{"id":691,"date":"2019-05-09T12:56:08","date_gmt":"2019-05-09T04:56:08","guid":{"rendered":"https:\/\/cleardatascience.com\/postgresql\/"},"modified":"2019-06-06T18:53:55","modified_gmt":"2019-06-06T10:53:55","slug":"postgresql","status":"publish","type":"page","link":"https:\/\/cleardatascience.com\/zh-hant\/postgresql\/","title":{"rendered":"PostgreSQL"},"content":{"rendered":"

\"\"<\/h4>\n

\u4e16\u754c\u4e0a\u6700\u5c16\u7aef\u7684\u958b\u6e90\u95dc\u4fc2\u8cc7\u6599\u5eab<\/span><\/h4>\n
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\u6ed9\u667a\u6578\u64da\u79d1\u5b78\u6709\u9650\u516c\u53f8(CDS)<\/span> \u662f\u4e00\u5bb6\u6578\u64da\u79d1\u5b78\u516c\u53f8\u719f\u6089\u4e0d\u540c\u7684\u8cc7\u6599\u5009\u5eab\u4e0b\u7684\u6578\u64da\u5eab\uff0c\u7269\u806f\u7db2\u5728NoSQL\u4e0a\u7684\u61c9\u7528\u53caHadoop\u5167\u7684\u975e\u7d50\u69cb\u6027\u7684\u6578\u64da\u3002\u6191\u8457\u6211\u5011\u5728\u6578\u64da\u7ba1\u7406\u53ca\u6578\u64da\u67b6\u69cb\u7684\u80fd\u529b\uff0c\u6211\u5011\u6709\u4fe1\u5fc3\u70ba\u5ba2\u6236\u5efa\u69cb\u5404\u5f0f\u5404\u6a23\u7684\u6578\u64da\u5e73\u53f0\u3002.<\/h3>\n
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\u95dc\u65bcPostgreSQL<\/strong><\/h3>\n<\/div>\n
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PostgreSQL\u662f\u4e00\u500b\u958b\u6e90\u7684\u95dc\u4fc2\u8cc7\u6599\u5eab\u5f37\u8abf\u53ef\u64f4\u5145\u6027\u53ca\u9075\u5f9e\u6a19\u6e96\u3002\u57fa\u65bc\u9019\u500b\u6838\u5fc3\u67b6\u69cb\uff0c\u5b83\u53ef\u4ee5\u61c9\u5c0d\u4e0d\u540c\u5de5\u4f5c\u91cf\uff0c\u5f9e\u55ae\u6a5f\u81f3\u64c1\u6709\u5927\u91cf\u7528\u6236\u9700\u6c42\u7684\u7db2\u7ad9\u670d\u52d9\u6216\u5927\u578b\u8cc7\u6599\u5009\u5eab\u90fd\u80fd\u8f15\u9b06\u81ea\u5982\u3002\u9019\u5957\u8cc7\u6599\u5eab\u5f15\u64ce\u80fd\u5920\u8ddf\u4efb\u4f55\u4f01\u696d\u7d1a\u5f15\u64ce\u722d\u4e00\u65e5\u4e4b\u9577\u77ed\uff0c\u4f46\u4e26\u4e0d\u9700\u8981\u6295\u653e\u5927\u91cf\u91d1\u9322\u4ee5\u53d6\u5f97\u4f7f\u7528\u6b0a\u3002<\/p>\n<\/div>\n

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\u4f01\u696d\u7d1a\u529f\u80fd<\/strong><\/h3>\n<\/div>\n
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    \n
  • \u591a\u7248\u672c\u7684\u5be6\u6642\u63a7\u5236 (MVCC)<\/li>\n
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  • \u7cbe\u5bc6\u7684\u8cc7\u6599\u5eab\u4ea4\u6613\u9396\u5b9a\u6a5f\u5236<\/li>\n
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  • \u6aa2\u8996\u8868(View), \u884c\u70ba\u6e96\u5247(rules), \u5b50\u67e5\u8a62(subquery)<\/li>\n
  • \u5d4c\u5957\u4ea4\u6613\u7684\u65b9\u6cd5(savepoints) \u300c\u5b50\u4e8b\u52d9\u300d<\/li>\n
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  • \u9ad8\u53ef\u7528\u6027 (HA)<\/li>\n
  • \u8de8\u5e73\u53f0\u652f\u63f4 (AIX, HP\/UX, Solaris, FreeBSD, Mac OS-X, Linux (all distros), Windows, etc.)<\/li>\n<\/ul>\n<\/div>\n
    <\/div>\n
    <\/div>\n<\/div>\n
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    <\/div>\n
    \n

    \u5c08\u696d\u670d\u52d9<\/strong><\/h3>\n<\/div>\n
    <\/div>\n
    \n

    \u6211\u5011\u7684\u8cc7\u6599\u5eab\u5c08\u5bb6\u8655\u7406\u7ba1\u7406\u4e0d\u540c\u7684\u95dc\u4fc2\u8cc7\u6599\u5eab\uff0c\u5305\u62ecEnterpriseDB PostgreSQL\u3001MariaDB\u3001 MySQL\u3001IBM DB2\u3001IBM Informix\u3001Microsoft SQL Server\u3001Oracle\u3001Sybase ASE\u53caSybase IQ\u3002<\/p>\n

    \u5b89\u88dd\u53ca\u8a2d\u5b9a<\/strong><\/p>\n

    \u5354\u52a9\u5ba2\u6236\u53bb\u5b89\u88dd\u53ca\u8a2d\u5b9aPostgreSQL\u74b0\u5883\uff0c\u5305\u62ec\u5728\u53cb\u597d\u5925\u4f34\u7684\u96f2\u7aef\u4e0a\u8207\u516c\u53f8\u5167\u7684\u96c6\u7fa4\u3001\u8ca0\u8f09\u5e73\u8861\u548c\u9ad8\u53ef\u7528\u6027\u7cfb\u7d71\u3002\u5168\u90e8\u5b89\u88dd\u53ca\u8a2d\u5b9a\u90fd\u662f\u57fa\u65bc\u7531PostgreSQL\u5b98\u65b9\u7db2\u7ad9\u63d0\u4f9b\u7684\u300c\u6700\u4f73\u5be6\u8e10\u65b9\u5f0f\u300d\u3002<\/p>\n

    \u66f4\u63db\u7532\u9aa8\u6587\u8cc7\u6599\u5eab<\/strong><\/p>\n

    \u5354\u52a9\u5ba2\u6236\u5229\u7528\u5f37\u5927\u7684\u958b\u6e90\u8cc7\u6599\u5eabPostgreSQL\u53bb\u5efa\u8a2d\u8cc7\u6599\u5009\u5eab\u6216\u4ea4\u6613\u8cc7\u6599\u5eab\u3002\u64c1\u6709\u8c50\u5bcc\u7d93\u9a57\uff0c\u4ee5\u958b\u6e90\u8cc7\u6599\u5eab\u53d6\u4ee3\u7532\u9aa8\u6587\u8cc7\u6599\u5eab\uff0c\u7576\u4e2d\u5305\u62ec\u628a\u7532\u9aa8\u6587\u5167\u7684\u8cc7\u6599\u67b6\u69cb\uff0c\u751a\u6216\u662f\u628a\u7532\u9aa8\u6587\u5167\u7684PL\/SQL\u8f49\u5316\u70baPostgreSQL\u7684PL\/pgSQL\u3002<\/p>\n

    \u8cc7\u6599\u5eab\u7684\u6548\u7387\u512a\u5316<\/strong><\/p>\n

    \u8981\u512a\u5316\u8cc7\u6599\u5eab\u7684\u6548\u7387\uff0c\u57fa\u672c\u4e0a\u90fd\u662f\u91dd\u5c0d\u7cfb\u7d71\u8cc7\u6e90\u904b\u7528\u4e0a\u4f5c\u51fa\u6539\u5584\uff0c\u5982\u4e2d\u592e\u8655\u7406\u5668\u3001\u8a18\u61b6\u9ad4\u53ca\u8cc7\u6599\u8b80\u5beb\u3002\u70ba\u4e86\u63d0\u5347\u6548\u7387\uff0c\u9700\u8981\u9032\u884c\u4e00\u9023\u4e32\u7684\u884c\u52d5\uff1a<\/p>\n

      \n
    • \u5206\u6790PostgreSQL\u7684\u7cfb\u7d71\u8a2d\u5b9a\u53ca\u4f7f\u7528\u8cc7\u8a0a<\/li>\n
    • \u66f4\u65b0\u8cc7\u6599\u5eab\u5167\u7684\u8a2d\u5b9a\u4f5c\u8abf\u6821<\/li>\n
    • \u91cd\u5beb\/ \u8abf\u6821\u4e00\u4e9b\u7de9\u6162SQL\u67e5\u8a62\u6216\u8a2a\u554f<\/li>\n
    • \u4ed4\u7d30\u8abf\u67e5\u4ee5\u6e1b\u5c11\u5df2\u4e0a\u9396\u7684\u7269\u4ef6\u7b49\u5019\u6642\u9593<\/li>\n<\/ul>\n

      \u57f9\u8a13\u670d\u52d9<\/strong><\/p>\n

      \u6211\u5011\u9858\u610f\u5206\u4eab\u6211\u5011\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u4e0a\u7684\u7d93\u9a57\uff0c\u5305\u62ec\u4e0d\u540c\u7684\u7528\u9014\u2014\uff08\u4ea4\u6613\u8cc7\u6599\u5eab\uff09OLTP\u53ca\uff08\u5206\u6790\u8cc7\u6599\u5eab\uff09OLAP\u3002\u6211\u5011\u63d0\u4f9b\u4e0d\u540c\u7684\u57f9\u8a13\u8ab2\u7a0b\uff1a<\/p>\n

        \n
      • PostgreSQL\u57fa\u790e\u8ab2\u7a0b<\/li>\n
      • PostgreSQL \u7ba1\u7406\u53ca\u6548\u80fd\u512a\u5316<\/li>\n
      • PostgreSQL \u8907\u88fd\u53ca\u6062\u5fa9<\/li>\n<\/ul>\n<\/div>\n<\/div>\n
        \n
        <\/div>\n
        <\/div>\n<\/div>\n

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

        \u4e16\u754c\u4e0a\u6700\u5c16\u7aef\u7684\u958b\u6e90\u95dc\u4fc2\u8cc7\u6599\u5eab \u6ed9\u667a\u6578\u64da\u79d1 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"templates\/fullwidth.php","meta":{"_acf_changed":false,"nf_dc_page":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-691","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nPostgreSQL - 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