529f\u80fd\u76f8\u5bf9\u5355\u4e00\uff0c\u4fbf\u4e8e\u5f00\u53d1\u3001\u7ef4\u62a4\u548c\u8c03\u8bd5\u3002\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u5206\u522b\u5bf9\u6267\u884c\u5f15\u64ce\u548c\u5b58\u50a8\u5f15\u64ce\u8fdb\u884c\u4ee3\u7801\u4f18\u5316\u548c\u529f\u80fd\u6269\u5c55\uff0c\u800c\u4e0d\u4f1a\u76f8\u4e92\u5e72\u6270\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n
              • \u7075\u6d3b\u6027\u4e0e\u6269\u5c55\u6027\u4f18\u52bf<\/strong>\n
                  \n
                • \u9002\u914d\u591a\u79cd\u5b58\u50a8\u5f15\u64ce<\/strong>\uff1a\u6267\u884c\u5f15\u64ce\u901a\u8fc7\u7edf\u4e00\u7684\u63a5\u53e3\u65b9\u5f0f\u8c03\u7528\u4e0d\u540c\u5b58\u50a8\u5f15\u64ce\uff0c\u7528\u6237\u53ef\u4ee5\u6839\u636e\u4e1a\u52a1\u9700\u6c42\u7075\u6d3b\u9009\u62e9\u5b58\u50a8\u5f15\u64ce\u3002\u6bd4\u5982\u7535\u5546\u5e94\u7528\u4e2d\uff0c\u8ba2\u5355\u5904\u7406\u6a21\u5757\u5bf9\u4e8b\u52a1\u8981\u6c42\u9ad8\uff0c\u53ef\u9009\u7528 InnoDB \u5b58\u50a8\u5f15\u64ce\uff1b\u5546\u54c1\u5c55\u793a\u6a21\u5757\u8bfb\u64cd\u4f5c\u591a\uff0c\u5bf9\u4e8b\u52a1\u8981\u6c42\u4f4e\uff0c\u53ef\u9009\u7528 MyISAM \u5b58\u50a8\u5f15\u64ce\u3002<\/li>\n\n\n\n
                • \u4fbf\u4e8e\u529f\u80fd\u6269\u5c55<\/strong>\uff1a\u968f\u7740\u6280\u672f\u53d1\u5c55\uff0c\u65b0\u7684\u5b58\u50a8\u5f15\u64ce\u6216\u5b58\u50a8\u6280\u672f\u53ef\u4ee5\u65b9\u4fbf\u5730\u96c6\u6210\u5230\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\u3002\u53ea\u8981\u65b0\u5b58\u50a8\u5f15\u64ce\u5b9e\u73b0\u4e86\u6267\u884c\u5f15\u64ce\u8c03\u7528\u6240\u9700\u7684\u63a5\u53e3\uff0c\u5c31\u80fd\u88ab\u6267\u884c\u5f15\u64ce\u8c03\u7528\uff0c\u65e0\u9700\u5bf9\u6267\u884c\u5f15\u64ce\u6838\u5fc3\u4ee3\u7801\u8fdb\u884c\u5927\u89c4\u6a21\u4fee\u6539\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n
                • \u6027\u80fd\u4f18\u5316\u4f18\u52bf<\/strong>\n
                    \n
                  • \u4f18\u5316\u6267\u884c\u8def\u5f84<\/strong>\uff1a\u6267\u884c\u5f15\u64ce\u901a\u8fc7\u67e5\u8be2\u4f18\u5316\u751f\u6210\u9ad8\u6548\u6267\u884c\u8ba1\u5212\uff0c\u6307\u5bfc\u5b58\u50a8\u5f15\u64ce\u8fdb\u884c\u6570\u636e\u64cd\u4f5c\uff0c\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u6570\u636e\u8bfb\u53d6\u548c\u5904\u7406\u3002\u4f8b\u5982\u901a\u8fc7\u7d22\u5f15\u4f7f\u7528\u7b56\u7565\uff0c\u907f\u514d\u5168\u8868\u626b\u63cf\uff0c\u63d0\u9ad8\u67e5\u8be2\u901f\u5ea6\u3002<\/li>\n\n\n\n
                  • \u51cf\u5c11\u8d44\u6e90\u5360\u7528<\/strong>\uff1a\u5b58\u50a8\u5f15\u64ce\u6839\u636e\u81ea\u8eab\u5bf9\u6570\u636e\u5b58\u50a8\u7ed3\u6784\u7684\u4e86\u89e3\uff0c\u66f4\u5408\u7406\u5730\u7ba1\u7406 I\/O \u64cd\u4f5c\u548c\u5185\u5b58\u8d44\u6e90\u3002\u6bd4\u5982\u5229\u7528\u7f13\u5b58\u673a\u5236\u51cf\u5c11\u78c1\u76d8 I\/O \u6b21\u6570\uff0c\u6267\u884c\u5f15\u64ce\u65e0\u9700\u5173\u5fc3\u8fd9\u4e9b\u5e95\u5c42\u7ec6\u8282\uff0c\u4e13\u6ce8\u4e8e SQL \u903b\u8f91\u5904\u7406\uff0c\u4ece\u800c\u964d\u4f4e\u7cfb\u7edf\u6574\u4f53\u8d44\u6e90\u6d88\u8017\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n
                    2.3 \u5b58\u50a8\u5f15\u64ce\u5c42<\/strong><\/p>\n\n\n\n
                    \n\n\n\n
                    \u5b58\u50a8\u5f15\u64ce\u5c42\u8d1f\u8d23\u6570\u636e\u7684\u5b58\u50a8\u548c\u63d0\u53d6\u3002\u91c7\u7528\u63d2\u4ef6\u5f0f\u7684\u67b6\u6784\u6a21\u5f0f\uff0c\u5e38\u89c1\u7684\u5b58\u50a8\u5f15\u64ce\u6709 InnoDB\u3001MyISAM\u3001Memory \u7b49\u3002\u5176\u4e2d MyISAM \u662f MySQL \u5b98\u65b9\u81ea\u5e26\u7684\u5f15\u64ce\uff0c\u4f46\u662f\u56e0\u4e3a\u8be5\u5f15\u64ce\u4e0d\u652f\u6301\u4e8b\u52a1\uff0c\u4f7f\u5f97\u80fd\u591f\u652f\u6301\u4e8b\u52a1\u7684 InnoDB \u5b58\u50a8\u5f15\u64ce\u5f97\u4ee5\u5feb\u901f\u53d1\u5c55\uff0c\u5e76\u5728 MySQL 5.5.5 \u7248\u672c\u593a\u5ae1\u6210\u529f\uff0c\u6210\u4e3a\u4e86\u9ed8\u8ba4\u5b58\u50a8\u5f15\u64ce\u3002<\/p>\n\n\n\n
                    \u56e0\u6b64\uff0c\u4f5c\u4e3a\u5f00\u53d1\u4eba\u5458\uff0c\u5728\u8fdb\u5165\u65b0\u516c\u53f8\u540e\uff0c\u6700\u597d\u662f\u8981\u5f04\u6e05\u695a\u516c\u53f8\u7684 MySQL \u7248\u672c\u4ee5\u53ca\u9ed8\u8ba4\u5f15\u64ce\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5f88\u591a\u4e0d\u5fc5\u8981\u7684\u5751\u3002\u67e5\u770b\u6307\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n
                    # \u67e5\u770b\u6570\u636e\u5e93\u7248\u672c\nmysql> status;\n\n# \u67e5\u770b\u9ed8\u8ba4\u5f15\u64ce\nmysql> SHOW VARIABLES LIKE 'default_storage_engine%';<\/pre>\n\n\n\n
                    3. \u603b\u7ed3<\/strong><\/p>\n\n\n\n
                    \n\n\n\n
                      \n
                    • SQL \u6267\u884c\u4f1a\u7ecf\u5386\u5ba2\u6237\u7aef\u3001Server \u5c42\u3001\u5b58\u50a8\u5f15\u64ce\u5c42 3 \u4e2a\u90e8\u5206\u3002<\/li>\n\n\n\n
                    • Server \u5c42\u5305\u542b \u8fde\u63a5\u5668\u3001\u67e5\u8be2\u7f13\u5b58\u3001\u5206\u6790\u5668\u3001\u4f18\u5316\u5668\u3001\u6267\u884c\u5668\u7b49\u6838\u5fc3\u7ec4\u4ef6\u3002<\/li>\n\n\n\n
                    • \u8fde\u63a5\u5668\u4e3b\u8981\u804c\u8d23\u662f\u7ba1\u7406\u8fde\u63a5\uff0c\u6743\u9650\u6821\u9a8c<\/li>\n\n\n\n
                    • \u67e5\u8be2\u7f13\u5b58\u4e3b\u8981\u804c\u8d23\u662f\u4e3a\u67e5\u8be2\u63d0\u4f9b\u7f13\u5b58<\/li>\n\n\n\n
                    • \u5206\u6790\u5668\u4e3b\u8981\u804c\u8d23\u662f\u8bcd\u6cd5\u5206\u6790\u548c\u8bed\u6cd5\u5206\u6790\uff0c\u76ee\u7684\u662f\u8bc6\u522b SQL \u662f\u505a\u4ec0\u4e48\uff0c\u6709\u6ca1\u6709\u8bed\u6cd5\u9519\u8bef\u3002<\/li>\n\n\n\n
                    • \u4f18\u5316\u5668\u4e3b\u8981\u804c\u8d23\u662f\u5173\u6ce8 SQL \u7684\u6027\u80fd\uff0c\u4f18\u5316 SQL \u8bed\u53e5\u600e\u4e48\u66f4\u597d\u7684\u53bb\u6267\u884c\uff0c\u6bd4\u5982\uff1a\u5339\u914d\u7d22\u5f15\uff0c\u4f18\u5316 join \u67e5\u8be2\u7684\u8fde\u63a5\u987a\u5e8f\u3002<\/li>\n\n\n\n
                    • \u6267\u884c\u5668\u4e3b\u8981\u804c\u8d23\u662f\u8c03\u7528\u5b58\u50a8\u5f15\u64ce\u63a5\u53e3\u548c\u8fd4\u56de\u7ed3\u679c\u3002<\/li>\n\n\n\n
                    • \u5b58\u50a8\u5f15\u64ce\u4e3b\u8981\u804c\u8d23\u662f\u6570\u636e\u7684\u5b58\u50a8\u548c\u63d0\u53d6\uff0c\u7ed9\u6267\u884c\u5668\u63d0\u4f9b\u63a5\u53e3\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
                      \u8f6c\u8f7d\uff1a\u4e00\u6761SQL\u67e5\u8be2\u8bed\u53e5\u662f\u5982\u4f55\u6267\u884c\u7684 \u4f5c\u4e3a\u4e00\u540d java \u540e\u7aef\u7a0b\u5e8f\u5458\uff0cMySQL \u5e94\u8be5\u662f\u63a5\u89e6\u6700\u591a\u7684\u6570\u636e\u5e93\u4e4b\u4e00\uff0c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/17345"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17345"}],"version-history":[{"count":3,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/17345\/revisions"}],"predecessor-version":[{"id":17350,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/17345\/revisions\/17350"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17345"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17345"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}