{"id":1427,"date":"2020-06-07T00:00:00","date_gmt":"2020-06-06T15:00:00","guid":{"rendered":"https:\/\/www.ishikawasekkei.com\/?p=1427"},"modified":"2020-06-06T23:51:19","modified_gmt":"2020-06-06T14:51:19","slug":"python-programing-sqlite3-challenge","status":"publish","type":"post","link":"https:\/\/www.ishikawasekkei.com\/index.php\/2020\/06\/07\/python-programing-sqlite3-challenge\/","title":{"rendered":"Python \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0 sqlite3\u3092\u4f7f\u3063\u3066\u307f\u308b"},"content":{"rendered":"\n<p>\u3000\u4eca\u65e5\u3082\u898b\u306b\u6765\u3066\u304f\u3060\u3055\u3063\u3066\u3001\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059\u3002\u77f3\u5ddd\u3055\u3093\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3000Python\u304b\u3089\u30c7\u30fc\u30bf\u3092\u4fdd\u6301\u3059\u308b\u305f\u3081\u306e\u65b9\u6cd5\u306e\u3072\u3068\u3064\u3001sqlite3\u3092\u5229\u7528\u3057\u3066\u307f\u307e\u3059\u3002sqlite3\u306fPython\u306e\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u7279\u5225\u306a\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306a\u3069\u3001\u4e0d\u8981\u3067\u3059\u3002\u305d\u308c\u3067\u3044\u3066\u3001SQL\u304c\u4f7f\u3048\u3066\u3001\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3057\u3066\u30c7\u30fc\u30bf\u3092\u7c21\u5358\u306b\u4fdd\u5b58\u3057\u305f\u3044\u3068\u3044\u3046\u30cb\u30fc\u30ba\u306b\u5145\u5206\u5fdc\u3048\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u307c\u304f\u306f\u666e\u6bb5\u306e\u304a\u3057\u3054\u3068\u3067\u306f\u3001Oracle\u3092\u5c02\u9580\u306b\u6271\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u3051\u3069\u3001\u4ed6\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3082\u77e5\u3063\u3066\u304a\u3044\u305f\u65b9\u304c\u3088\u3044\u3067\u3057\u3087\u3046\u3001\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u3061\u3087\u3063\u3074\u308a\u30c1\u30e3\u30ec\u30f3\u30b8\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u3064\u304f\u3063\u3066\u3001\u30c6\u30fc\u30d6\u30eb\u3092\u3064\u304f\u3063\u3066\u3001\u30c7\u30fc\u30bf\u3092\u5165\u308c\u3066\u3001\u691c\u7d22\u3059\u308b\u3001\u3068\u3044\u3046\u4e00\u9023\u306e\u6d41\u308c\u3092\u5b9f\u884c\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3000\u3061\u306a\u307f\u306b\u3001sqlite3\u306f\u3001\u5225\u306e\u30b5\u30fc\u30d0\u30d7\u30ed\u30bb\u30b9\u3092\u7528\u610f\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u306e\u540d\u306e\u3068\u304a\u308a\u8efd\u91cf\u3067\u3001\u30c7\u30a3\u30b9\u30af\u4e0a\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u63d0\u4f9b\u3057\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9<\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import sqlite3\n\nconn = sqlite3.connect('test.db')\n\ncurs = conn.cursor()\n\ncurs.execute(\"SELECT tbl_name FROM sqlite_master WHERE type = 'table'\")\ntables = [table[0] for table in curs.fetchall()]\n\nif \"BOOKS\" in tables:\n    curs.execute(\"DROP TABLE BOOKS\")\ncurs.execute(\"CREATE TABLE BOOKS ( ID NUMBER PRIMARY KEY, TITLE VARCHAR(30), PUBLISHED DATE)\")\ncurs.execute(\"INSERT INTO BOOKS (ID, TITLE, PUBLISHED) VALUES\"\n             \" (1, '\u5165\u9580Python3', '2015-12-01')\"\n             \",(2, '\u5b9f\u8df5Python3', '2015-12-01')\"\n             \",(3, 'Fluent Python', '2017-10-11')\"\n             \",(4, 'Effective Python', '2016-01-22')\"\n            )\nconn.commit()\ncurs.execute(\"SELECT * FROM BOOKS\")\nrows = curs.fetchall()\nprint(rows)<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u8aac\u660e<\/h2>\n\n\n\n<p>\u30001\u884c\u76ee\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u540d\u306fsqlite3\u3067\u3059\u3002\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u3001import\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30003\u884c\u76ee\u3001sqlite3\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u4f7f\u3048\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u307e\u305aConnection\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30c7\u30fc\u30bf\u306f\u300ctest.db\u300d\u30d5\u30a1\u30a4\u30eb\u306b\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002\u300c:memory:\u300d\u3068\u3044\u3046\u7279\u6b8a\u306a\u540d\u524d\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001RAM\u4e0a\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u4f5c\u308c\u308b\u305d\u3046\u3067\u3059\u3002\u3061\u306a\u307f\u306b\u3001\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3057\u306a\u304f\u3066\u3082\u30a8\u30e9\u30fc\u306b\u306a\u3089\u305a\u3001\u52dd\u624b\u306b\u30d5\u30a1\u30a4\u30eb\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30005\u884c\u76ee\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u64cd\u4f5c\u306b\u306f\u3001\u5fc5\u305a\u30ab\u30fc\u30bd\u30eb\u304c\u5fc5\u8981\u3067\u3059\u3002\u3068\u3044\u3046\u3053\u3068\u3067\u3001cursor()\u30e1\u30bd\u30c3\u30c9\u3067\u30ab\u30fc\u30bd\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3000\u3053\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u4e2d\u306b\u3001\u300cBOOKS\u300d\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3057\u3088\u3046\u3068\u601d\u3063\u305f\u306e\u3067\u3059\u3051\u3069\u3001\u65e2\u306b\u3053\u306e\u300cBOOKS\u300d\u30c6\u30fc\u30d6\u30eb\u304c\u5b58\u5728\u3057\u305f\u5834\u5408\u306f\u3044\u3063\u305f\u3093\u524a\u9664\u3057\u3066\u304b\u3089\u4f5c\u6210\u3057\u307e\u3057\u3087\u3046\u30027\u884c\u76ee\u3067\u6307\u5b9a\u3057\u305f\u300csqlite_master\u300d\u30c6\u30fc\u30d6\u30eb\u306b\u306f\u3001\u3053\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u4e2d\u306b\u5165\u3063\u3066\u3044\u308b\u30b7\u30b9\u30c6\u30e0\u30c6\u30fc\u30d6\u30eb\u3067\u3001\u4f5c\u3089\u308c\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u60c5\u5831\u304c\u5165\u529b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30007\u884c\u76ee\u3067SELECT\u6587\u3092\u5b9a\u7fa9\u3057\u3066\u30018\u884c\u76ee\u3067\u30c7\u30fc\u30bf\u3092\u53d6\u308a\u51fa\u3057\u3066\u3044\u307e\u3059\u3002\u30c7\u30fc\u30bf\u306f\u30bf\u30d7\u30eb\u3067\u53d6\u308a\u51fa\u3055\u308c\u308b\u306e\u3067\u3001\u30ea\u30b9\u30c8\u5185\u5305\u8868\u8a18\u3067\u4e00\u3064\u76ee\u306e\u9805\u76ee\u3060\u3051\u3092\u53d6\u308a\u51fa\u3057\u3066\u3044\u307e\u3059\u300210\u884c\u76ee\u3067\u6bd4\u8f03\u3059\u308b\u305f\u3081\u3067\u3059\u30021\u56de\u76ee\u306f\u30c6\u30fc\u30d6\u30eb\u304c\u5b58\u5728\u3057\u306a\u3044\u306f\u305a\u3067\u3059\u306e\u3067\u300112\u884c\u76ee\u306e\u30c6\u30fc\u30d6\u30eb\u524a\u9664\u306f\u5b9f\u884c\u3055\u308c\u305a\u300112\u884c\u76ee\u306eCREATE TABLE\u6587\u3067\u30c6\u30fc\u30d6\u30eb\u3092\u3064\u304f\u308b\u3053\u3068\u304b\u3089\u59cb\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u300013\u884c\u76ee\u306eINSERT\u6587\u3067\u30c7\u30fc\u30bf\u3092\u6295\u5165\u3057\u3066\u3044\u307e\u3059\u3002\u4eca\u56de\u306f\u30011\u884c\u30674\u4ef6\u30c7\u30fc\u30bf\u3092\u4f5c\u6210\u3057\u3066\u3044\u307e\u3059\u3002sqlite3\u306fINSERT\u4e00\u6587\u3067\u8907\u6570\u4ef6\u6295\u5165\u3067\u304d\u308b\u306e\u3067\u3059\u306d\u3001\u4fbf\u5229\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u300019\u884c\u76ee\u3001commit()\u3067\u3059\u3002\u3053\u308c\u3067\u3001\u30c7\u30fc\u30bf\u304c\u78ba\u5b9a\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u300020\u884c\u76ee\u4ee5\u964d\u3001SELECT\u6587\u3067\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>\u3000sqlie3\u3001\u7c21\u5358\u3067\u3059\u306d\u3002\u307b\u3068\u3093\u3069\u60a9\u3080\u3053\u3068\u306a\u304f\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u3055\u3059\u304c\u6a19\u6e96\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3000\u4eca\u65e5\u3082\u898b\u306b\u6765\u3066\u304f\u3060\u3055\u3063\u3066\u3001\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059\u3002\u77f3\u5ddd\u3055\u3093\u3067\u3059\u3002 \u3000Python\u304b\u3089\u30c7\u30fc\u30bf\u3092\u4fdd\u6301\u3059\u308b\u305f\u3081\u306e\u65b9\u6cd5\u306e\u3072\u3068\u3064\u3001sqlite3\u3092\u5229\u7528\u3057\u3066\u307f\u307e\u3059\u3002sqlite3\u306fPython\u306e\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u7279 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.ishikawasekkei.com\/index.php\/2020\/06\/07\/python-programing-sqlite3-challenge\/\" class=\"more-link\"><span class=\"screen-reader-text\">&#8220;Python \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0 sqlite3\u3092\u4f7f\u3063\u3066\u307f\u308b&#8221; \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,2],"tags":[],"class_list":["post-1427","post","type-post","status-publish","format-standard","hentry","category-program","category-blog"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ishikawasekkei.com\/index.php\/wp-json\/wp\/v2\/posts\/1427","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ishikawasekkei.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ishikawasekkei.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ishikawasekkei.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ishikawasekkei.com\/index.php\/wp-json\/wp\/v2\/comments?post=1427"}],"version-history":[{"count":3,"href":"https:\/\/www.ishikawasekkei.com\/index.php\/wp-json\/wp\/v2\/posts\/1427\/revisions"}],"predecessor-version":[{"id":1430,"href":"https:\/\/www.ishikawasekkei.com\/index.php\/wp-json\/wp\/v2\/posts\/1427\/revisions\/1430"}],"wp:attachment":[{"href":"https:\/\/www.ishikawasekkei.com\/index.php\/wp-json\/wp\/v2\/media?parent=1427"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ishikawasekkei.com\/index.php\/wp-json\/wp\/v2\/categories?post=1427"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ishikawasekkei.com\/index.php\/wp-json\/wp\/v2\/tags?post=1427"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}