{"id":267,"date":"2022-03-24T00:18:10","date_gmt":"2022-03-23T15:18:10","guid":{"rendered":"https:\/\/kashiiblog.com\/?p=267"},"modified":"2022-03-24T00:28:18","modified_gmt":"2022-03-23T15:28:18","slug":"%e3%80%90oss-db-exam-silver%e3%80%9110-%e3%83%88%e3%83%a9%e3%83%b3%e3%82%b6%e3%82%af%e3%82%b7%e3%83%a7%e3%83%b3","status":"publish","type":"post","link":"https:\/\/kashiiblog.com\/?p=267","title":{"rendered":"10.\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3010OSS DB exam Silver\u3011"},"content":{"rendered":"<p>\u73fe\u5728OSS-DB Silver Ver.2\u3092\u52c9\u5f37\u4e2d\u306e\u30b5\u30a4\u30c8\u4e3b\u3067\u3059\u3002<\/p>\n<p>OSS DB Silver\u3092\u672c\u3067\u52c9\u5f37\u3057\u3066\u3044\u3066\u3082\u56f3\u306b\u3057\u306a\u3044\u3068\u308f\u304b\u3089\u306a\u304b\u3063\u305f\u308a\u3001\u8868\u306b\u3057\u305f\u307b\u3046\u304c\u5206\u304b\u308a\u3084\u3059\u3044\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u81ea\u5206\u304c\u899a\u3048\u306b\u304f\u3044\u3068\u601d\u3063\u305f\u3053\u3068\u3001\u6df7\u540c\u3057\u3084\u3059\u3044\u3053\u3068\u3092\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002\u66f8\u3044\u3066\u3042\u308b\u3053\u3068\u306f\u5e38\u8b58\u306a\u3053\u3068\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u79c1\u304c\u308f\u304b\u3089\u306a\u304b\u3063\u305f\u3053\u3068\u3092\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u52c9\u5f37\u6cd5\u306a\u3069\u306f\u4e0b\u8a18\u306b\u8a18\u8f09\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/kashiiblog.com\/?p=239\">OSS DB Silver\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u3084\u3063\u305f\u3053\u3068<\/a><\/p>\n<h2>OSS DB exam Silver\u306e\u52c9\u5f37\u5185\u5bb9<\/h2>\n<ol>\n<li><span style=\"font-weight: 400;\"><a href=\"https:\/\/kashiiblog.com\/?p=247\">\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u4e00\u822c\u7684\u7279\u5fb4<\/a><\/span><\/li>\n<li><a href=\"https:\/\/kashiiblog.com\/?p=249\"><span style=\"font-weight: 400;\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u57fa\u790e\u77e5\u8b58<\/span><\/a><\/li>\n<li><a href=\"https:\/\/kashiiblog.com\/?p=252\"><span style=\"font-weight: 400;\">\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/span><\/a><\/li>\n<li><a href=\"https:\/\/kashiiblog.com\/?p=254\"><span style=\"font-weight: 400;\">\u6a19\u6e96\u4ed8\u5c5e\u30c4\u30fc\u30eb<\/span><\/a><\/li>\n<li><a href=\"https:\/\/kashiiblog.com\/?p=257\"><span style=\"font-weight: 400;\">\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb<\/span><\/a><\/li>\n<li><a href=\"https:\/\/kashiiblog.com\/?p=259\"><span style=\"font-weight: 400;\">\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3068\u30ea\u30b9\u30c8\u30a2<\/span><\/a><\/li>\n<li><a href=\"https:\/\/kashiiblog.com\/?p=261\"><span style=\"font-weight: 400;\">\u57fa\u672c\u7684\u306a\u904b\u7528\u7ba1\u7406<\/span><\/a><\/li>\n<li><a href=\"https:\/\/kashiiblog.com\/?p=263\"><span style=\"font-weight: 400;\">SQL\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<\/span><\/a><\/li>\n<li><a href=\"https:\/\/kashiiblog.com\/?p=265\"><span style=\"font-weight: 400;\">\u7d44\u307f\u8fbc\u307f\u95a2\u6570\u3068\u6f14\u7b97\u5b50<\/span><\/a><\/li>\n<li><span style=\"font-weight: 400;\">\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3<\/span><span style=\"font-weight: 400;\"><strong>\u21e6\u4eca\u65e5\u306f\u3053\u308c\uff01<\/strong><\/span><\/li>\n<\/ol>\n<h2><span style=\"font-weight: 400;\">10.\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\u4e00\u3064\u306e\u51e6\u7406\u3092\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3068\u3044\u3046\u3002<\/span><\/p>\n<h3><strong>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u7a2e\u985e<\/strong><\/h3>\n<p>BEGIN\u3000\u3000\uff1a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u958b\u59cb\u3057\u307e\u3059\u3002<br \/>\nSTART TRANSACTION\uff1a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u958b\u59cb\u3057\u307e\u3059\u3002<br \/>\nCOMMIT\u3000\uff1a\u30b3\u30df\u30c3\u30c8\u3057\u3066\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u7d42\u4e86\u3057\u307e\u3059\u3002<br \/>\nEND\u3000\u3000\u3000\uff1a\u30b3\u30df\u30c3\u30c8\u3057\u3066\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u7d42\u4e86\u3057\u307e\u3059\u3002<br \/>\nROLLBACK\uff1a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u9014\u4e2d\u505c\u6b62\u3057\u51e6\u7406\u3092\u6700\u521d\u304b\u3089\u3059\u3079\u3066\u53d6\u308a\u6d88\u3057\u307e\u3059\u3002<br \/>\nABORT\u3000\u3000\uff1a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u9014\u4e2d\u505c\u6b62\u3057\u51e6\u7406\u3092\u6700\u521d\u304b\u3089\u3059\u3079\u3066\u53d6\u308a\u6d88\u3057\u307e\u3059\u3002<\/p>\n<h3><strong>ACID\u7279\u6027\u306b\u3064\u3044\u3066<\/strong><\/h3>\n<p><strong>Atomicity \uff08\u539f\u5b50\u6027\uff09<\/strong><br \/>\n\u305d\u308c\u4ee5\u4e0a\u5206\u89e3\u3067\u304d\u306a\u3044\u5358\u4f4d\u306e\u64cd\u4f5c\u3067\u3042\u308b<br \/>\n\u300c\u5909\u66f4\u3055\u308c\u305f\u300d\u304b\u300c\u5909\u66f4\u3055\u308c\u3066\u3044\u306a\u3044\u304b\u300d\u306e\u3069\u3061\u3089\u304b<br \/>\n<strong>Consistency \uff08\u4e00\u8cab\u6027\u3001\u6574\u5408\u6027\uff09<\/strong><br \/>\n\u4e88\u3081\u5b9a\u3081\u3089\u308c\u305f\u30eb\u30fc\u30eb\u306b\u5247\u3063\u305f\uff08\u6574\u5408\u6027\u306e\u53d6\u308c\u305f\uff09\u72b6\u614b\u3067\u3042\u308b<br \/>\n\u6b63\u306e\u5024\u3057\u304b\u3068\u3089\u306a\u3044\u3001\u306a\u3069\u3002<br \/>\n<strong>Isolation \uff08\u5206\u96e2\u6027\u3001\u72ec\u7acb\u6027\uff09<\/strong><br \/>\n\u5b9f\u884c\u4e2d\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u4ed6\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u306a\u3044<br \/>\n\u5b9f\u884c\u4e2d\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u72b6\u614b\u3092\u53c2\u7167\u30fb\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u3044<br \/>\n<strong>Durability \uff08\u6c38\u7d9a\u6027\uff09<\/strong><br \/>\n\u4e00\u5ea6\u30b3\u30df\u30c3\u30c8\u3055\u308c\u305f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306f\u3001\u4f55\u304c\u3042\u3063\u3066\u3082\u6b8b\u3055\u308c\u308b<br \/>\n\u969c\u5bb3\u304c\u767a\u751f\u3057\u3066\u3082\u3001\u30b3\u30df\u30c3\u30c8\u3055\u308c\u305f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u7d50\u679c\u306f\u6b8b\u308b<\/p>\n<h3><strong>\u5206\u96e2\u30ec\u30d9\u30eb\u306e\u6307\u5b9a\u65b9\u6cd5\u306b\u3064\u3044\u3066<\/strong><\/h3>\n<h4><span style=\"font-weight: 400;\"><strong>DIRTY READ<\/strong>\uff1a<\/span><\/h4>\n<p><span style=\"font-weight: 400;\">\u4ed6\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306b\u3088\u3063\u3066\u5909\u66f4\u3055\u308c\u305f\u3001\u30b3\u30df\u30c3\u30c8\u524d\u306e\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3093\u3067\u3057\u307e\u3046\u73fe\u8c61<\/span><\/p>\n<h4><span style=\"font-weight: 400;\"><strong>FAZZY READ<\/strong>\uff1a<\/span><\/h4>\n<ul>\n<li><span style=\"font-weight: 400;\">\u3042\u308b\u30c7\u30fc\u30bf\u3092\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5185\u3067\u8907\u6570\u56de\u8aad\u307f\u8fbc\u3093\u3060\u5834\u5408\u306b\u3001<\/span><b>\u4ed6\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u5bfe\u8c61\u30c7\u30fc\u30bf\u306e\u524a\u9664<\/b><span style=\"font-weight: 400;\">\u304c\u30b3\u30df\u30c3\u30c8\u3055\u308c\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u30c7\u30fc\u30bf\u304c<\/span><b>\u53d6\u5f97\u3067\u304d\u306a\u304f\u306a\u308b<\/b><span style=\"font-weight: 400;\">\u73fe\u8c61<\/span><\/li>\n<li><span style=\"font-weight: 400;\">\u3042\u308b\u30c7\u30fc\u30bf\u3092\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5185\u3067\u8907\u6570\u56de\u8aad\u307f\u8fbc\u3093\u3060\u5834\u5408\u306b\u3001\u4ed6\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u5bfe\u8c61\u30c7\u30fc\u30bf\u306e\u5909\u66f4\u304c\u30b3\u30df\u30c3\u30c8\u3055\u308c\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u53d6\u5f97\u3055\u308c\u308b<\/span><b>\u30c7\u30fc\u30bf\u5185\u5bb9\u304c\u5909\u308f\u3063\u3066\u3057\u307e\u3046\u73fe\u8c61<\/b><\/li>\n<\/ul>\n<h4><span style=\"font-weight: 400;\"><strong>PHANTOM READ<\/strong>\uff1a\u3042\u308b\u30c7\u30fc\u30bf\u3092\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5185\u3067\u8907\u6570\u56de\u8aad\u307f\u8fbc\u3093\u3060\u5834\u5408\u306b\u3001\u4ed6\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u30c7\u30fc\u30bf\u306e\u633f\u5165\u304c\u30b3\u30df\u30c3\u30c8\u3055\u308c\u308b\u3053\u3068\u306b\u3088\u3063\u3066<\/span><b>\u4ee5\u524d\u306f\u53d6\u5f97\u3055\u308c\u306a\u304b\u3063\u305f\u30c7\u30fc\u30bf\u304c\u53d6\u5f97\u3055\u308c\u3066\u3057\u307e<\/b><span style=\"font-weight: 400;\">\u3046\u73fe\u8c61<\/span><\/h4>\n<h4><strong>\u30fbSET\u6587\u3092\u4f7f\u7528\u3057\u305f\u6307\u5b9a\u65b9\u6cd5(\u30bb\u30c3\u30b7\u30e7\u30f3\u5358\u4f4d)<\/strong><\/h4>\n<p><span style=\"font-weight: 400;\">SET default_transaction_isolation TO &#8216;\u5206\u96e2\u30ec\u30d9\u30eb&#8217;;<\/span><\/p>\n<h4><strong>\u30fbSET\u6587\u3092\u4f7f\u7528\u3057\u305f\u6307\u5b9a\u65b9\u6cd5(\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5358\u4f4d)<\/strong><\/h4>\n<p><span style=\"font-weight: 400;\">SET TRANSACTION ISOLATION LEVEL \u5206\u96e2\u30ec\u30d9\u30eb;<\/span><\/p>\n<h4><strong>\u30fb\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u5236\u5fa1\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u305f\u6307\u5b9a\u65b9\u6cd5(\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5358\u4f4d)<\/strong><span style=\"font-weight: 400;\">(\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u958b\u59cb\u6642\u306b\u6307\u5b9a\u3057\u307e\u3059\u3002)<\/span><\/h4>\n<p><span style=\"font-weight: 400;\">BEGIN ISOLATION LEVEL \u5206\u96e2\u30ec\u30d9\u30eb;<\/span><br \/>\n<span style=\"font-weight: 400;\">START TRANSACTION ISOLATION LEVEL \u5206\u96e2\u30ec\u30d9\u30eb;<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">\u30c6\u30fc\u30d6\u30eb\u30ed\u30c3\u30af<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u30c6\u30fc\u30d6\u30eb\u306b\u5bfe\u3057\u3066\u304b\u3051\u308b\u30ed\u30c3\u30af\u3067\u3059\u3002<\/span><span style=\"font-weight: 400;\">\u7279\u5b9a\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u5bfe\u3057\u3066\u51e6\u7406\u3092\u30d6\u30ed\u30c3\u30af\u3057\u305f\u3044\u5834\u5408\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u304c\u3001\u6027\u80fd\u304c\u4e0b\u304c\u308b\u53ef\u80fd\u6027\u3082\u3042\u308b\u305f\u3081\u591a\u7528\u306f\u3055\u308c\u307e\u305b\u3093\u3002<\/span><span style=\"font-weight: 400;\">\u66f8\u5f0f\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">LOCK [TABLE] \u30c6\u30fc\u30d6\u30eb\u540d IN \u30ed\u30c3\u30af\u30e2\u30fc\u30c9 MODE;<\/span><\/p>\n<h4><strong>\u3010\u4e3b\u306a\u30ed\u30c3\u30af\u30e2\u30fc\u30c9\u3011<\/strong><\/h4>\n<h5><strong>\u30fbEXCLUSIVE<\/strong><\/h5>\n<p><span style=\"font-weight: 400;\">\u4ed6\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306b\u5bfe\u3057\u3066\u3001\u30ed\u30c3\u30af\u5bfe\u8c61\u306e\u30c6\u30fc\u30d6\u30eb\u3078\u306e\u8aad\u307f\u53d6\u308a\u51e6\u7406\u306e\u307f\u3092\u8a31\u53ef\u3057\u307e\u3059\u3002<\/span><\/p>\n<h5><strong>\u30fbACCESS EXCLUSIVE<\/strong><\/h5>\n<p><span style=\"font-weight: 400;\">\u4ed6\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306b\u5bfe\u3057\u3066\u3001\u30ed\u30c3\u30af\u5bfe\u8c61\u306e\u30c6\u30fc\u30d6\u30eb\u3078\u306e\u5168\u3066\u306e\u51e6\u7406\u3092\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002<\/span><span style=\"font-weight: 400;\">\u30ed\u30c3\u30af\u30e2\u30fc\u30c9\u3092\u7701\u7565\u3057\u305f\u5834\u5408\u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u8a2d\u5b9a\u3055\u308c\u308b\u30e2\u30fc\u30c9\u3067\u3059\u3002<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">\u884c\u30ed\u30c3\u30af<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u884c\u306b\u5bfe\u3057\u3066\u304b\u3051\u308b\u30ed\u30c3\u30af\u3067\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 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