#————————————-
\n#\u25a0\u3000\u30d7\u30ed\u30ed\u30fc\u30b0\u3000\u25a0
\n#————————————-
\n\u3010\u306a\u3067\u3057\u3053\u3011\u30cd\u30a4\u30c6\u30a3\u30d6\u3067\u3042\u308b\u3010SQLite\u3011\u3068\u8a00\u3046RDB\u3002
\n\uff11\u30d5\u30a1\u30a4\u30ebDB\u3067\u3042\u308a\u306a\u304c\u3089\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306b\u3082\u5bfe\u5fdc\u3002
\n\u5c0f\u67c4\u306aDB\u3067\u3042\u308a\u306a\u304c\u3089\u3001\u30c8\u30ea\u30ac\u30fc\u3082\u53ef\u80fd\u3001\u4e26\u307f\u3044\u308bRDB\u3068\u540c\u7b49\u306e\u9ad8\u307f\u306b\u5b58\u5728\u3059\u308b\u3002
\n\u5358\u306b\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3057\u3066\u3001\u30c7\u30fc\u30bf\u3092\u5165\u308c\u308b\u3060\u3051\u3067\u306f\u3053\u306e\uff24\uff22\u306e\u771f\u4fa1\u306f\u308f\u304b\u3089\u306a\u3044\u3002
\n\u3053\u306eRDB\u306b\u9650\u754c\u307e\u3067\u901f\u3055\u3092\u6c42\u3081\u305f\u6642\u3001\u4eba\u306f\u4f55\u3092\u898b\u308b\u306e\u3060\u308d\u3046\u3002<\/p>\n
#————————————-
\n#\u25a0\u3000\u9ad8\u901f\uff32\uff24\uff22\u3092\u4f53\u611f\u305b\u3088\uff01\u3000LEVEL\uff11\u3000\u25a0
\n#————————————-
\n\uff11\uff0e\u62bd\u51fa\u3059\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u6700\u4f4e\u9650\u306b\u3057\u3088\u3046\uff01
\n\u81ea\u5206\u304c\u5fc5\u8981\u3068\u3059\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u4ee5\u5916\u306f\u8868\u793a\u3057\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u4e8b\u3067\u3001\u8868\u793a\u901f\u5ea6\u304c\u4e0a\u304c\u308a\u307e\u3059\u3002
\n\u00d7\uff1a\u300cSELECT * FROM \u30c6\u30fc\u30d6\u30eb\u540d\uff1b\u300d\u3092SQLITE\u5b9f\u884c
\n\u25ce\uff1a\u300cSELECT NAME,TELL FROM \u30c6\u30fc\u30d6\u30eb\u540d\uff1b\u300d\u3092SQLITE\u5b9f\u884c
\n\uff08\u4e0a\u8a18\u306e\u5834\u5408\u306b\u306f\u3001\u4eee\u306b\u6c0f\u540d\u3092\u8868\u793a\u3059\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u300cNAME\u300d\u3068\u96fb\u8a71\u756a\u53f7\u3092\u8868\u793a\u3059\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u300cTELL\u300d\u3092\u6307\u5b9a\u3057\u307e\u3057\u305f\u3002\uff09<\/p>\n
\uff12\uff0e\u62bd\u51fa\u884c\u6570\u3092\u5236\u9650\u3057\u3088\u3046\uff01
\n\u7279\u306b1000\u4ef6\u3092\u8d85\u3048\u308b\u3088\u3046\u306a\u30c7\u30fc\u30bf\u306f\u5168\u4ef6\u3092\u8868\u793a\u3059\u308b\u3067\u306a\u304f\u3001\u5fc5\u305a\u691c\u7d22\u3057\u305f\u5024\u3060\u3051\u3092\u8868\u793a\u3082\u3057\u304f\u306f\u4e00\u56de\u306b\u8868\u793a\u3059\u308b\u4ef6\u6570\u3092\u5236\u9650\u3057\u307e\u3057\u3087\u3046\u3002
\n\u00d7\uff1a\u300cSELECT * FROM \u30c6\u30fc\u30d6\u30eb\u540d;\u300d\u3092SQLITE\u5b9f\u884c
\n\u25ce\uff1a\u300cSELECT * FROM \u30c6\u30fc\u30d6\u30eb\u540d LIMIT 50;\u300d\u3092SQLITE\u5b9f\u884c
\n\uff08\u4e0a\u8a18\u306e\u5834\u5408\u306b\u306f\u3001\u4e00\u56de\u3042\u305f\u308a\u306e\u6700\u5927\u8868\u793a\u4ef6\u6570\u309250\u4ef6\u306b\u3057\u307e\u3057\u305f\u3002\uff09<\/p>\n
#————————————-
\n#\u25a0\u3000\u9ad8\u901f\uff32\uff24\uff22\u3092\u4f53\u611f\u305b\u3088\uff01\u3000LEVEL\uff12\u3000\u25a0\u3000\u3010\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8cbc\u308c\u3011
\n#————————————-
\n\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u30ad\u30fc\u3092\u8a2d\u5b9a\u3057\u3088\u3046\uff01
\n\u691c\u7d22\u306b\u4f7f\u3046\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u306f\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u30ad\u30fc\u3092\u8a2d\u5b9a\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002
\n\u300cCREATE INDEX \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u540d ON \u30c6\u30fc\u30d6\u30eb\u540d\uff08\u30d5\u30a3\u30fc\u30eb\u30c9\u540d\uff09 ;\u300d\u3092SQLITE\u5b9f\u884c<\/p>\n
\u4e00\u3064\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u3001\u3044\u304f\u3064\u8a2d\u5b9a\u3057\u3066\u3082\uff2f\uff2b\u3067\u3059\uff01<\/p>\n
#————————————-
\n#\u25a0\u3000\u9ad8\u901f\uff32\uff24\uff22\u3092\u4f53\u611f\u305b\u3088\uff01\u3000LEVEL\uff13\u3000\u25a0\u3000\u3010\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306b\u6ce8\u610f\u3011
\n#————————————-
\n\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u901a\u5e38\u3060\u3068\u5b8c\u5168\u4e00\u81f4\u306e\u307f\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002
\n\u3042\u3044\u307e\u3044\u691c\u7d22\u306f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f7f\u308f\u306a\u3044\u306e\u3067\u3001\u9ad8\u901f\u306b\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n
COLLATE NOCASE\u3092\u8a2d\u5b9a\u3057\u3088\u3046\uff01
\n\u300cCREATE INDEX \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u540d ON \u30c6\u30fc\u30d6\u30eb\u540d\uff08\u30d5\u30a3\u30fc\u30eb\u30c9\u540d COLLATE NOCASE\uff09\uff1b\u300d\u3092SQLITE\u5b9f\u884c<\/p>\n
\u300cSELECT * FROM \u30c6\u30fc\u30d6\u30eb\u540d WHERE \u30d5\u30a3\u30fc\u30eb\u30c9\u540d COLLATE NOCASE LIKE ‘HOGE%’\uff1b\u300d\u3092SQLITE\u5b9f\u884c<\/p>\n
SQLITE\u306f\u5927\u6587\u5b57\u5c0f\u6587\u5b57\u3092\u533a\u5225\u3057\u307e\u305b\u3093\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\uff09
\n\u3088\u3063\u3066\u3001\u4e0a\u8a18\u306e\u3088\u3046\u306a\u66f8\u304d\u65b9\u304c\u5fc5\u8981\u306b\u306a\u308b\u306e\u3067\u3059\u3002<\/p>\n
#————————————-
\n#\u25a0\u3000\u9ad8\u901f\uff32\uff24\uff22\u3092\u4f53\u611f\u305b\u3088\uff01\u3000LEVEL\uff14\u3000\u25a0\u3000\u3010\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u4f7f\u304a\u3046\u3011
\n#————————————-
\n\uff22\uff25\uff27\uff29\uff2e\uff5e\uff25\uff2e\uff24
\n\u300cTEST.DB\u300d\u3092SQLITE\u958b\u3044\u3066\uff28\u306b\u4ee3\u5165
\n\uff28\u3067\u300c\uff22\uff25\uff27\uff29\uff2e\u300d\u3092SQLITE\u5b9f\u884c
\n\u300cINSERT INTO \u30c6\u30fc\u30d6\u30eb\u540d NAME VALUES ‘CHOCO’\u300d\u3092SQLITE\u5b9f\u884c
\n\uff28\u3067\u300c\uff25\uff2e\uff24\u300d\u3092SQLITE\u5b9f\u884c
\n\uff28\u3067SQLITE\u9589\u3058\u308b\u3002<\/p>\n
\u4e0a\u8a18\u306e\u3088\u3046\u306b\u3001\u3010BEGIN\u3011\u3068\u3010END\u3011\u3067\u5b9f\u884c\u3057\u305f\u3044\uff33\uff31\uff2c\u6587\u3092\u306f\u3055\u3093\u3067\u3084\u308a\u307e\u3059\u3002
\n\u901a\u5e38\u306f\u4e00\u884c\u304f\u3089\u3044\u306e\uff33\uff31\uff2c\u6587\u3067\u306f\u52b9\u679c\u304c\u898b\u3089\u308c\u307e\u305b\u3093\u304c\u3001\u53cd\u5fa9\u3057\u3066\u30c7\u30fc\u30bf\u3092\uff11\uff0c\uff10\uff10\uff10\u4ef6\u304f\u3089\u3044\u5165\u308c\u308b\u3068\u304b\u3059\u308b\u3068\u76ee\u306b\u898b\u3048\u3066\u30b9\u30d4\u30fc\u30c9\u304c\u9055\u3044\u307e\u3059\u3002
\n\u3053\u308c\u3092\u4f7f\u308f\u306a\u3044\u624b\u306f\u3042\u308a\u307e\u305b\u3093\uff01<\/p>\n
#————————————-
\n#\u25a0\u3000\u9ad8\u901f\uff32\uff24\uff22\u3092\u4f53\u611f\u305b\u3088\uff01\u3000LEVEL\uff15\u3000\u25a0\u3000\u3010\uff36\uff21\uff23\uff35\uff35\uff2d\u3092\u4f7f\u304a\u3046\u3011
\n#————————————-
\nSQLITE\u306e\u3088\u3046\u306a\u8ffd\u8a18\u578b\u306e\uff24\uff22\u306f\u3001\u5e38\u306b\u3054\u307f\u304c\u305f\u307e\u308b\u306e\u3067\u6383\u9664\u304c\u5fc5\u8981\u3067\u3059\u3002
\n\u300c\uff36\uff21\uff23\uff35\uff35\uff2d\u300d\u3092\uff33\uff31\uff2c\uff29\uff34\uff25\u5b9f\u884c<\/p>\n
\u3010VACUUM\u3011\u3068\u306f\uff1f
\n\u4e00\u6642\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30d5\u30a1\u30a4\u30eb\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u5185\u5bb9\u3092\u30b3\u30d4\u30fc\u3057\u3001\u305d\u306e\u30b3\u30d4\u30fc\u304b\u3089\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u518d\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002
\n\u3053\u308c\u306b\u3088\u308a\u3001\u958b\u653e\u3055\u308c\u305f\u30da\u30fc\u30b8\u3084\u7d99\u7d9a\u3055\u308c\u308b\u30a2\u30e9\u30a4\u30f3\u30c6\u30fc\u30d6\u30eb\u306e\u30c7\u30fc\u30bf\u7b49\u304c\u9664\u53bb\u3055\u308c\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30d5\u30a1\u30a4\u30eb\u306e\u69cb\u9020\u304c\u6574\u7406\u3055\u308c\u307e\u3059\u3002\uff08Version2.8.1\u4ee5\u964d\u304b\u3089\u5b9f\u88c5\uff09<\/p>\n
#————————————-
\n#\u25a0\u3000\u9ad8\u901f\uff32\uff24\uff22\u3092\u4f53\u611f\u305b\u3088\uff01\u3000LEVEL\uff16\u3000\u25a0\u3000\u3010EXPLAIN\u3092\u4f7f\u304a\u3046\u3011
\n#————————————-
\nEXPLAIN\u3067\u4e88\u3081\u4e00\u756a\u65e9\u3044\uff33\uff31\uff2c\u3092\u9078\u629e\u3057\u3088\u3046\uff01
\n\u300cEXPLAIN SELECT * FROM bbs_tbl WHERE id = 1\uff1b\u300d\u3092SQLITE\u5b9f\u884c<\/p>\n
\u3010EXPLAIN\u3011\u3068\u306f\uff1f
\nSQL\u6587\u306f\u8272\u3005\u306a\u8a18\u8ff0\u304c\u51fa\u6765\u307e\u3059\u304c\u3001\u6271\u3046\u30c7\u30fc\u30bf\u306e\u4ef6\u6570\u304c\u591a\u3051\u308c\u3070\u591a\u3044\u307b\u3069\u3001\u305d\u306e\u8a18\u8ff0\u65b9\u6cd5\u3067\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5909\u308f\u308a\u307e\u3059\u3002
\nEXPLAIN\u30b3\u30de\u30f3\u30c9\u306f\u3001\u305d\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8996\u899a\u5316\u3057\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n
#————————————-
\n#\u25a0\u3000\u9ad8\u901f\uff32\uff24\uff22\u3092\u4f53\u611f\u305b\u3088\uff01\u3000LEVEL\uff17\u3000\u25a0\u3000\u3010synchronous\u3092\u4f7f\u304a\u3046\u3011
\n#————————————-
\n\u5229\u7528\u3059\u308b\uff2f\uff33\u304cWindows\u306e\u6642\u306f\u3001PRAGMA\u30b3\u30de\u30f3\u30c9\u3092\u5229\u7528\u3057\u3066synchronous\u3092\u5909\u66f4\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff01
\n\u300cPRAGMA default_synchronous = OFF\u300d\u3092SQLITE\u5b9f\u884c<\/p>\n
\u3010synchronous\u3011\u3068\u306f\uff1f
\ndefault_synchronous\u306e\u8a2d\u5b9a\u306b\u306f\uff13\u3064\u306e\u30e2\u30fc\u30c9\u304c\u3042\u308a\u307e\u3059\u3002
\n\u300eOFF\u300f\u3001\u300eNORMAL\u300f\u3001\u300eFULL\u300f\u3068\u3042\u3063\u3066\u3001\u30c7\u30fc\u30bf\u66f8\u8fbc\u307f\u306e\u969b\u306eOS\u3068\u306e\u30b7\u30f3\u30af\u30ed\u3092\u5236\u5fa1\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\u306f\u300eNORMAL\u300f\uff09\u3002
\n\u300eFULL\u300f\u306a\u3089\u3070\u3001OS\u304c\u30af\u30e9\u30c3\u30b7\u30e5\u3057\u305f\u6642\u3067\u3082\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u58ca\u308c\u307e\u305b\u3093\u3001\u305d\u306e\u4ee3\u308f\u308a\u306b\u901f\u5ea6\u304c\u72a0\u7272\u306b\u306a\u308a\u307e\u3059\u3002
\n\u300eOFF\u300f\u306e\u5834\u5408\u306f\u3001\u901f\u5ea6\u306f\u5411\u4e0a\u3057\u307e\u3059\u304c\u30c7\u30fc\u30bf\u306e\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u3078\u306e\u66f8\u304d\u8fbc\u307f\u306e\u969b\u306bOS\u304c\u30af\u30e9\u30c3\u30b7\u30e5\u3059\u308b\u3068\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u58ca\u308c\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n
—The END—–<\/p>\n","protected":false},"excerpt":{"rendered":"
#————————————- #\u25a0\u3000\u30d7\u30ed\u30ed\u30fc\u30b0\u3000\u25a0 #—R […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[30,19],"tags":[],"class_list":["post-49","post","type-post","status-publish","format-standard","hentry","category-rdb_sqlite2","category-19"],"_links":{"self":[{"href":"https:\/\/www.choco.org.uk\/chocodb\/index.php?rest_route=\/wp\/v2\/posts\/49","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.choco.org.uk\/chocodb\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.choco.org.uk\/chocodb\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.choco.org.uk\/chocodb\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.choco.org.uk\/chocodb\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=49"}],"version-history":[{"count":5,"href":"https:\/\/www.choco.org.uk\/chocodb\/index.php?rest_route=\/wp\/v2\/posts\/49\/revisions"}],"predecessor-version":[{"id":680,"href":"https:\/\/www.choco.org.uk\/chocodb\/index.php?rest_route=\/wp\/v2\/posts\/49\/revisions\/680"}],"wp:attachment":[{"href":"https:\/\/www.choco.org.uk\/chocodb\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=49"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.choco.org.uk\/chocodb\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=49"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.choco.org.uk\/chocodb\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=49"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}