{"id":2992,"date":"2026-05-09T21:13:58","date_gmt":"2026-05-09T13:13:58","guid":{"rendered":"https:\/\/tekno.bali-island.com\/?p=2992"},"modified":"2026-05-09T21:14:01","modified_gmt":"2026-05-09T13:14:01","slug":"mysql%e6%a7%8b%e6%96%87%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8b%e6%bc%94%e7%ae%97%e5%ad%90%e3%81%ae%e7%a8%ae%e9%a1%9e","status":"publish","type":"post","link":"https:\/\/tekno.bali-island.com\/ja\/articles\/mysql%e6%a7%8b%e6%96%87%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8b%e6%bc%94%e7%ae%97%e5%ad%90%e3%81%ae%e7%a8%ae%e9%a1%9e\/","title":{"rendered":"MySQL\u69cb\u6587\u306b\u304a\u3051\u308b\u6f14\u7b97\u5b50\u306e\u7a2e\u985e"},"content":{"rendered":"\n<p>MySQL\u3092\u4f7f\u7528\u3057\u305f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u7ba1\u7406\u3068\u64cd\u4f5c\u306b\u304a\u3044\u3066\u3001\u6f14\u7b97\u5b50\u306f\u3055\u307e\u3056\u307e\u306a\u8a08\u7b97\u3001\u6bd4\u8f03\u3001\u6761\u4ef6\u8a55\u4fa1\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001MySQL\u69cb\u6587\u306b\u304a\u3051\u308b\u6f14\u7b97\u5b50\u306e\u7a2e\u985e\u3068\u305d\u306e\u8aac\u660e\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b97\u8853\u6f14\u7b97\u5b50<\/strong><\/h2>\n\n\n\n<p>\u7b97\u8853\u6f14\u7b97\u5b50\u306f\u3001\u5024\uff08\u30aa\u30da\u30e9\u30f3\u30c9\uff09\u306b\u5bfe\u3057\u3066\u57fa\u672c\u7684\u306a\u6570\u5b66\u8a08\u7b97\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u52a0\u7b97\uff08 + \uff09<\/strong>: \u4e21\u65b9\u306e\u30aa\u30da\u30e9\u30f3\u30c9\u306e\u5024\u3092\u52a0\u7b97\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u6f14\u7b97\u5b50\u3002\u4f8b\uff1a30 + 20 \u306f 50 \u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u6e1b\u7b97\uff08 &#8211; \uff09<\/strong>: \u5de6\u30aa\u30da\u30e9\u30f3\u30c9\u304b\u3089\u53f3\u30aa\u30da\u30e9\u30f3\u30c9\u3092\u6e1b\u7b97\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u6f14\u7b97\u5b50\u3002\u4f8b\uff1a30 &#8211; 10 \u306f 20 \u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u4e57\u7b97\uff08 * \uff09<\/strong>: \u4e21\u65b9\u306e\u30aa\u30da\u30e9\u30f3\u30c9\u3092\u4e57\u7b97\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u6f14\u7b97\u5b50\u3002\u4f8b\uff1a3 * 3 \u306f 9 \u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u9664\u7b97\uff08 \/ \uff09<\/strong>: \u5de6\u30aa\u30da\u30e9\u30f3\u30c9\u3092\u53f3\u30aa\u30da\u30e9\u30f3\u30c9\u3067\u9664\u7b97\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u6f14\u7b97\u5b50\u3002\u4f8b\uff1a20 \/ 2 \u306f 10 \u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u5270\u4f59\uff08 % \uff09<\/strong>: \u5de6\u30aa\u30da\u30e9\u30f3\u30c9\u3092\u53f3\u30aa\u30da\u30e9\u30f3\u30c9\u3067\u9664\u7b97\u3057\u305f\u4f59\u308a\u3092\u6c42\u3081\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u6f14\u7b97\u5b50\u3002\u4f8b\uff1a10 % 2 \u306f 0 \u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u6bd4\u8f03\u6f14\u7b97\u5b50<\/strong><\/h2>\n\n\n\n<p>\u6bd4\u8f03\u6f14\u7b97\u5b50\u306f\u30012\u3064\u306e\u5024\u3092\u6bd4\u8f03\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u64cd\u4f5c\u306e\u7d50\u679c\u306f\u30d6\u30fc\u30eb\u5024\uff08true \u307e\u305f\u306f false\uff09\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uff08 = \uff09<\/strong>: \u4e21\u65b9\u306e\u30aa\u30da\u30e9\u30f3\u30c9\u304c\u7b49\u3057\u3044\u304b\u3069\u3046\u304b\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002\u7b49\u3057\u3044\u5834\u5408\u306f true \u306b\u306a\u308a\u307e\u3059\u3002\u4f8b\uff1a10 = 10 \u306f true \u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\uff08 != \uff09<\/strong>: \u30aa\u30da\u30e9\u30f3\u30c9\u304c\u7b49\u3057\u304f\u306a\u3044\u304b\u3069\u3046\u304b\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002\u7b49\u3057\u304f\u306a\u3044\u5834\u5408\u306f true \u306b\u306a\u308a\u307e\u3059\u3002\u4f8b\uff1a5 != 10 \u306f true \u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\uff08 &lt;> \uff09<\/strong>: != \u3068\u540c\u3058\u6a5f\u80fd\u3067\u3001\u30aa\u30da\u30e9\u30f3\u30c9\u304c\u7b49\u3057\u304f\u306a\u3044\u304b\u3069\u3046\u304b\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002\u7b49\u3057\u304f\u306a\u3044\u5834\u5408\u306f true \u306b\u306a\u308a\u307e\u3059\u3002\u4f8b\uff1a5 &lt;> 10 \u306f true \u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\uff08 > \uff09<\/strong>: \u5de6\u30aa\u30da\u30e9\u30f3\u30c9\u304c\u53f3\u30aa\u30da\u30e9\u30f3\u30c9\u3088\u308a\u5927\u304d\u3044\u304b\u3069\u3046\u304b\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002\u5927\u304d\u3044\u5834\u5408\u306f true \u306b\u306a\u308a\u307e\u3059\u3002\u4f8b\uff1a10 > 5 \u306f true \u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\uff08 &lt; \uff09<\/strong>: \u5de6\u30aa\u30da\u30e9\u30f3\u30c9\u304c\u53f3\u30aa\u30da\u30e9\u30f3\u30c9\u3088\u308a\u5c0f\u3055\u3044\u304b\u3069\u3046\u304b\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002\u5c0f\u3055\u3044\u5834\u5408\u306f true \u306b\u306a\u308a\u307e\u3059\u3002\u4f8b\uff1a5 &lt; 10 \u306f true \u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\uff08 >= \uff09<\/strong>: \u5de6\u30aa\u30da\u30e9\u30f3\u30c9\u304c\u53f3\u30aa\u30da\u30e9\u30f3\u30c9\u4ee5\u4e0a\u304b\u3069\u3046\u304b\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002\u4ee5\u4e0a\u306e\u5834\u5408\u306f true \u306b\u306a\u308a\u307e\u3059\u3002\u4f8b\uff1a10 >= 10 \u306f true \u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\uff08 &lt;= \uff09<\/strong>: \u5de6\u30aa\u30da\u30e9\u30f3\u30c9\u304c\u53f3\u30aa\u30da\u30e9\u30f3\u30c9\u4ee5\u4e0b\u304b\u3069\u3046\u304b\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u5834\u5408\u306f true \u306b\u306a\u308a\u307e\u3059\u3002\u4f8b\uff1a5 &lt;= 10 \u306f true \u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\uff08 !&lt; \uff09<\/strong>: \u5de6\u30aa\u30da\u30e9\u30f3\u30c9\u304c\u53f3\u30aa\u30da\u30e9\u30f3\u30c9\u3088\u308a\u5c0f\u3055\u304f\u306a\u3044\u304b\u3069\u3046\u304b\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002\u5c0f\u3055\u304f\u306a\u3044\u5834\u5408\u306f true \u306b\u306a\u308a\u307e\u3059\u3002\u4f8b\uff1a10 !&lt; 5 \u306f true \u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\uff08 !> \uff09<\/strong>: \u5de6\u30aa\u30da\u30e9\u30f3\u30c9\u304c\u53f3\u30aa\u30da\u30e9\u30f3\u30c9\u3088\u308a\u5927\u304d\u304f\u306a\u3044\u304b\u3069\u3046\u304b\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002\u5927\u304d\u304f\u306a\u3044\u5834\u5408\u306f true \u306b\u306a\u308a\u307e\u3059\u3002\u4f8b\uff1a9 !> 10 \u306f true \u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u8ad6\u7406\u6f14\u7b97\u5b50<\/strong><\/h2>\n\n\n\n<p>\u8ad6\u7406\u6f14\u7b97\u5b50\u306f\u3001\u8907\u6570\u306e\u6761\u4ef6\u3092\u7d50\u5408\u3057\u305f\u308a\u3001\u7279\u5b9a\u306e\u53e5\u3067\u8ad6\u7406\u8a55\u4fa1\u3092\u5b9f\u884c\u3057\u305f\u308a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>ALL<\/strong>: \u3042\u308b\u5024\u3068\u3001\u5225\u306e\u5024\u306e\u96c6\u5408\u5185\u306e\u3059\u3079\u3066\u306e\u5024\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>AND<\/strong>: 2\u3064\u4ee5\u4e0a\u306e\u30d6\u30fc\u30eb\u5f0f\u3092\u7d50\u5408\u3057\u307e\u3059\u3002\u3059\u3079\u3066\u306e\u6761\u4ef6\u304c\u6e80\u305f\u3055\u308c\u305f\u5834\u5408\u306b true \u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>ANY<\/strong>: \u6761\u4ef6\u306b\u5f93\u3063\u3066\u3001\u30ea\u30b9\u30c8\u5185\u306e\u8a72\u5f53\u3059\u308b\u4efb\u610f\u306e\u5024\u3068\u5024\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>BETWEEN<\/strong>: \u6307\u5b9a\u3055\u308c\u305f\u6700\u5c0f\u5024\u3068\u6700\u5927\u5024\u306e\u7bc4\u56f2\u5185\u306e\u5024\u3092\u691c\u7d22\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>EXISTS<\/strong>: \u7279\u5b9a\u306e\u57fa\u6e96\u3092\u6e80\u305f\u3059\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u7279\u5b9a\u306e\u884c\u306e\u5b58\u5728\u3092\u691c\u7d22\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>IN<\/strong>: \u5024\u3092\u6307\u5b9a\u3055\u308c\u305f\u30ea\u30c6\u30e9\u30eb\u5024\u306e\u30ea\u30b9\u30c8\u3068\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>LIKE<\/strong>: \u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u3066\u3001\u5024\u3092\u985e\u4f3c\u306e\u5024\u3068\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>NOT<\/strong>: \u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u8ad6\u7406\u6f14\u7b97\u5b50\u306e\u610f\u5473\u3092\u53cd\u8ee2\u3055\u305b\u307e\u3059\uff08\u5426\u5b9a\uff09\u3002<\/li>\n\n\n\n<li><strong>OR<\/strong>: \u53e5\u306b\u6761\u4ef6\u3092\u8ffd\u52a0\u3057\u3001\u3044\u305a\u308c\u304b\u307e\u305f\u306f\u4e21\u65b9\u306e\u6761\u4ef6\u304c\u771f\u306e\u5834\u5408\u306b true \u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>IS NULL<\/strong>: \u5024\u304c\u7a7a\uff08NULL\uff09\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>UNIQUE<\/strong>: \u91cd\u8907\u306e\u306a\u3044\u30c6\u30fc\u30d6\u30eb\u306e\u5404\u884c\u306e\u4e00\u610f\u6027\u3092\u691c\u7d22\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>BETWEEN\u6f14\u7b97\u5b50\u306e\u4f7f\u7528<\/strong><\/h2>\n\n\n\n<p><strong>BETWEEN<\/strong>\u6f14\u7b97\u5b50\u306f\u3001\u6307\u5b9a\u3055\u308c\u305f\u7bc4\u56f2\u5185\u306e\u5024\u3092\u691c\u7d22\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u6f14\u7b97\u5b50\u3067\u3059\u3002\u305d\u306e\u7bc4\u56f2\u306f\u3001\u8868\u793a\u3057\u305f\u3044\u6700\u5c0f\u5024\u3068\u6700\u5927\u5024\u306e\u5883\u754c\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002BETWEEN\u6f14\u7b97\u5b50\u306f\u3001\u4ed6\u306e\u6bd4\u8f03\u6f14\u7b97\u5b50\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u57fa\u672c\u69cb\u6587:<\/strong><\/p>\n\n\n\n<p>SQL<\/p>\n\n\n\n<p>SELECT * FROM \u30c6\u30fc\u30d6\u30eb\u540d WHERE \u30ab\u30e9\u30e0\u540d BETWEEN \u6700\u5c0f\u5024 AND \u6700\u5927\u5024;<\/p>\n\n\n\n<p><strong>\u4f7f\u7528\u4f8b:<\/strong><\/p>\n\n\n\n<p>SQL<\/p>\n\n\n\n<p>SELECT * FROM list_HP WHERE \u4fa1\u683c BETWEEN 1000000 AND 5000000;<\/p>\n\n\n\n<p><em>\u610f\u5473:<\/em>&nbsp;\u3053\u306e\u30b3\u30de\u30f3\u30c9\u306f\u3001list_HP\u30c6\u30fc\u30d6\u30eb\u306e\u4fa1\u683c\u30ab\u30e9\u30e0\u304b\u3089\u30011,000,000\u4ee5\u4e0a5,000,000\u4ee5\u4e0b\u306e\u5024\u3092\u6301\u3064\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>LIKE\u53e5\u306e\u4f7f\u7528<\/strong><\/h2>\n\n\n\n<p><strong>LIKE<\/strong>\u53e5\u306f\u3001\u5024\u3092\u691c\u7d22\u30d1\u30bf\u30fc\u30f3\u3068\u6bd4\u8f03\u3057\u3066\u691c\u7d22\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u6f14\u7b97\u5b50\u3067\u3059\u3002\u3053\u306e\u53e5\u306f\u3001\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u6f14\u7b97\u5b50\u3092\u7f6e\u63db\u6587\u5b57\u3068\u3057\u3066\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uff08 _ \uff09<\/strong>:\u00a0<strong>1\u3064<\/strong>\u306e\u4efb\u610f\u306e\u6587\u5b57\u3092\u8868\u3059\u306e\u306b\u9069\u5408\u3059\u308b\u7f6e\u63db\u6587\u5b57\u3002<\/li>\n\n\n\n<li><strong>\uff08 % \uff09<\/strong>: \u9577\u3055<strong>0\u304b\u3089\u7121\u5236\u9650<\/strong>\u306e\u4efb\u610f\u306e\u6587\u5b57\u3092\u8868\u3059\u306e\u306b\u9069\u5408\u3059\u308b\u7f6e\u63db\u6587\u5b57\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u57fa\u672c\u69cb\u6587:<\/strong><\/p>\n\n\n\n<p>SQL<\/p>\n\n\n\n<p>SELECT \u8868\u793a\u30ab\u30e9\u30e0 FROM \u30c6\u30fc\u30d6\u30eb\u540d WHERE \u691c\u7d22\u30ab\u30e9\u30e0 LIKE &#8216;\u691c\u7d22\u30ad\u30fc\u30ef\u30fc\u30c9&#8217;;<\/p>\n\n\n\n<p><strong>\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u306a\u3057\u306e\u4f7f\u7528\u4f8b:<\/strong><\/p>\n\n\n\n<p>SQL<\/p>\n\n\n\n<p>SELECT * FROM \u5b66\u751f WHERE \u5b66\u751f\u540d LIKE &#8216;Wilantara&#8217;;<\/p>\n\n\n\n<p><em>\u610f\u5473:<\/em>&nbsp;\u5b66\u751f\u540d\u30ab\u30e9\u30e0\u304c\u6b63\u78ba\u306b&#8221;Wilantara&#8221;\u3067\u3042\u308b\u5b66\u751f\u30c6\u30fc\u30d6\u30eb\u306e\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u305f\u4f7f\u7528\u4f8b:<\/strong><\/p>\n\n\n\n<p>SQL<\/p>\n\n\n\n<p>SELECT * FROM \u5b66\u751f WHERE \u5b66\u751f\u540d LIKE 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\u7b97\u8853\u6f14\u7b97\u5b50\u306f\u3001\u5024\uff08\u30aa\u30da\u30e9\u30f3\u30c9\uff09\u306b\u5bfe\u3057\u3066\u57fa\u672c\u7684\u306a\u6570\u5b66\u8a08\u7b97\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u6bd4\u8f03\u6f14\u7b97\u5b50 \u6bd4\u8f03\u6f14\u7b97\u5b50\u306f\u30012\u3064\u306e\u5024\u3092\u6bd4\u8f03\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u64cd\u4f5c\u306e\u7d50\u679c\u306f\u30d6\u30fc\u30eb\u5024\uff08true \u307e\u305f\u306f f &hellip;<\/p>\n","protected":false},"author":1,"featured_media":2974,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[100],"tags":[],"class_list":["post-2992","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-100"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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