\u6c37\u4ee5\u5916\u306e\u30b9\u30ad\u30fc\u30de\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3042\u308b\u3001\u7d22\u5f15\u3001\u30d3\u30e5\u30fc\u3001\u30b9\u30c8\u30a2\u30c9\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u3064\u3044\u3066<\/p>\n\n\n\n
\u25a0\u7d22\u5f15<\/p>\n\n\n\n
\u7d22\u5f15\u306f\u3001\u691c\u7d22\u6642\u306e\u30c7\u30a3\u30b9\u30af1\/O\u3092\u6e1b\u3089\u3057\u3001\u8868\u30c7\u30fc\u30bf\u306e\u691c\u7d22\u3092\u9ad8\u901f\u306b\u3059\u308b\u305f\u3081\u306b\u4f5c\u6210\u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n
\u7d22\u5f15\u306e\u5f79\u5272\u306f\u3001\u66f8\u7c4d\u306e\u5dfb\u672b\u306b\u4ed8\u3044\u3066\u3044\u308b\u7d22\u5f15\u3092\u30a4\u30e1\u30fc\u30b8\u3059\u308b\u3068\u7406\u89e3\u3057\u3084\u3059\u3044\u3067\u3059\u3002\u66f8\u7c4d\u306e\u7d22\u5f15\u3092\u5229\u7528\u3059\u308c\u3070\u3001\u30da\u30fc\u30b8\u6570\u306e\u591a\u3044\u4e2d\u304b\u3089\u3001\u7279\u5b9a\u306e\u60c5\u5831\u304c\u8f09\u3063\u3066\u3044\u308b\u30da\u30fc\u30b8\u3092\u7d20\u65e9\u304f\u898b\u3064\u3051\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u7d22\u5f15\u306e\u5f79\u5272\u3082\u3053\u308c\u3068\u540c\u3058\u3067\u3059\u3002<\/p>\n\n\n\n
\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u7d22\u5f15\u306b\u306f\u3001\u30ad\u30fc\u30ef\u30fc\u30c9\u3068\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u8868\u306e\u30c7\u30fc\u30bf\u30d6\u30ed\u30c3\u30af\u306e\u30a2\u30c9\u30ec\u30b9\u304c\u8a18\u8f09\u3055\u308c\u3066\u304a\u308a\u3001\u3053\u308c\u3089\u306e\u60c5\u5831\u3092\u5229\u7528\u3059\u308b\u3068\u76ee\u7684\u306e\u30c7\u30fc\u30bf\u306b\u30c0\u30a4\u30ec\u30af\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u7d22\u5f15\u306e\u7279\u5fb4<\/p>\n\n\n\n
\u30fb\u7d22\u5f15\u306f\u3001\u7d22\u5f15\u30bb\u30b0\u30e1\u30f3\u30c8\u3068\u3057\u3066\u3001\u8a18\u61b6\u9818\u57df\u3092\u4f7f\u7528\u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3042\u308b\u3002<\/p>\n\n\n\n
\u30fb\u7d22\u5f15\u3092\u4f5c\u6210\u3059\u308b\u969b\u306f\u3001\u8868\u9818\u57df\u3092\u6307\u5b9a\u3067\u304d\u308b\u3002<\/p>\n\n\n\n
\u30fb\u7d22\u5f15\u306f\u3001\u8868\u3092\u95a2\u9023\u4ed8\u3051\u3089\u308c\u308b\u3002<\/p>\n\n\n\n
\u30fb\u7d22\u5f15\u306f\u3001\u8868\u5185\u306e\uff11\u3064\u4ee5\u4e0a\u306e\u5217\u306b\u5bfe\u3057\u3066\u3001\u4f5c\u6210\u3067\u304d\u308b\u3002<\/p>\n\n\n\n
\u30fb\u8868\u306b\u4e3b\u30ad\u30fc\u5236\u7d04\u307e\u305f\u306f\u3001\u4e00\u610f\u30ad\u30fc\u5236\u7d04\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u305d\u306e\u5217\u306b\u306f\u7d22\u5f15\u304c\u6697\u9ed9\u7684\u306b\u4f5c\u6210\u3055\u308c\u308b\u3002<\/p>\n\n\n\n
\u30fb\u7d22\u5f15\u306f\u3001\u8868\u306e\u30c7\u30fc\u30bf\u304cDML\u6587\u306b\u3088\u3063\u3066\u3001\u633f\u5165\u3001\u66f4\u65b0\u3001\u524a\u9664\u3055\u308c\u308b\u3068\u3001\u305d\u308c\u306b\u4f34\u3063\u3066\u81ea\u52d5\u7684\u306b\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3055\u308c\u308b\u3002<\/p>\n\n\n\n
\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u7d22\u5f15\u3092\u4f7f\u7528\u3059\u308b\u304b\u5426\u304b\u306f\u3001\u30e6\u30fc\u30b6\u304c\u30c7\u30fc\u30bf\u3078\u30a2\u30af\u30bb\u30b9\u3057\u305f\u969b\u306b\u81ea\u52d5\u7684\u306b\u5224\u65ad\u3055\u308c\u308b\u305f\u3081\u3001\u7d22\u5f15\u3092\u4f5c\u6210\u3057\u305f\u3068\u3057\u3066\u3082\u3001\u305d\u306e\u7d22\u5f15\u304c\u4f7f\u7528\u3055\u308c\u308b\u304b\u3069\u3046\u304b\u306f\u4fdd\u8a3c\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u7d22\u5f15\u3092\u4f7f\u7528\u3057\u305f\u65b9\u304c\u3001\u52b9\u7387\u7684\u306a\u30a2\u30af\u30bb\u30b9\u30d1\u30b9\u306b\u306a\u308b\u3068\u5224\u65ad\u3057\u305f\u5834\u5408\u306e\u307f\u3001\u7d22\u5f15\u306f\u5229\u7528\u3055\u308c\u308b\u3002<\/p>\n\n\n\n
\u7d22\u5f15\u3092\u306a\u308b\u3079\u304f\u4f7f\u7528\u3055\u305b\u305f\u3044\u5834\u5408\u306f\u3001\u691c\u7d22\u6761\u4ef6\u306b\u6307\u5b9a\u3055\u308c\u3066\u3044\u308b\u5217\u306b\u7d22\u5f15\u3092\u4f5c\u6210\u3057\u3066\u304a\u304f\u3002<\/p>\n\n\n\n
\u25a0SQL Developer\u3092\u4f7f\u7528\u3057\u305f\u7d22\u5f15\u306e\u4f5c\u6210<\/p>\n\n\n\n
[1]\u8868\u306b\u7d22\u5f15\u306e\u5217\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u7d22\u5f15\u306fUSERS\u8868\u9818\u57df\u306b\u683c\u7d0d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u7d22\u5f15\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3066\u3001\u65b0\u898f\u7d22\u5f15\u4f5c\u6210\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
[2]\u540d\u524d\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u7d22\u5f15\u306e\u540d\u524d\u3092\u5165\u529b\u3057\u3066\u3001\u7d22\u5f15\u3092\u4f5c\u6210\u3059\u308b\u30b9\u30ad\u30fc\u30de\u304a\u3088\u3073\u8868\u540d\u3092\u9078\u629e\u3057\u307e\u3059\u3002\u5217\u540d\u307e\u305f\u306f\u5f0f\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u9805\u76ee\u540d\u3092\u9078\u629e\u3057\u3066\u3001\uff0b\u8ffd\u52a0\u30a2\u30a4\u30b3\u30f3\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002\u8868\u9818\u57df\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306b\u53f3\u4e0a\u306e\u8a73\u7d30\u30c1\u30a7\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
[3]\u7d22\u5f15\u306e\u4f5c\u6210\u306e\u8a73\u7d30\u30a6\u30a3\u30f3\u30c9\u30a6\u304c\u958b\u304d\u307e\u3059\u3002\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u9078\u629e\u3057\u3066\u3001\u8a18\u61b6\u57df\u30aa\u30d7\u30b7\u30e7\u30f3\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
[4]\u8868\u9818\u57df\u3092\u9078\u629e\u3057\u3066\u3001OK\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
[5]OK\u30dc\u30bf\u30f3\u62bc\u4e0b\u3067\u3001\u7d22\u5f15\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
\u25a0SQL\u6587\u3092\u4f7f\u7528\u3057\u305f\u7d22\u5f15\u306e\u4f5c\u6210<\/p>\n\n\n\n
SQL\u6587\u3092\u4f7f\u7528\u3057\u3066\u3001\u7d22\u5f15\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001CREATE INDEX\u6587\u3092\u7528\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u25bc\u7d22\u5f15\u306e\u30bf\u30a4\u30d7<\/p>\n\n\n\n
\u7d22\u5f15\u306b\u306f\u3001\u6a19\u6e96-B\u30c4\u30ea\u30fc\u3001\u30d3\u30c3\u30c8\u30de\u30c3\u30d7\u3068\u3044\u3063\u305f\u7d22\u5f15\u306e\u30bf\u30a4\u30d7\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u6a19\u6e96-B\u30c4\u30ea\u30fc\u7d22\u5f15\u306f\u3001B\u30c4\u30ea\u30fc\uff08\u30d0\u30e9\u30f3\u30b9\u30c4\u30ea\u30fc\uff09\u3068\u3044\u3046\u30c4\u30ea\u30fc\u69cb\u9020\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u7d22\u5f15\u306e\u5404\u30d6\u30ed\u30c3\u30af\u306b\u306f\u3001\u7d22\u5f15\u30ad\u30fc\u306e\u5404\u5024\u306e\u30a8\u30f3\u30c8\u30ea\u3068\u5024\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u884c\u306e\u30c7\u30a3\u30b9\u30af\u4e0a\u306e\u30a2\u30c9\u30ec\u30b9\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002B\u30c4\u30ea\u30fc\u7d22\u5f15\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u3042\u308a\u3001\u4e00\u822c\u7684\u306b\u4f7f\u308f\u308c\u308b\u7d22\u5f15\u3067\u3059\u3002<\/p>\n\n\n\n
\u30eb\u30fc\u30c8\u30d6\u30ed\u30c3\u30af\u304b\u3089\u30d6\u30e9\u30f3\u30c1\u30d6\u30ed\u30c3\u30af\u3001\u30ea\u30fc\u30d5\u30d6\u30ed\u30c3\u30af\u3078\u3068\u9061\u3066\u3044\u304d\u307e\u3059\u3002\u30ea\u30fc\u30d6\u30ed\u30c3\u30af\u304b\u3089\u5b9f\u969b\u306e\u8868\u306e\u30c7\u30fc\u30bf\u30d6\u30ed\u30c3\u30af\u306b\u30c0\u30a4\u30ec\u30af\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u4e00\u65b9\u3067\u3001\u30d3\u30c3\u30c8\u30de\u30c3\u30d7\u7d22\u5f15\u306f\u3001\u4e3b\u306b\u30c7\u30fc\u30bf\u30a6\u30a7\u30a2\u30cf\u30a6\u30b9\u74b0\u5883\u3067\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u25a0SQL Developer\u3092\u4f7f\u7528\u3057\u305f\u7d22\u5f15\u306e\u524a\u9664<\/p>\n\n\n\n
SQL Developer\u3092\u7528\u3044\u3066\u3001\u7d22\u5f15\u3092\u524a\u9664\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
[1]\u524a\u9664\u3059\u308b\u7d22\u5f15\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3066\u524a\u9664\u3092\u30af\u30ea\u30c3\u30af\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
[2]\u9069\u7528\u30dc\u30bf\u30f3\u3092\u62bc\u4e0b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
[3]\u7d22\u5f15\u304c\u524a\u9664\u3055\u308c\u305f\u3068\u3044\u3046\u78ba\u8a8d\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
\u25a0SQL\u6587\u3092\u7528\u3044\u305f\u7d22\u5f15\u306e\u524a\u9664<\/p>\n\n\n\n
DROP INDEX\u6587\u3092\u7528\u3044\u3066\u3001\u7d22\u5f15\u3092\u524a\u9664\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u5236\u7d04\u3092\u4f5c\u6210\u3057\u305f\u3053\u3068\u3067\u3001\u6697\u9ed9\u7684\u306b\u4f5c\u6210\u3055\u308c\u305f\u7d22\u5f15\u306f\u3001\u5236\u7d04\u306e\u6a5f\u80fd\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u3002\u305d\u306e\u305f\u3081\u3001SQL\u6587\u3084\u30c4\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u524a\u9664\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
\u3053\u306e\u5834\u5408\u3001\u5236\u7d04\u3092\u7121\u52b9\u306b\u3059\u308b\u304b\u3001\u5236\u7d04\u3092\u524a\u9664\u3059\u308b\u3053\u3068\u3067\u81ea\u52d5\u7684\u306b\u7d22\u5f15\u3092\u524a\u9664\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u25a0\u30d3\u30e5\u30fc<\/p>\n\n\n\n
\u30d3\u30e5\u30fc\u306f\u3001\uff11\u3064\u307e\u305f\u306f\u8907\u6570\u306e\u8868\u3084\u30d3\u30e5\u30fc\u3092\u3082\u3068\u306b\u3057\u3066\u3001\u4f5c\u6210\u3059\u308b\u4eee\u60f3\u306e\u8868\u3067\u3059\u3002<\/p>\n\n\n\n
\u30d3\u30e5\u30fc\u306f\u3001\u30d5\u30a3\u30eb\u30bf\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3001\u8868\u3084\u30d3\u30e5\u30fc\u306e\u30c7\u30fc\u30bf\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3057\u3066\u8868\u793a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n\n\n\n
\u30d3\u30e5\u30fc\u306e\u5b9f\u614b\u306f\u3001SQL\u306eSELECT\u6587\u3067\u3059\u3002\u30e6\u30fc\u30b6\u304cROM\u53e5\u306b\u8868TABLE\u306e\u4ee3\u308f\u308a\u306b\u30d3\u30e5\u30fc\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u30d3\u30e5\u30fc\u3068\u3057\u3066\u3001\u5b9a\u7fa9\u3055\u308c\u305fSELECT\u6587\u304c\u5b9f\u884c\u3055\u308c\u3001\u30d3\u30e5\u30fc\u306e\u57fa\u790e\u3068\u306a\u3063\u3066\u3044\u308b\u8868\u304b\u3089\u30c7\u30fc\u30bf\u304c\u53d6\u308a\u51fa\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
\u30d3\u30e5\u30fc\u306b\u306f\u3001\u30c7\u30fc\u30bf\u306f\u683c\u7d0d\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
\u30d3\u30e5\u30fc\u306e\u57fa\u790e\u3068\u306a\u3063\u3066\u3044\u308b\u8868\u3092\u30d3\u30e5\u30fc\u306e\u5b9f\u8868\u3068\u547c\u3076\u3002<\/p>\n\n\n\n
\u25a0\u30d3\u30e5\u30fc\u306e\u4f5c\u6210\u3059\u308b\u30e1\u30ea\u30c3\u30c8<\/p>\n\n\n\n
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