{"id":8982,"date":"2022-12-06T10:54:49","date_gmt":"2022-12-06T02:54:49","guid":{"rendered":"https:\/\/aif.amtbbs.org\/?p=8982"},"modified":"2022-12-06T10:54:49","modified_gmt":"2022-12-06T02:54:49","slug":"%e5%9b%bd%e4%ba%a7%e6%95%b0%e6%8d%ae%e5%ba%93%e9%80%82%e5%90%88%e5%9b%bd%e5%ae%b6%e6%a0%87%e5%87%86%e5%90%97%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/aif.amtbbs.org\/index.php\/2022\/12\/06\/8982\/","title":{"rendered":"\u56fd\u4ea7\u6570\u636e\u5e93\u9002\u5408\u56fd\u5bb6\u6807\u51c6\u5417\uff1f"},"content":{"rendered":"

\"\"<\/p>\n

\u524d\u9635\u5b50\u6709\u4e2a\u4f01\u4e1a\u7684IT\u8d1f\u8d23\u4eba\u548c\u6211\u8ba8\u8bba\uff0c\u5bf9\u4e8e\u4fe1\u521b\u6570\u636e\u5e93\uff0c\u5236\u5b9a\u4e00\u4e9b\u56fd\u5bb6\u6807\u51c6\uff0c\u4f1a\u4e0d\u4f1a\u5bf9\u56fd\u4ea7\u6570\u636e\u5e93\u4ea7\u4e1a\u6709\u5e2e\u52a9\u3002\u5f53\u65f6\u6211\u7684\u7b2c\u4e00\u53cd\u5e94\u662f\uff0c\u56fd\u4ea7\u6570\u636e\u5e93\u548b\u505a\u6807\u51c6\u5316\uff0c\u4e0d\u540c\u7684\u6570\u636e\u5e93\u4ea7\u54c1\u6280\u672f\u8def\u7ebf\u4e0d\u540c\uff0c\u67b6\u6784\u4e0d\u540c\uff0c\u6280\u672f\u6c34\u5e73\u4e0d\u540c\uff0c\u5b9e\u73b0\u65b9\u5f0f\u4e0d\u540c\uff0c\u6211\u4eec\u6ca1\u529e\u6cd5\u4e5f\u6ca1\u5fc5\u8981\u53bb\u505a\u4e2a\u56fd\u6807\u6765\u505a\u4e00\u4e9b\u9650\u5236\u5427\u3002\u8bf4\u5b9e\u5728\u7684\uff0c\u6807\u51c6\u662f\u4e2a\u53cc\u5203\u5251\uff0c\u641e\u597d\u4e86\uff0c\u80fd\u591f\u4fc3\u8fdb\u56fd\u4ea7\u6570\u636e\u5e93\u4ea7\u4e1a\uff0c\u641e\u5f97\u4e0d\u597d\uff0c\u5c31\u53d8\u6210\u515a\u540c\u4f10\u5f02\u7684\u5de5\u5177\u4e86\u3002<\/p>\n

\u524d\u4e9b\u5e74\u4e00\u4e9b\u884c\u4e1a\u5236\u8ba2\u4e86\u6570\u636e\u5e93\u7684\u4e00\u7cfb\u5217\u7684\u6570\u636e\u5e93\u6807\u51c6\uff0c\u5b9e\u9645\u4e0a\u8fd9\u4e9b\u6807\u51c6\u66f4\u50cf\u662f\u62db\u6807\u6587\u4ef6\u4e2d\u7684\u6280\u672f\u89c4\u8303\u4e66\uff0c\u5f88\u96be\u5bf9\u6570\u636e\u5e93\u4ea7\u4e1a\u53d1\u5c55\u6709\u4ec0\u4e48\u4f5c\u7528\u3002\u53e6\u5916\u4e00\u4e2a\u5178\u578b\u7684\u6848\u4f8b\u5c31\u662f\u7b49\u4fdd\u5b89\u5168\u6807\u51c6\uff0c\u524d\u4e9b\u5e74Oracle\u53c2\u52a0\u8fc7\u4e00\u6b21\u7b49\u4fdd2\u7ea7\u6d4b\u8bd5\uff0c\u5c45\u7136\u60e8\u8d25\uff0c\u4e5f\u5c31\u5f88\u8bf4\u660e\u95ee\u9898\u4e86\uff0c\u4e86\u89e3Oracle\u5b89\u5168\u7684\u670b\u53cb\u7edd\u5bf9\u76f8\u4fe1Oracle\u6570\u636e\u5e93\u7edd\u5bf9\u4e0d\u4f1a\u6bd4\u5f53\u65f6\u7684\u56fd\u4ea7\u6570\u636e\u5e93\u5728\u5b89\u5168\u65b9\u9762\u5dee\uff0c\u4f46\u662f\u5f53\u65f6\u7684\u4e0d\u5c11\u56fd\u4ea7\u6570\u636e\u5e93\u662f\u53ef\u4ee5\u8f7b\u677e\u8fc7\u7b49\u4fdd\u4e09\u7ea7\u7684\u3002<\/p>\n

\u4e0d\u8fc7\u4ed4\u7ec6\u60f3\u4e00\u60f3\uff0c\u6211\u5012\u662f\u89c9\u5f97\u56fd\u4ea7\u6570\u636e\u5e93\u6807\u51c6\u4e5f\u4e0d\u89c1\u5f97\u662f\u4e00\u4ef6\u574f\u4e8b\u60c5\uff0c\u5982\u679c\u505a\u597d\u4e86\uff0c\u8fd8\u771f\u7684\u80fd\u4fc3\u8fdb\u56fd\u4ea7\u6570\u636e\u5e93\u4ea7\u4e1a\u7684\u53d1\u5c55\u3002\u56fd\u5916\u5546\u7528\u6570\u636e\u5e93\u53d1\u5c55\u8fc7\u7a0b\u4e2d\u4e5f\u662f\u5148\u4e07\u82b1\u9f50\u653e\uff0c\u4e0d\u540c\u7684\u67b6\u6784\u3001\u4e0d\u540c\u7684\u6280\u672f\u8def\u7ebf\u3001\u4e0d\u540c\u7684\u7f16\u7a0b\u63a5\u53e3\u3002\u53d1\u5c55\u5230\u4e00\u5b9a\u9636\u6bb5\u624d\u53d1\u73b0\uff0c\u5982\u679c\u4e0d\u9075\u5faa\u67d0\u4e9b\u6807\u51c6\uff0c\u91ce\u86ee\u751f\u957f\uff0c\u6570\u636e\u5e93\u5e02\u573a\u5c31\u5f88\u96be\u5feb\u901f\u589e\u957f\u3002\u4e8e\u662f\u5927\u5bb6\u624d\u5f00\u59cb\u4e92\u76f8\u201c\u5b66\u4e60\u201d\uff0c\u91c7\u7528\u4e00\u4e9b\u4e8b\u5b9e\u6807\u51c6\uff0c\u6700\u7ec8\u5176\u80fd\u529b\u4e5f\u5f00\u59cb\u8d8b\u540c\u4e86\u3002SQL\u8bed\u8a00\u3001B\u6811\u7d22\u5f15\u3001MVCC\uff0c\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b\u3001\u5b58\u50a8\u8fc7\u7a0b\u3001\u89e6\u53d1\u5668\uff0c\u7b49\u7b49\u7b49\u7b49\uff0c\u6b63\u662f\u8fd9\u4e9b\u6280\u672f\u88ab\u5546\u7528\u6570\u636e\u5e93\u5382\u5546\u5e7f\u6cdb\u4f7f\u7528\u540e\uff0c\u624d\u8ba9\u5173\u7cfb\u578b\u6570\u636e\u5e93\u5e02\u573a\u53d8\u5f97\u7e41\u8363\u8d77\u6765\u3002\u56fd\u4ea7\u6570\u636e\u5e93\u7684\u8d77\u6b65\u6bd4\u8f83\u665a\uff0c\u56e0\u6b64\u4e0d\u4f46\u4e0a\u8ff0\u8fd9\u4e9b\u90fd\u6210\u4e86\u6807\u914d\uff0c\u5e76\u4e14\u5927\u5bb6\u90fd\u6709\u610f\u65e0\u610f\u7684\u5411\u51e0\u4e2a\u6570\u636e\u5e93\u4ea7\u54c1\u9760\u62e2\u3002\u4e00\u4e2a\u662fOracle\uff0c\u53e6\u5916\u5c31\u662fMySQL\u3001Postgresql\u4e24\u5927\u5f00\u6e90\u6570\u636e\u5e93\u3002<\/p>\n

2014\u5e74\u7684\u65f6\u5019\uff0c\u6211\u4eec\u7684\u4f18\u5316\u9879\u76ee\u5f00\u59cb\u63a5\u89e6\u8fbe\u68a6\u3001\u91d1\u4ed3\u7b49\u56fd\u4ea7\u6570\u636e\u5e93\u3002\u521a\u521a\u63a5\u624b\u4e00\u4e2a\u5168\u65b0\u7684\u6570\u636e\u5e93\u7684\u65f6\u5019\uff0c\u6211\u4eec\u5b8c\u5168\u65f6\u61f5\u7684\u3002\u4e0d\u8fc7\u770b\u5230DBA_TABLES,v$sysstat\u3001v$sessions\u7b49\u719f\u6089\u7684\u89c6\u56fe\u7684\u65f6\u5019\uff0c\u5fc3\u91cc\u5c31\u8e0f\u5b9e\u4e86\u5f88\u591a\u3002\u867d\u7136\u8fbe\u68a6\u6570\u636e\u5e93\u4e0eOracle\u7684\u5185\u6838\u4e0d\u540c\uff0csysstat\u548c\u4f1a\u8bdd\u4fe1\u606f\u6240\u53cd\u6620\u7684\u7cfb\u7edf\u72b6\u51b5\u4e5f\u6ca1Oracle\u90a3\u4e48\u6e05\u6670\uff0c\u4e0d\u8fc7\u8fd9\u79cd\u517c\u5bb9\u6027\u4e5f\u8ba9\u6211\u4eec\u5728\u505a\u8fd9\u4e2a\u4f18\u5316\u9879\u76ee\u65f6\u53d7\u76ca\u826f\u591a\u3002\u540e\u6765\u8fd9\u4e2a\u9879\u76ee\u7684\u5b8c\u6210\u6bd4\u539f\u6765\u9884\u60f3\u7684\u987a\u5229\u5f88\u591a\uff0c\u6548\u679c\u4e5f\u8d85\u51fa\u4e86\u6211\u4eec\u5f00\u59cb\u65f6\u7684\u9884\u671f\u3002<\/p>\n

\u6570\u636e\u5e93\u7684\u6838\u5fc3\u6280\u672f\u5b9e\u65e0\u6cd5\u505a\u6807\u51c6\u5316\u7684\uff0c\u505a\u8d77\u6765\u4e5f\u65e0\u76ca\uff0c\u5dee\u5f02\u5316\u7ade\u4e89\u624d\u80fd\u8ba9\u4f18\u79c0\u7684\u6570\u636e\u5e93\u4ea7\u54c1\u66f4\u597d\u7684\u6210\u957f\u8d77\u6765\u3002\u4e0d\u8fc7\u5728\u67d0\u4e9b\u65b9\u9762\u8fd8\u662f\u53ef\u4ee5\u5efa\u7acb\u4e00\u4e9b\u56fd\u6807\u7684\u3002\u6bd4\u5982\u53ef\u89c2\u6d4b\u6027\u63a5\u53e3\u3001\u6570\u636e\u5b57\u5178\u8868\u3001\u4e91\u5e73\u53f0\u7eb3\u7ba1\u63a5\u53e3\u7b49\u5916\u56f4\u63a5\u53e3\u65b9\u9762\uff0c\u5982\u679c\u80fd\u5f62\u6210\u6807\u51c6\u5316\uff0c\u90a3\u4e48\u5bf9\u4e8e\u56fd\u4ea7\u6570\u636e\u5e93\u5e02\u573a\u8fd8\u662f\u6709\u6240\u52a9\u76ca\u7684\u3002<\/p>\n

\u6211\u4eec\u662f\u505a\u8fd0\u7ef4\u5de5\u5177\u7684\uff0c\u5bf9\u53ef\u89c2\u6d4b\u6027\u63a5\u53e3\u7684\u95ee\u9898\u6df1\u6709\u611f\u89e6\u3002\u6bcf\u7eb3\u7ba1\u4e00\u4e2a\u6570\u636e\u5e93\u4ea7\u54c1\uff0c\u6211\u4eec\u90fd\u9700\u8981\u4ece\u5934\u5f00\u53d1\uff0c\u4ece\u6307\u6807\u4f53\u7cfb\u6784\u5efa\uff0c\u5230\u6307\u6807\u91c7\u96c6\uff0c\u518d\u5230\u8bca\u65ad\u5de5\u5177\uff0c\u90fd\u8981\u91cd\u65b0\u5199\u4e00\u5957\u3002\u5b9e\u9645\u4e0a\uff0c\u4e0d\u7ba1\u6570\u636e\u5e93\u4ea7\u54c1\u6838\u5fc3\u7684\u5dee\u5f02\u6709\u591a\u5927\uff0c\u5f88\u591a\u6307\u6807\u5b9e\u9645\u4e0a\u90fd\u662f\u6807\u51c6\u7684\uff0c\u8d1f\u8f7d\u3001\u6027\u80fd\u3001\u5e76\u53d1\u3001\u96c6\u7fa4\u7b49\u65b9\u9762\u90fd\u6709\u5f88\u591a\u6307\u6807\u90fd\u662f\u666e\u9002\u6027\u7684\uff0c\u7cfb\u7edf\u72b6\u6001\u3001\u7cfb\u7edf\u6307\u6807\u3001\u7b49\u5f85\u4e8b\u4ef6\u7b49\u63a5\u53e3\u80fd\u529b\u90fd\u662f\u53ef\u4ee5\u63d0\u4f9b\u7684\u3002\u5728\u6211\u4eec\u8fd9\u4e9b\u5e74\u7684\u5de5\u5177\u5f00\u53d1\u4e2d\u53d1\u73b0\uff0cPG\u517c\u5bb9\u7684\u6570\u636e\u5e93\u4ea7\u54c1\u7684\u76d1\u63a7\u5f00\u53d1\u5de5\u4f5c\u91cf\u76f8\u5bf9\u8f83\u5c0f\uff0c\u867d\u7136\u5f88\u591a\u6570\u636e\u5e93\u5728\u5e95\u5c42\u90fd\u505a\u4e86\u5f88\u591a\u4f18\u5316\uff0c\u4e5f\u589e\u52a0\u4e86\u4e00\u4e9b\u53ef\u89c2\u6d4b\u6027\u7684\u63a5\u53e3\uff0c\u4e0d\u8fc7\u56e0\u4e3a\u5176\u6838\u5fc3\u90e8\u5206\u7684\u6307\u6807\u4f53\u7cfb\uff0c\u76d1\u63a7\u89c6\u56fe\u65b9\u9762\u5b58\u5728\u8f83\u591a\u517c\u5bb9\u7684\u5730\u65b9\uff0c\u56e0\u6b64\u7eb3\u7ba1\u65b0\u7684PG\u7c7b\u7684\u56fd\u4ea7\u6570\u636e\u5e93\u7684\u5f00\u53d1\u6210\u672c\u8fdc\u4f4e\u4e8e\u4e00\u4e2a\u5168\u65b0\u7684\u6570\u636e\u5e93\u4ea7\u54c1\u3002<\/p>\n

\u5982\u679c\u80fd\u591f\u5f62\u6210\u4e00\u5957\u56fd\u5bb6\u6807\u51c6\uff0c\u90a3\u4e48\u4eca\u540e\u4e0d\u4ec5\u5bf9\u4e8e\u6570\u636e\u5e93\u76d1\u63a7\u4ea7\u54c1\u7684\u5382\u5546\uff0c\u5bf9\u4e8eDBA\u6765\u8bf4\u4e5f\u662f\u4e00\u4e2a\u798f\u97f3\u3002\u6bd4\u5982\u65e5\u5fd7\u6587\u4ef6\u7684\u5b58\u50a8\u4f4d\u7f6e\uff0c\u65e5\u5fd7\u6587\u4ef6\u7684\u6587\u4ef6\u540d\u683c\u5f0f\uff0c\u65e5\u5fd7\u6761\u76ee\u7684\u683c\u5f0f\uff0c\u8fd9\u4e9b\u6309\u7167\u4e00\u4e2a\u6807\u51c6\u5316\u7684\u683c\u5f0f\u53bb\u8f93\u51fa\uff0c\u5bf9\u4e8e\u6570\u636e\u5e93\u5185\u6838\u6765\u8bf4\u5f71\u54cd\u4e0d\u5927\uff0c\u5b8c\u5168\u662f\u53ef\u4ee5\u6807\u51c6\u5316\u7684\u3002\u751a\u81f3\u65e5\u5fd7\u8f93\u51fa\u7684\u5185\u5bb9\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u505a\u4e00\u4e9b\u6807\u51c6\u5316\uff0c\u6bd4\u5982\u9519\u8bef\u7c7b\u65e5\u5fd7\uff0c\u53ef\u4ee5\u5b66\u4e60Oracle\u90a3\u6837\uff0c\u628a\u5e94\u7528\u4e2d\u51e0\u5c42\u5806\u6808\u7684\u62a5\u9519\u6309\u7167\u987a\u5e8f\u4e00\u8d77\u8f93\u51fa\uff0c\u800c\u4e0d\u4ec5\u4ec5\u8f93\u51fa\u6700\u540e\u62a5\u9519\u70b9\u591a\u800c\u9519\u8bef\u4fe1\u606f\uff0c\u8fd9\u5341\u5206\u6709\u52a9\u4e8e\u6545\u969c\u8bca\u65ad\u3002<\/p>\n

\u6570\u636e\u5b57\u5178\u63a5\u53e3\u6807\u51c6\u5316\u4e5f\u4f1a\u7ed9DBA\u4e0e\u751f\u6001\u5de5\u5177\u5408\u4f5c\u4f19\u4f34\u5e26\u6765\u6781\u5927\u7684\u4fbf\u5229\u3002Tablename\/table_name\/tname\u8fd9\u4e9b\u5b57\u6bb5\u90fd\u80fd\u8868\u793a\u8868\u7684\u540d\u5b57\uff0c\u4e3a\u4ec0\u4e48\u5c31\u4e0d\u80fd\u4f7f\u7528\u7edf\u4e00\u7684\u540d\u79f0\u5462\uff1f\u65e2\u7136\u5927\u5bb6\u4e60\u60ef\u4f7f\u7528dba_tables\u4e86\uff0c\u5927\u5bb6\u5c31\u90fd\u7528\u8fd9\u4e2a\u8033\u719f\u80fd\u8be6\u7684\u89c6\u56fe\u540d\u79f0\u597d\u4e86\u3002\u56fd\u4ea7\u6570\u636e\u5e93\u90fd\u91c7\u7528\u6807\u51c6\u7684\u6570\u636e\u5b57\u5178\u63a5\u53e3\uff0c\u4e5f\u53ef\u4ee5\u964d\u4f4e\u56fd\u4ea7\u6570\u636e\u5e93\u7684\u5b66\u4e60\u6210\u672c\uff0c\u8ba9\u5e94\u7528\u8f6f\u4ef6\u5728\u4e0d\u540c\u7684\u56fd\u4ea7\u6570\u636e\u5e93\u4e4b\u95f4\u505a\u8fc1\u79fb\u65f6\u6210\u672c\u5f97\u5230\u6781\u5927\u7684\u964d\u4f4e\u3002<\/p>\n

\u7f16\u7a0b\u63a5\u53e3\u7684\u6807\u51c6\u5316\u5de5\u4f5c\u5b9e\u9645\u4e0a\u6709\u4e00\u90e8\u5206\u5df2\u7ecf\u8ba9JDBC\/ODBC\u7b49\u4e8b\u5b9e\u4e0a\u7684\u6807\u51c6\u505a\u4e86\u3002\u4e0d\u8fc7\u5728\u4e00\u4e9b\u5e38\u7528\u7684\u7ec6\u8282\u4e0a\uff0c\u4e0d\u540c\u7684\u6570\u636e\u5e93\u4ea7\u54c1\u4f9d\u7136\u5341\u5206\u6709\u4e2a\u6027\u3002\u5e8f\u5217\u53f7\u7684\u4f7f\u7528\uff0cOracle\u7528seq.nextval\uff0c\u6709\u4e0d\u5c11\u56fd\u4ea7\u6570\u636e\u5e93\u505a\u4e86\u8fd9\u65b9\u9762\u7684\u517c\u5bb9\uff0c\u4f46\u662f\u5e76\u4e0d\u662f\u6240\u6709\u7684\u6570\u636e\u5e93\u4ea7\u54c1\u90fd\u8fd9\u4e48\u4f7f\u7528\u3002\u5b58\u50a8\u8fc7\u7a0b\u5c31\u66f4\u662f\u767e\u82b1\u9f50\u653e\u4e86\uff0cMYSQL\u7cfb\u7684PG\u7cfb\u7684\uff0c\u4effOracle PL\/SQL\u7684\u4e09\u5927\u7cfb\u5217\u4e09\u8db3\u9f0e\u7acb\u3002\u6211\u4eec\u662f\u4e0d\u662f\u4e5f\u53ef\u4ee5\u51fa\u4e00\u4e2a\u56fd\u5bb6\u7ea7\u7684\u5b58\u50a8\u8fc7\u7a0b\u8bed\u6cd5\u6807\u51c6\u5462\uff1f\u6211\u4eec\u5b8c\u5168\u53ef\u4ee5\u5b66\u4e60Oracle\uff0c\u7528\u7c7bADA\u8bed\u6cd5\u505a\u4e00\u4e2a\u6807\u51c6\uff0c\u8fd9\u4e2a\u6807\u51c6\u57fa\u672c\u4e0a\u517c\u5bb9\u4e86Oracle\u7684PL\/SQL\uff0c\u4e5f\u5177\u6709\u4e00\u5b9a\u7684\u72ec\u7acb\u6027\u3002<\/p>\n

\u5173\u4e8e\u6570\u636e\u5e93\u4e91\u7eb3\u7ba1\u6807\u51c6\u5b9e\u9645\u4e0a\u6765\u81ea\u4e8e\u6700\u8fd1\u9047\u5230\u7684\u4e00\u4e2a\u6848\u4f8b\u3002\u67d0\u4f01\u4e1a\u6d4b\u8bd5\u56fd\u4ea7\u6570\u636e\u5e93\u4ea7\u54c1\uff0c\u5fc5\u987b\u5728\u4e91\u5e73\u53f0\u4e0a\u6d4b\u8bd5\u3002\u8fd9\u5c31\u9047\u5230\u4e86\u4e0d\u516c\u5e73\u7684\u95ee\u9898\uff0c\u56e0\u4e3a\u4e91\u5e73\u53f0\u5382\u5bb6\u81ea\u5df1\u7684\u6570\u636e\u5e93\u4ea7\u54c1\u53ef\u4ee5\u4ee5RDS\u7684\u5f62\u5f0f\u63d0\u4f9b\uff0c\u800c\u7b2c\u4e09\u65b9\u7684\u56fd\u4ea7\u6570\u636e\u5e93\u4ea7\u54c1\u5c31\u53ea\u80fd\u90e8\u7f72\u5230\u4e91\u4e3b\u673a\u91cc\u4e86\u3002RDS\u90e8\u7f72\u4e0d\u4ec5\u90e8\u7f72\u8d77\u6765\u6bd4\u7b2c\u4e09\u65b9\u6570\u636e\u5e93\u65b9\u4fbf\uff0c\u66f4\u91cd\u8981\u7684\u662fRDS\u90fd\u662f\u8dd1\u5728\u88f8\u91d1\u5c5e\u670d\u52a1\u5668\u4e0a\u7684\uff0c\u800c\u4e91\u4e3b\u673a\u7684\u4e91\u76d8\u6027\u80fd\u5783\u573e\u7684\u5f88\u3002\u8fd9\u6837\u6d4b\u8bd5\u4e0b\u6765\uff0c\u516c\u6b63\u6027\u5c31\u5927\u6253\u6298\u6263\u4e86\u3002\u4e8e\u662f\u4e91\u5382\u5546\u548c\u6570\u636e\u5e93\u5382\u5546\u4e4b\u95f4\u5c31\u6253\u8d77\u5634\u70ae\u6765\u4e86\u3002\u6570\u636e\u5e93\u5382\u5546\u8bf4\u4e91\u5382\u5546\u6392\u5916\uff0c\u4e0d\u80af\u628a\u4ed6\u4eec\u7684\u6570\u636e\u5e93\u7eb3\u5165RDS\u8303\u7574\uff0c\u4e91\u5382\u5546\u8bf4\u56fd\u4ea7\u6570\u636e\u5e93\u4ea7\u54c1\u8fd9\u4e48\u591a\uff0c\u6807\u51c6\u4e0d\u7edf\u4e00\uff0c\u6211\u4eec\u628a\u4ed6\u4eec\u505a\u6210RDS\u6210\u672c\u592a\u9ad8\u3002\u5982\u679c\u5927\u5bb6\u5404\u9000\u4e00\u6b65\uff0c\u4e91\u5382\u5546\u505a\u4e00\u4e2a\u6570\u636e\u5e93RDS\u7eb3\u7ba1\u63a5\u53e3\u6807\u51c6\u89c4\u8303\uff0c\u6570\u636e\u5e93\u5382\u5546\u5404\u81ea\u5b9e\u73b0\u63a5\u53e3\u89c4\u8303\uff0c\u8fd9\u4e2a\u95ee\u9898\u4e0d\u5c31\u89e3\u51b3\u4e86\u3002\u5f53\u7136\u6280\u672f\u4e0a\u4e0d\u96be\uff0c\u8fd9\u4e2a\u6848\u4f8b\u4e2d\u5b9e\u9645\u4e0a\u8fd8\u662f\u4e00\u4e2a\u5546\u52a1\u95ee\u9898\u3002<\/p>\n

\u65e0\u8bba\u5982\u4f55\uff0c\u8fd9\u4e9b\u6807\u51c6\u90fd\u53ea\u662f\u63a5\u53e3\u4e0a\u7684\u6807\u51c6\u3002\u4e0d\u540c\u7684\u6570\u636e\u5e93\u4ea7\u54c1\u7684\u6838\u5fc3\u5dee\u5f02\u6781\u5927\u3002\u54ea\u6015\u6211\u4eec\u7528SQL\u8bbf\u95ee\u8d77\u6765\uff0cSQL\u4ee3\u7801\u90fd\u662f\u517c\u5bb9\u7684\uff0c\u4f46\u662f\u8bbf\u95ee\u6570\u636e\u5e93\u7684\u6267\u884c\u8ba1\u5212\u5dee\u5f02\u4f1a\u5f88\u5927\uff0c\u76f8\u540c\u7684\u6267\u884c\u8ba1\u5212\u7b97\u5b50\uff0c\u5176\u6027\u80fd\u4e0e\u80fd\u529b\u4e5f\u4f1a\u6709\u5dee\u5f02\uff0c\u56e0\u6b64\u63a5\u53e3\u4e0a\u7684\u517c\u5bb9\u6027\u4e0d\u7b49\u4e8e\u80fd\u529b\u7684\u5b8c\u5168\u66ff\u4ee3\u3002\u4ee5\u524d\u6211\u4eec\u505a\u8fc7\u7684\u6570\u636e\u5e93\u8fc1\u79fb\u9879\u76ee\u4e2d\uff0c\u4eceOracle\u8fc1\u79fb\u5230\u67d0\u56fd\u4ea7\u6570\u636e\u5e93\u4e0a\uff0cSQL\u6267\u884c\u65f6\u95f4\u53d8\u957f\u6570\u500d\u751a\u81f3\u5341\u6570\u500d\u662f\u5341\u5206\u5e38\u89c1\u7684\u3002\u4e0d\u8fc7\u8fd9\u4e9b\u95ee\u9898\u6700\u7ec8\u90fd\u901a\u8fc7\u4f18\u5316\u53bb\u89e3\u51b3\u6389\u4e86\u3002\u6211\u4eec\u7684\u5f88\u591a\u5e94\u7528\u7cfb\u7edf\u7684\u6570\u636e\u5e93\u8bbe\u8ba1\u505a\u7684\u90fd\u5f88\u5dee\uff0c\u7d22\u5f15\u5efa\u7684\u5f88\u4e71\uff0c\u5728Oracle CBO\u4e0b\uff0c\u8fd9\u4e00\u5207\u90fd\u8fd8\u4e0d\u662f\u95ee\u9898\uff0c\u4f46\u662f\u8fc1\u79fb\u5230\u56fd\u4ea7\u6570\u636e\u5e93\u4e0a\uff0c\u5c31\u95ee\u9898\u591a\u591a\u4e86\u3002\u8fd9\u4e9b\u5185\u529f\u7684\u95ee\u9898\uff0c\u9700\u8981\u6211\u4eec\u7684\u56fd\u4ea7\u6570\u636e\u5e93\u5382\u5546\u9010\u6b65\u53bb\u89e3\u51b3\uff0c\u800c\u4e00\u4e9b\u63a5\u53e3\u7684\u6807\u51c6\u5316\u4e0a\uff0c\u5b9e\u9645\u4e0a\u76ee\u524d\u662f\u5e94\u8be5\u505a\u4e9b\u5de5\u4f5c\u4e86\u3002<\/p>\n

\n

\u8fd9\u4e9b\u6807\u51c6\u4e0d\u9700\u8981\u8bbe\u7f6e\u4e3a\u884c\u4e1a\u5f3a\u5236\u6807\u51c6\uff0c\u800c\u662f\u7ed9\u4e00\u4e9b\u613f\u610f\u8ba9\u4f7f\u7528\u8005\u7528\u7684\u66f4\u4e60\u60ef\u7684\u6570\u636e\u5e93\u5382\u5546\u6709\u4e00\u4e2a\u53c2\u8003\u6807\u51c6\u3002\u5982\u679c\u6709\u4e00\u4e9b\u5382\u5bb6\u613f\u610f\u53c2\u4e0e\u8fdb\u6765\uff0c\u5f62\u6210\u7684\u5c0f\u96c6\u56e2\u786e\u5b9e\u65b9\u4fbf\u4e86\u7528\u6237\uff0c\u90a3\u4e48\u4f1a\u6709\u66f4\u591a\u7684\u7528\u6237\u4f1a\u53c2\u4e0e\u8fdb\u6765\uff0c\u5382\u5bb6\u5b9e\u9645\u4e0a\u4e5f\u4f1a\u53d7\u76ca\u3002\u8fd9\u6837\u5c31\u80fd\u591f\u8ba9\u66f4\u591a\u7684\u6570\u636e\u5e93\u5382\u5546\u4e5f\u53c2\u4e0e\u8fdb\u6765\u3002\u8fd9\u79cd\u9760\u5e02\u573a\u53d1\u5c55\u7684\u6807\u51c6\uff0c\u6bd4\u90a3\u4e9b\u88ab\u7528\u4e8e\u62db\u6807\u7684\u6807\u51c6\uff0c\u6709\u4ef7\u503c\u7684\u591a\u3002\u200b<\/p>\n

<\/div>\n

<\/g><\/svg><\/i> \"Loading\"<\/p>\n

<\/div>\n","protected":false},"excerpt":{"rendered":"

\u524d\u9635\u5b50\u6709\u4e2a\u4f01\u4e1a\u7684IT\u8d1f\u8d23\u4eba\u548c\u6211\u8ba8\u8bba\uff0c\u5bf9\u4e8e\u4fe1\u521b\u6570\u636e\u5e93\uff0c\u5236\u5b9a\u4e00\u4e9b\u56fd\u5bb6\u6807\u51c6\uff0c\u4f1a\u4e0d\u4f1a\u5bf9\u56fd\u4ea7\u6570\u636e\u5e93\u4ea7\u4e1a\u6709\u5e2e\u52a9\u3002\u5f53\u65f6\u6211\u7684\u7b2c […]<\/p>\n

<\/div>\n

<\/g><\/svg><\/i> \"Loading\"<\/p>\n

<\/div>\n","protected":false},"author":3,"featured_media":8984,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-8982","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-17"],"_links":{"self":[{"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/posts\/8982","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/comments?post=8982"}],"version-history":[{"count":2,"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/posts\/8982\/revisions"}],"predecessor-version":[{"id":8986,"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/posts\/8982\/revisions\/8986"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/media\/8984"}],"wp:attachment":[{"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/media?parent=8982"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/categories?post=8982"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aif.amtbbs.org\/index.php\/wp-json\/wp\/v2\/tags?post=8982"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}