{"id":4513,"date":"2024-10-30T17:25:19","date_gmt":"2024-10-30T08:25:19","guid":{"rendered":"https:\/\/yorozu.cloudfree.jp\/wordpress\/?p=4513"},"modified":"2025-12-25T17:00:50","modified_gmt":"2025-12-25T08:00:50","slug":"4513","status":"publish","type":"post","link":"https:\/\/yorozu.cloudfree.jp\/wordpress\/?p=4513","title":{"rendered":"RDBMS\u3068\u306f"},"content":{"rendered":"\n

Relational\u00a0Database\u00a0Manag<\/a>ement\u00a0System\u3000\u306e\u982d\u5b57\u8a9e<\/p>\n\n\n\n

\uff11\uff0e\u7279\u5fb4<\/strong><\/h4>\n\n\n\n

\u3000RDBMS\u306f\u3001ACID\u7279\u6027\u3068\u3044\u3046\u6982\u5ff5\u306b\u57fa\u3065\u3044\u3066\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b
\u3000\u3000\u3000\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u51e6\u7406\u306b\u304a\u3044\u3066\u5fc5\u8981\u3068\u3055\u308c\u308b4\u3064\u306e\u7279\u6027
\u3000\u3000\u3000\u3000\u3000Atomicity\uff08\u539f\u5b50\u6027\uff09
\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306b\u542b\u307e\u308c\u308b\u30bf\u30b9\u30af\u304c\u5168\u3066\u5b9f\u884c\u3055\u308c\u308b\u304b\u3001
\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3042\u308b\u3044\u306f\u5168\u304f\u5b9f\u884c\u3055\u308c\u306a\u3044\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u6027\u8cea
\u3000\u3000\u3000\u3000\u3000Consistency\uff08\u4e00\u8cab\u6027\uff09
\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u958b\u59cb\u3068\u7d42\u4e86\u6642\u306b
\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u4e88\u3081\u4e0e\u3048\u3089\u308c\u305f\u6574\u5408\u6027\u3092\u6e80\u305f\u3059\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u6027\u8cea
\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u65e5\u672c\u8a9e\u3067\u306f\u300c\u4e00\u8cab\u6027\u300d\u3042\u308b\u3044\u306f\u300c\u6574\u5408\u6027\u300d\u3068\u3082\u547c\u3070\u308c\u308b
\u3000\u3000\u3000\u3000\u3000Isolation\uff08\u72ec\u7acb\u6027\uff09
\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u4e2d\u306b\u884c\u308f\u308c\u308b
\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u64cd\u4f5c\u306e\u904e\u7a0b\u304c\u4ed6\u306e\u64cd\u4f5c\u304b\u3089\u96a0\u853d\u3055\u308c\u308b\u6027\u8cea
\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u5206\u96e2\u6027\u3001\u72ec\u7acb\u6027\u307e\u305f\u306f\u9694\u96e2\u6027\u3068\u3082\u3044\u3046
\u3000\u3000\u3000\u3000\u3000Durability\uff08\u6c38\u7d9a\u6027\uff09
\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u64cd\u4f5c\u306e\u5b8c\u4e86\u901a\u77e5\u3092\u30e6\u30fc\u30b6\u304c\u53d7\u3051\u305f\u6642\u70b9\u3067\u3001
\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u305d\u306e\u64cd\u4f5c\u306f\u6c38\u7d9a\u7684\u3068\u306a\u308a\u3001\u7d50\u679c\u304c\u5931\u308f\u308c\u306a\u3044\u6027\u8cea<\/p>\n\n\n\n

\uff12\uff0eBASE\u7279\u6027<\/strong><\/h4>\n\n\n\n

\u3000NoSQL\u306fBASE\u7279\u6027\u3068\u3044\u3046\u6982\u5ff5\u306b\u57fa\u3065\u3044\u3066\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b<\/p>\n\n\n\n

\u3000\u57fa\u672c\u7684\u306b\u306f\u5e38\u306b\u5229\u7528\u53ef\u80fd\u3067\u3001\u5e38\u306b\u6574\u5408\u6027\u3092\u4fdd\u3063\u3066\u3044\u308b\u5fc5\u8981\u306f\u306a\u304f\u3001
\u3000\u3000\u3000\u4e00\u6642\u7684\u306b\u4e00\u8cab\u6027\u306e\u306a\u3044\u72b6\u614b\u3092\u8a31\u5bb9\u3057\u3066\u3001
\u3000\u3000\u3000\u7d50\u679c\u7684\u306b\u306f\u6574\u5408\u6027\u304c\u53d6\u308c\u3066\u3044\u308b\u72b6\u614b\u306b\u81f3\u308b\u3001\u3068\u3044\u3046\u7279\u6027

\u3000ACID\u3068\u306f\u5bfe\u7167\u7684\u306b\u3001\u53ef\u7528\u6027\u3084\u6027\u80fd\u3092\u91cd\u8996\u3057\u305f\u7279\u6027\u3092\u6301\u3064\u5206\u6563\u30b7\u30b9\u30c6\u30e0\u306e\u7279\u6027

\u3000Basically Available\uff08BA\uff09\u30fb\u30fb\u30fb\u57fa\u672c\u7684\u306b\u3044\u3064\u3067\u3082\u5229\u7528\u3067\u304d\u308b
\u3000Soft-State\uff08S\uff09\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u5e38\u306b\u6574\u5408\u6027\u3092\u4fdd\u3063\u3066\u3044\u308b\u5fc5\u8981\u306f\u306a\u3044
\u3000Eventual Consistency\uff08E\uff09\u30fb\u30fb\u7d50\u679c\u7684\u306b\u306f\u6574\u5408\u6027\u304c\u4fdd\u8a3c\u3055\u308c\u308b<\/p>\n\n\n\n

\uff12\uff0eCAP \u5b9a\u7406<\/strong><\/h4>\n\n\n\n

\u3000\u5206\u6563\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30b7\u30b9\u30c6\u30e0\u306e\u30de\u30b7\u30f3\u9593\u306e\u60c5\u5831\u8907\u88fd\u306b\u95a2\u3059\u308b\u5b9a\u7406
\u3000\u3000\u3000\u30ce\u30fc\u30c9\u9593\u306e\u30c7\u30fc\u30bf\u8907\u88fd\u306b\u304a\u3044\u3066\u3001
\u3000\u3000\u3000\u540c\u6642\u306b\u6b21\u306e3\u3064\u306e\u4fdd\u8a3c\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044

\u3000\u3000\u3000C:\u4e00\u8cab\u6027\uff08Consistency\uff09
\u3000\u3000\u3000\u3000\u3000\u5168\u3066\u306e\u30ce\u30fc\u30c9\u3067\u540c\u6642\u306b\u540c\u3058\u30c7\u30fc\u30bf\u304c\u898b\u3048\u308b
\u3000\u3000\u3000A:\u53ef\u7528\u6027\uff08Availability\uff09
\u3000\u3000\u3000\u3000\u3000\u5358\u4e00\u969c\u5bb3\uff08\u4e00\u90e8\u306e\u30ce\u30fc\u30c9\uff09\u304c\u8d77\u304d\u3066\u3082\u51e6\u7406\u306e\u7d99\u7d9a\u6027\u304c\u5931\u308f\u308c\u306a\u3044
\u3000\u3000\u3000P:\u5206\u65ad\u8010\u6027\uff08Partition-tolerance\uff09
\u3000\u3000\u3000\u3000\u3000\u4efb\u610f\u306e\u901a\u4fe1\u969c\u5bb3\u7b49\u306b\u3088\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u640d\u5931\u306b\u5bfe\u3057\u3001\u7d99\u7d9a\u3057\u3066\u52d5\u4f5c\u3092\u884c\u3046

\u3000CAP\u5b9a\u7406\u306b\u3088\u308a\u3001\u5206\u6563\u30b7\u30b9\u30c6\u30e0\u306f\uff13\u3064\u306e\u4fdd\u8a3c\u306e\u3046\u3061\u3001
\u3000\u3000\u3000\u540c\u6642\u306b2\u3064\u306e\u4fdd\u8a3c\u3092\u6e80\u305f\u3059\u3053\u3068\u306f\u3067\u304d\u308b\u304c\u3001
\u3000\u3000\u3000\u540c\u6642\u306b3\u3064\u306e\u4fdd\u8a3c\u3059\u3079\u3066\u3092\u6e80\u305f\u3059\u3053\u3068\u306f\u3067\u304d\u306a\u3044

\u3000CAP\u5b9a\u7406\u306b\u3088\u308a
\u3000\u3000\u3000DBMS\u306f\u300cCA\u578b\u300d\u300cCP\u578b\u300d\u300cAP\u578b\u300d\u306e\u3044\u305a\u308c\u304b\u306e\u30bf\u30a4\u30d7\u306b\u5206\u985e\u3067\u304d\u308b<\/p>\n\n\n\n

CA\u578b
C:\u4e00\u8cab\u6027\u3068A:\u53ef\u7528\u6027<\/td>		\u30c7\u30fc\u30bf\u306f\u3044\u3064\u3067\u3082\u5229\u7528\u53ef\u80fd\u3067\u4e00\u8cab\u3057\u3066\u3044\u308b
\u3000\u5358\u4e00\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b5\u30fc\u30d0
\u3000\u30c7\u30fc\u30bf\u3092\u5206\u6563\u3057\u3064\u3064\u3082\u6574\u5408\u6027\u3092\u4fdd\u6301\u3059\u308b<\/td>		\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u578b\uff1a
\u3000Oracle<\/a>\u3001MySQL<\/a>\u3001PostgreSQL<\/a>\u3001SQLServer<\/a>
\u30ab\u30e9\u30e0\u6307\u5411\uff1a
\u3000Vertica<\/td><\/tr>
CP\u578b
C:\u4e00\u8cab\u6027\u3068P:\u5206\u65ad\u8010\u6027<\/td>		\u6574\u5408\u6027\u4fdd\u6301\u306e\u305f\u3081\u3001\u8907\u88fd\u4e2d\u306f\u5168\u3066\u306e\u30ce\u30fc\u30c9\u3067\u30c7\u30fc\u30bf\u66f4\u65b0\u3055\u308c\u308b\u307e\u3067\u30ed\u30c3\u30af\u3092\u304b\u3051\u3066\u4e0d\u6574\u5408\u3092\u963b\u6b62\u3059\u308b
\u3000\u30ed\u30c3\u30af\u304c\u304b\u304b\u3063\u3066\u3044\u308b\u6700\u4e2d\u306fAvailable\u3067\u306f\u306a\u3044<\/td>		Key-Value\uff1a
\u3000Redis\u3001memcached<\/a>\u3001Scalaris
\u30ab\u30e9\u30e0\u6307\u5411\uff1a
\u3000BigTable<\/a>\u3001HBase
\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u6307\u5411\uff1a
\u3000MongoDB<\/td><\/tr>
AP\u578b
A:\u53ef\u7528\u6027\u3068P:\u5206\u65ad\u8010\u6027<\/td>		\u30c7\u30fc\u30bf\u306f\u5206\u6563\u3055\u308c\u3001\u3044\u3064\u3067\u3082\u30c7\u30fc\u30bf\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b
\u3000\u30c7\u30fc\u30bf\u8907\u88fd\u4e2d\u306f\u4e0d\u6574\u5408\u306a\u72b6\u614b\u306b\u306a\u308a\u5f97\u308b
\u3000C\u306f\u3042\u308b\u7a0b\u5ea6\u59a5\u5354\u3059\u308b
\u3000Eventual consistency<\/td>		Key-Value\uff1a
\u3000Dynamo\u3001Voldemort\u3001TokyoTyrant<\/a>\/Cabinet\u3001
\u30ab\u30e9\u30e0\u6307\u5411\uff1a
\u3000Cassandra
\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u6307\u5411\uff1a
\u3000SimpleDB\u3001CouchDB<\/a>\u3001Riak<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\uff13\uff0eNoSQL Systems<\/strong>\u306e\u6bd4\u8f03\u30fb\u5206\u985e<\/h4>\n\n\n\n

\u3000\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u3092\u8272\u5206\u3051\u3057\u3066\u5206\u985e
\u3000\u3000\u3000Relational (comparison)
\u3000\u3000\u3000Key-Value
\u3000\u3000\u3000Column-Oriented\/Tabular
\u3000\u3000\u3000Document-Oriented<\/p>\n\n\n

\"\"<\/a><\/p>\n\n\n

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

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