{"id":4423,"date":"2014-08-31T21:16:16","date_gmt":"2014-08-31T12:16:16","guid":{"rendered":"http:\/\/www.vincentina.net\/?p=4423"},"modified":"2014-08-31T21:18:07","modified_gmt":"2014-08-31T12:18:07","slug":"sql%e6%96%87%e3%82%92%e3%81%a1%e3%82%87%e3%81%93%e3%81%a3%e3%81%a8%e3%82%84%e3%82%8b%e3%81%9c%e3%82%88","status":"publish","type":"post","link":"https:\/\/www.vincentina.net\/?p=4423","title":{"rendered":"SQL\u6587\u3092\u3061\u3087\u3053\u3063\u3068\u3084\u308b\u305c\u3088"},"content":{"rendered":"

PHP\u3067SQL\u3092\u98db\u3070\u3059\u306b\u3057\u3066\u3082\u57fa\u672c\u3092\u3084\u3089\u3093\u3068\u3044\u304b\u3093\u305c\u3088\u3002\u3068\u3044\u3046\u4e8b\u3067\u3001\u304a\u305d\u3089\u304f\u4eca\u307e\u3067\u3084\u3063\u3066\u306a\u304b\u3063\u305fSQL\u3092\u3061\u3087\u3053\u3063\u3068\u3084\u308b\u305c\u3088\u3002<\/p>\n

\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u4f5c\u308b\u3002<\/p>\n

mysql> create database hogehoge;\r\nQuery OK, 1 row affected (0.01 sec)<\/pre>\n
\u9078\u629e\u3059\u308b\u3002<\/p>\n
mysql> use hogehoge;\r\nDatabase changed<\/pre>\n
\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u308b\u3002<\/p>\n
mysql> create table history (\r\n\u00a0\u00a0\u00a0 -> id INT NOT NULL PRIMARY KEY,\r\n    -> year char(4),\r\n\u00a0\u00a0\u00a0 -> General varchar(30)\r\n\u00a0\u00a0\u00a0 -> );\r\nQuery OK, 0 rows affected (0.01 sec)\r\n\r\nmysql> desc history;\r\n+---------+-------------+------+-----+---------+-------+\r\n| Field\u00a0\u00a0 | Type\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | Null | Key | Default | Extra |\r\n+---------+-------------+------+-----+---------+-------+\r\n| id\u00a0\u00a0\u00a0\u00a0\u00a0 | int(11)\u00a0\u00a0\u00a0\u00a0 | NO\u00a0\u00a0 | PRI | NULL\u00a0\u00a0\u00a0 |\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 |\r\n| year\u00a0\u00a0\u00a0 | char(4)\u00a0\u00a0\u00a0\u00a0 | YES\u00a0 |\u00a0\u00a0\u00a0\u00a0 | NULL\u00a0\u00a0\u00a0 |\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 |\r\n| General | varchar(30) | YES\u00a0 |\u00a0\u00a0\u00a0\u00a0 | NULL\u00a0\u00a0\u00a0 |\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 |\r\n+---------+-------------+------+-----+---------+-------+\r\n3 rows in set (0.00 sec)<\/pre>\n
\u30c7\u30fc\u30bf\u578b\u306f\u3053\u3063\u3061\u3092\u898b\u308b\u305c\u3088\u3002<\/p>\n
\uff20IT\u3000CREATE\u6587\u3067\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3059\u308b<\/big><\/a><\/pre>\n
\u5024\u3092\u5165\u308c\u308b\u3002\u53c2\u8003\u3000wikipedia \u30b9\u30d1\u30b3\u30f3\u6280\u8853\u53f2<\/a><\/p>\n
mysql> INSERT INTO history values\r\n\u00a0\u00a0\u00a0 ->\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (001, 1941, \"Zuse Z3\"),\r\n\u00a0\u00a0\u00a0 ->\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (002, 1946, \"ENIAC\"),\r\n\u00a0\u00a0\u00a0 ->\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (003, 1961, \"IBM 7030\"),\r\n\u00a0\u00a0\u00a0 ->\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (004, 1976, \"Cray-1\"),\r\n\u00a0\u00a0\u00a0 ->\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (005, 1989, \"\u30a2\u30f3\u30ea\u30c4 QCDPAX\"),\r\n\u00a0\u00a0\u00a0 ->\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (006, 2002, \"NEC \u5730\u7403\u30b7\u30df\u30e5\u30ec\u30fc\u30bf\"),\r\n\u00a0\u00a0\u00a0 ->\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (007, 2004, \"IBM Blue Gene\/L\");\r\nQuery OK, 7 rows affected (0.01 sec)\r\nRecords: 7\u00a0 Duplicates: 0\u00a0 Warnings: 0\r\n\r\nmysql> select * from history;\r\n+----+------+------------------------------+\r\n| id | year | General\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 |\r\n+----+------+------------------------------+\r\n|\u00a0 1 | 1941 | Zuse Z3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 |\r\n|\u00a0 2 | 1946 | ENIAC\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 |\r\n|\u00a0 3 | 1961 | IBM 7030\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 |\r\n|\u00a0 4 | 1976 | Cray-1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 |\r\n|\u00a0 5 | 1989 | \u30a2\u30f3\u30ea\u30c4 QCDPAX\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0  \u00a0 |\r\n|\u00a0 6 | 2002 | NEC \u5730\u7403\u30b7\u30df\u30e5\u30ec\u30fc\u30bf\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0  \u00a0 |\r\n|\u00a0 7 | 2004 | IBM Blue Gene\/L\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 |\r\n+----+------+------------------------------+\r\n7 rows in set (0.00 sec)<\/pre>\n
\u3068\u308a\u3042\u3048\u305a\u4eca\u56de\u306f\u3053\u3093\u306a\u3082\u3093\u3067\u30fb\u30fb\u30fb\uff08\u5c11\u306a\u3044\u3051\u3069\uff09<\/p>\n
\u304a\u307e\u3051<\/p>\n
WordPress\u3067\u51e6\u7406\u304c\u91cd\u305f\u3044\u306a\u3041\u3068\u611f\u3058\u308b\u3068\u304d\u3001\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u539f\u56e0\u3060\u3063\u305f\u5834\u5408\u306b\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u6700\u9069\u5316\u3092\u3059\u308b\u306e\u304c\u826f\u3044\u3089\u3057\u3044\u305c\u3088\u3002<\/p>\n
\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u3084\u3063\u3066\u3044\u305f\u6642\u306b\u51fa\u3066\u304d\u305f\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3068\u8a00\u3048\u3070\u3001\u30ab\u30fc\u30cd\u30eb\u306e\u51e6\u7406\u306e\u6642\u9593\u3060\u3063\u305f\uff08\u6c17\u304c\u3059\u308b\uff09\u304c\u3001\u3053\u3093\u304b\u3044\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u306fHDD\u306b\u7121\u99c4\u306a\u9818\u57df\u304c\u3067\u304d\u3066\u3057\u307e\u3046\u4e8b\u3092\u6307\u3059\u3002
\n\u8981\u306f\u5c11\u306a\u3044\u65b9\u304c\u3044\u3044\u3063\u3066\u3053\u3068\u3060\u305c\u3043\u3002<\/p>\n
\u904e\u53bb\u306b\u305f\u3063\u305f\u6570K\u30d0\u30a4\u30c8\u306e\u9818\u57df\u3092\u6700\u9069\u5316\u3057\u305f\u3060\u3051\u3067\u3001\u306a\u3093\u3068\u306a\u304f\u306e\u4f53\u611f\u901f\u5ea6\u304c\u304b\u306a\u308a\u6539\u5584\u3055\u308c\u305f\u8a18\u61b6\u304c\u3042\u308b\u3002\u306a\u3093\u3060\u304b\u8a00\u3063\u3066\u308b\u3053\u3068\u304c\u8d85\u3042\u3044\u307e\u3044<\/span>\u3060\u3051\u3069\u3001\u305d\u308c\u304c\u4e8b\u5b9f\u306a\u306e\u3060\u3002<\/p>\n
\u6700\u9069\u5316\u306f\u305f\u3051\u3051\u3093\u306f\u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u6bce\u6708\u3084\u3063\u3066\u3044\u308b\u306e\u3067\uff57\u3001SlowqueryLog\u306f\u6bce\u671d\u30e1\u30fc\u30eb\u3067\u98db\u3093\u3067\u304f\u308b\u3051\u3069\u3001\u3068\u304f\u306b\u554f\u984c\u304c\u898b\u3064\u304b\u3063\u305f\u3053\u3068\u306f\u306a\u3044\u305c\u3088\u3002<\/p>\n
OPTIMIZE TABLE \u30c6\u30fc\u30d6\u30eb\u540d;<\/code><\/pre>\n
\u3067\u5b9f\u884c\u53ef\u80fd\u305c\u3088\u3002<\/p>\n
\u8efd\u304f\u30b0\u30b0\u3063\u3066\u307f\u3066\u3082\u3001Wordpress\u306f\u5b9a\u671f\u7684\u306b\u6700\u9069\u5316\u3057\u306a\u3044\u3068\u91cd\u304f\u306a\u308b\u305c\u3088\u3063\u3066\u8a18\u4e8b\u304c\u51fa\u3066\u304f\u308b\u306e\u3067\u3001Wordpress\u304c\u91cd\u3044\u3093\u3060\u304c\uff01\u3068\u60a9\u3093\u3067\u308b\u4eba\u306f\u662f\u975e\u3068\u3082\u8a66\u3057\u3066\u307f\u3066\u307b\u3057\u3044\u3093\u3060\u305c\u3043\u3002<\/p>\n
 <\/p>\n
\u6b21\u56de\u4e88\u544a<\/p>\n
SQL\u6587\u3092\u3082\u3046\u3061\u3087\u3063\u3068\u3084\u308b\u305c\u3088<\/p>\n
 <\/p>\n
        
Tweet<\/a><\/div><\/div>\n
\n","protected":false},"excerpt":{"rendered":"
PHP\u3067SQL\u3092\u98db\u3070\u3059\u306b\u3057\u3066\u3082\u57fa\u672c\u3092\u3084\u3089\u3093\u3068\u3044\u304b\u3093\u305c\u3088\u3002\u3068\u3044\u3046\u4e8b\u3067\u3001\u304a\u305d\u3089\u304f\u4eca\u307e\u3067\u3084\u3063\u3066\u306a\u304b\u3063\u305fSQL\u3092\u3061\u3087\u3053\u3063\u3068\u3084\u308b\u305c\u3088\u3002 \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u4f5c\u308b\u3002 mysql> create database hogehoge;  … “SQL\u6587\u3092\u3061\u3087\u3053\u3063\u3068\u3084\u308b\u305c\u3088” \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":[6],"tags":[],"class_list":["post-4423","post","type-post","status-publish","format-standard","hentry","category-server"],"_links":{"self":[{"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/posts\/4423","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4423"}],"version-history":[{"count":0,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/posts\/4423\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vincentina.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4423"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4423"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4423"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}