{"id":892,"date":"2021-10-14T00:13:40","date_gmt":"2021-10-13T15:13:40","guid":{"rendered":"https:\/\/suzutukiblog.com\/?p=892"},"modified":"2022-10-08T00:30:52","modified_gmt":"2022-10-07T15:30:52","slug":"mysql17","status":"publish","type":"post","link":"https:\/\/suzutukiblog.com\/index.php\/2021\/10\/14\/mysql17\/","title":{"rendered":"MySQL(\u305d\u306e17 \u30c7\u30fc\u30bf\u306e\u66f4\u65b0\u3068\u524a\u9664)"},"content":{"rendered":"

\u305d\u306e16\u304b\u3089\u7d9a\u304d\u307e\u3059<\/a><\/p>\n

1:\u30c7\u30fc\u30bf\u306e\u66f4\u65b0(\u65b0\u898f\u30c7\u30fc\u30bf\u3092\u8ffd\u52a0\u3059\u308b(insert))<\/h3>\n

\u4f8b\uff1a\u65b0\u5546\u54c1\u30921\u4ef6\u8ffd\u52a0\u3057\u305f\u3044\uff01\u5546\u54c1\u540d\u306f”\u65b0\u5546\u54c1A”\u3067\u4fa1\u683c\u30921000\u5186\u3068\u3059\u308b<\/strong><\/p>\n

insert into products(name,price)values('\u65b0\u5546\u54c1A', 1000);<\/strong><\/pre>\n
\"\"<\/p>\n
\u5217\u30ea\u30b9\u30c8\u3092\u7701\u7565\u3057\u30661\u4ef6\u30ec\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3059\u308b<\/h3>\n
<\/p>\n
insert products values(1002,'\u65b0\u5546\u54c1B', 2000);<\/strong><\/pre>\n
\"\"<\/p>\n
\u203b\u6ce8\u610f\uff01<\/h3>\n
\u2191\u9806\u756a\u306b\u66f8\u304b\u306a\u3051\u308c\u3070\u3044\u3051\u306a\u304b\u3063\u305f\u308a\u3001\u5168\u5217\u6307\u5b9a\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u306a\u3044
\n\u3068\u3053\u308d\u304c\u30df\u30b9\u306b\u306a\u308a\u3084\u3059\u304f\u4f7f\u3044\u52dd\u624b\u304c\u60aa\u3044<\/p>\n
\u884c\u3092\u8907\u6570\u8ffd\u52a0\u3059\u308b<\/h3>\n
\u4f8b\u984c)\u65b0\u5546\u54c13\u4ef6\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u8ffd\u52a0\u3057\u305f\u3044\uff01
\n[\u65b0\u5546\u54c1C,\u4fa1\u683c3,000\u5186],[\u5546\u54c1\u540d:\u65b0\u5546\u54c1D,\u4fa1\u683c4,000\u5186]
\n[\u5546\u54c1\u540d:\u65b0\u5546\u54c1E,\u4fa1\u683c5,000\u5186]<\/h3>\n
insert into products(name,price)\r\nvalues\r\n('\u65b0\u5546\u54c1C',3000),\r\n('\u65b0\u5546\u54c1D',4000),\r\n('\u65b0\u5546\u54c1E',5000),<\/strong><\/pre>\n
\"\"<\/p>\n
\u30ec\u30b3\u30fc\u30c9\u306e\u66f4\u65b0(update)<\/p>\n
\u4f8b\uff1a\u5168\u5546\u54c1\u309210%\u5f15\u304d\u306b\u8a2d\u5b9a\u3057\u305f\u3044\uff01<\/h3>\n
10%\u5f15\u304d\u524d<\/p>\n
\"\"
\n\u2193\u30bb\u30fc\u30d5\u30e2\u30fc\u30c9\u3092\u89e3\u9664\u3000\u5b9f\u52d9\u3067\u4f7f\u3046\u5834\u5408\u306f\u6ce8\u610f\uff01
\nset sql_safe_updates = 0;
\nupdate products set price = price * 0.9;<\/p>\n
\"\"<\/p>\n
\u7279\u5b9a\u306e\u6761\u4ef6\u306b\u5408\u81f4\u3059\u308b\u30c7\u30fc\u30bf\u3092\u66f4\u65b0(update)<\/h3>\n
\u4f8b\uff1a\u5546\u54c1id3\u306e\u5546\u54c1\u540d\u3092SQL\u5165\u9580\u306b\u5909\u66f4\u3057\u305f\u3044\uff01
\nupdate\u6587\u3068where\u53e5\u3092\u4f7f\u3046\u3002<\/h3>\n
update<\/strong> products set name = ‘SQL\u5165\u9580’ where id = 3;<\/p>\n
\u8907\u6570\u306e\u5217\u3092\u66f4\u65b0\u3059\u308b\u5834\u5408<\/p>\n
update<\/strong> products set name = ‘SQL\u5165\u9580’, price = 1000, where id = 3;\"\"<\/p>\n
\u66f4\u65b0\u6761\u4ef6\u306b\u30b5\u30d6\u30af\u30a8\u30ea\u3092\u4f7f\u3046<\/h3>\n
\u4f8b\uff1a\u7d2f\u8a08\u8ca9\u58f2\u6570\u304c10\u3092\u8d85\u3048\u3066\u3044\u308b\u5546\u54c1\u306b\u3064\u3044\u3066\u306f\u4fa1\u683c\u30925%UP\u3057\u305f\u3044\uff01<\/h3>\n
\u2193\u7d2f\u8a08\u8ca9\u58f2\u6570(sum(product_qty)\u304c 10 \u3092\u8d85\u3048\u3066\u3044\u308b\u5546\u54c1\u3092\u62bd\u51fa\r\nselect\r\nproduct_id,sum(product_qty)\r\nfrom\r\norder_details\r\ngroup by\r\nproduct_id\r\nhaving\r\nsum(product_qty) >= 10<\/strong><\/pre>\n
\u3053\u308c\u3092\u30b5\u30d6\u30af\u30a8\u30ea\u3068\u3057\u3066\u4f7f\u3046<\/p>\n
update\r\nproducts\r\nset\r\nprice = price * 1.05\r\nwhere\r\nid in\r\n(select\r\nproduct_id\r\nfrom\r\norder_details\r\ngroup by\r\nproduct_id\r\nhaving\r\nsum(product_qty) >= 10\r\n);<\/strong><\/pre>\n
\"\"<\/p>\n
\u884c\u3092\u524a\u9664\u3059\u308b(delete)<\/h3>\n
\u4f8b\uff1a\u4eca\u5546\u54c1\u306b\u5272\u308a\u632f\u3089\u308c\u3066\u3044\u308b\u5546\u54c1\u30ab\u30c6\u30b4\u30ea\u3092\u4f7f\u3046\u306e\u3092\u3084\u3081\u308b\u306e\u3067\u3001
\n\u5546\u54c1\u3068\u30ab\u30c6\u30b4\u30ea\u306e\u3072\u3082\u4ed8\u3051\u3092\u524a\u9664\u3057\u305f\u3044\uff01<\/h3>\n
\u203b\u524a\u9664\u524d\"\"<\/h3>\n
delete from products_categories;<\/strong>\"\"<\/p>\n
\u524a\u9664\u3055\u308cnull\u3060\u3051\u306b\u306a\u3063\u305f\uff01<\/p>\n
\u203b\u6ce8\u610f\uff01<\/h3>\n
delete \u3067\u524a\u9664\u3057\u305f\u30c7\u30fc\u30bf\u306f\u57fa\u672c\u7684\u306b\u306f\u5143\u306b\u623b\u305b\u306a\u3044<\/strong>\u3002
\n\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092delete\u3059\u308b\u6642\u306b\u4e88\u60f3\u5916\u306b\u6642\u9593\u304c\u304b\u304b\u308b<\/strong>\u5834\u5408\u304c\u3042\u308b\u306e\u3067\u6ce8\u610f
\n\u4e00\u6982\u306b\u306f\u8a00\u3048\u306a\u3044\u304c 10\u4e07\u4ef6\u3092\u8d85\u3048\u308b<\/strong>\u3050\u3089\u3044\u304b\u3089\u7528\u5fc3\u3057\u305f\u307b\u3046\u304c\u826f\u3044<\/p>\n
\u4f8b\uff1a\u5546\u54c1ID1001\u306f\u9593\u9055\u3044\u3067\u767b\u9332\u3057\u305f\u3082\u306e\u3060\u304b\u3089\u524a\u9664\u3057\u305f\u3044\uff01<\/h3>\n
\u203b\u6ce8\u610f\uff01<\/h3>\n
\u3046\u3063\u304b\u308awhere\u53e5\u3092\u6307\u5b9a\u3057\u5fd8\u308c\u308b\u3068products\u30c6\u30fc\u30d6\u30eb\u5168\u4f53\u304c\u524a\u9664\u5bfe\u8c61<\/strong>\u3068\u306a\u308a\u5927\u5909\u306a\u3053\u3068\u306b\u306a\u308b\uff01<\/p>\n
\"\"<\/p>\n
\u4f8b\uff1a1\u500b\u3082\u58f2\u308c\u3066\u306a\u3044\u5546\u54c1\u306f\u58f2\u308b\u306e\u3092\u3084\u3081\u308b\u306e\u3067\u524a\u9664\u3057\u305f\u3044\uff01<\/h3>\n
\u307e\u305a\u521d\u3081\u306b1\u500b\u4ee5\u4e0a\u58f2\u308c\u3066\u3044\u308b\u5546\u54c1\u3092\u8868\u793a\u3057\u5f8c\u3067\u5229\u7528<\/p>\n
select product_id from order_details group by product_id;<\/strong><\/pre>\n
delete\r\nfrom\r\nproducts\r\nwhere\r\nid not in(<\/strong>\r\nselect<\/strong>\r\nproduct_id<\/strong>\r\nfrom<\/strong>\r\norder_details<\/strong>\r\ngroup by<\/strong>\r\nproduct_id);<\/strong><\/pre>\n
\"\"<\/strong><\/p>\n
\u305d\u306e18\u306b\u7d9a\u304d\u307e\u3059\u3002<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
\u305d\u306e16\u304b\u3089\u7d9a\u304d\u307e\u3059 1:\u30c7\u30fc\u30bf\u306e\u66f4\u65b0(\u65b0\u898f\u30c7\u30fc\u30bf\u3092\u8ffd\u52a0\u3059\u308b(insert)) \u4f8b\uff1a\u65b0\u5546\u54c1\u30921\u4ef6\u8ffd\u52a0\u3057\u305f\u3044\uff01\u5546\u54c1\u540d\u306f”\u65b0\u5546\u54c1A”\u3067\u4fa1\u683c\u30921000\u5186\u3068\u3059\u308b insert into products( […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","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":[5,27],"tags":[],"class_list":["post-892","post","type-post","status-publish","format-standard","hentry","category-mysql","category-programming-note"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/892","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/comments?post=892"}],"version-history":[{"count":20,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/892\/revisions"}],"predecessor-version":[{"id":6031,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/posts\/892\/revisions\/6031"}],"wp:attachment":[{"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/media?parent=892"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/categories?post=892"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/suzutukiblog.com\/index.php\/wp-json\/wp\/v2\/tags?post=892"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}