{"id":82410,"date":"2021-08-01T08:07:23","date_gmt":"1970-01-01T00:00:00","guid":{"rendered":"https:\/\/www.sejuku.net\/blog\/?p=82410"},"modified":"2024-05-06T11:53:46","modified_gmt":"2024-05-06T02:53:46","slug":"%e3%80%90mysql%e5%85%a5%e9%96%80%e3%80%91select%e6%96%87%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%82%92%e8%a7%a3%e8%aa%ac%ef%bc%81wherelimit%e3%81%a7%e6%9d%a1%e4%bb%b6%e3%82%92%e7%b5%9e%e3%82%8a","status":"publish","type":"post","link":"https:\/\/www.sejuku.net\/blog\/82410","title":{"rendered":"\u3010MySQL\u5165\u9580\u3011SELECT\u6587\u306e\u4f7f\u3044\u65b9\u3092\u89e3\u8aac\uff01WHERE,LIMIT\u3067\u6761\u4ef6\u3092\u7d5e\u308a\u8fbc\u3080"},"content":{"rendered":"

\u7686\u3055\u3093MySQL\u306f\u4f7f\u3063\u3066\u307e\u3059\u304b\uff1f\u4eca\u56de\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u6a5f\u80fd\u306e\u57fa\u672c\u3067\u3042\u308b\u62bd\u51fa\u306b\u7126\u70b9\u3092\u5f53\u3066\u3066\u5b66\u3093\u3067\u3044\u304d\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306fSELECT\u6587\u306e\u4f7f\u3044\u65b9\u3067\u3059\u306d\u3002<\/p>\n

SELECT\u3068\u3044\u3046\u3068SQL\u306e\u57fa\u672c\u4e2d\u306e\u57fa\u672c\u3002\u3067\u3059\u304c\u3001\u6761\u4ef6\u306e\u7d44\u307f\u5408\u308f\u305b\u6b21\u7b2c\u3067\u5b9f\u884c\u901f\u5ea6\u304c100\u500d\u4ee5\u4e0a\u3082\u5909\u308f\u3063\u3066\u3057\u307e\u3046\u3088\u3046\u306a\u3001\u5965\u306e\u6df1\u3044\u30af\u30a8\u30ea\u3067\u3082\u3042\u308a\u307e\u3059\u3002\u5965\u306e\u6df1\u3044\u4e16\u754c\u3067\u306f\u3042\u308a\u307e\u3059\u304c\u3001\u307e\u305a\u306f\u4e00\u6b69\u8e0f\u307f\u51fa\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff01<\/p>\n

\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u6e96\u5099<\/h2>\n

\u672c\u8a18\u4e8b\u3067\u4f7f\u3046\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u3042\u3089\u304b\u3058\u3081\u6e96\u5099\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u6b21\u306e\u3088\u3046\u306a\u30c6\u30fc\u30d6\u30eb\u3092\u3064\u304b\u3044\u307e\u3059\u3002<\/p>\n

\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u540d\uff1aselect_test_db
\n\u30c6\u30fc\u30d6\u30eb\u540d\uff1amonthly_sales<\/p>\n

+------+-------+-----------+\r\n| id   | sales | client_id |\r\n+------+-------+-----------+\r\n| A103 |   125 |         1 |\r\n| A102 |    50 |         2 |\r\n| A101 |    64 |         4 |\r\n| A104 |    37 |         6 |\r\n| A102 |   285 |         3 |\r\n| A106 |   300 |         6 |\r\n| A103 |    24 |         1 |\r\n| A101 |   350 |         2 |\r\n| B107 |    14 |         1 |\r\n+------+-------+-----------+<\/pre>\n
\u3068\u3042\u308b\u4f1a\u793e\u306e\u3042\u308b\u6708\u306e\u58f2\u4e0a\u30c7\u30fc\u30bf\u3001\u3068\u3044\u3046\u4f53\u3067\u3059\u306d\u3002\u4ee5\u524d\u3053\u3061\u3089\u306e\u8a18\u4e8b\u3067\u5b66\u7fd2\u3055\u308c\u305f\u65b9\u306f\u540c\u3058\u3082\u306e\u304c\u4f7f\u3044\u56de\u305b\u307e\u3059\u3002
\n            \n                
\n                
\n                    
\n                    \n                    <\/div>\n                    
\n                    
MySQL\u5165\u9580 JOIN\u306e\u4f7f\u3044\u65b9\u3092\u89e3\u8aac\uff01\u5185\u90e8 \u5916\u90e8 \u8907\u6570\u30c6\u30fc\u30d6\u30eb\u306e\u7d50\u5408\u307e\u3067<\/div>\n                    
\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            <\/p>\n
\u4ee5\u4e0b\u306eSQL\u6587\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u5fc5\u8981\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u4f5c\u308c\u307e\u3059\u3002<\/p>\n
CREATE DATABASE select_test_db;\r\nUSE select_test_db;\r\nCREATE TABLE monthly_sales(id VARCHAR(5),sales INT,client_id INT);\r\n\r\nINSERT INTO monthly_sales (id,sales,client_id) VALUES\r\n('A103','125','1'),\r\n('A102','50','2'),\r\n('A101','64','4'),\r\n('A104','37','6'),\r\n('A102','285','3'),\r\n('A106','300','6'),\r\n('A103','24','1'),\r\n('A101','350','2'),\r\n('B107','14','1');\r\n<\/pre>\n
SELECT\u306e\u57fa\u790e<\/h2>\n
\u307e\u305a\u306f\u4e00\u756a\u306e\u57fa\u790e\u3068\u306a\u308bSELECT\u306e\u69cb\u6587\u3067\u3059\u3002<\/p>\n
SELECT\u306e\u57fa\u672c\u69cb\u6587<\/h3>\n
\u66f8\u5f0f
\n
SELECT \u30ab\u30e9\u30e0\u540d FROM \u30c6\u30fc\u30d6\u30eb\u540d;<\/div><\/p>\n
\u5b9f\u969b\u306b\u30af\u30a8\u30ea\u3092\u66f8\u3044\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
SELECT id, client_id FROM monthly_sales;<\/pre>\n
\u3053\u306e\u3088\u3046\u306a\u30c6\u30fc\u30d6\u30eb\u304c\u5f97\u3089\u308c\u307e\u3057\u305f\u304b\uff1f<\/p>\n
+------+-----------+\r\n| id   | client_id |\r\n+------+-----------+\r\n| A103 |         1 |\r\n| A102 |         2 |\r\n| A101 |         4 |\r\n| A104 |         6 |\r\n| A102 |         3 |\r\n| A106 |         6 |\r\n| A103 |         1 |\r\n| A101 |         2 |\r\n| B107 |         1 |\r\n+------+-----------+<\/pre>\n
\u3053\u308c\u306f\u672c\u6765\u306e\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u793e\u54e1ID\u3068\u30af\u30e9\u30a4\u30a2\u30f3\u30c8ID\u3060\u3051\u3092\u629c\u304d\u51fa\u3057\u305f\u30c6\u30fc\u30d6\u30eb\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u306d\u3002\u3053\u306e\u3088\u3046\u306b\u6b32\u3057\u3044\u30c7\u30fc\u30bf\u3092\u6307\u5b9a\u3057\u3066\u3001\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u5fc5\u8981\u306a\u8981\u7d20\u3092\u62bd\u51fa\u3059\u308b\u306e\u304cSELECT\u306e\u57fa\u672c\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u306a\u304a\u3001\u6307\u5b9a\u306e\u90e8\u5206\u306b\u30a2\u30b9\u30bf\u30ea\u30b9\u30af\uff08*\uff09\u3092\u3064\u304b\u3046\u3053\u3068\u3067\u300c\u3059\u3079\u3066\u300d\u306e\u610f\u5473\u3092\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u6b21\u306e\u3088\u3046\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
SELECT * FROM monthly_sales;<\/pre>\n
\u3053\u308c\u306f\u3059\u3079\u3066\u306e\u30ab\u30e9\u30e0\u3092monthly_sales\u304b\u3089\u62bd\u51fa\u3057\u3066\u304f\u3060\u3055\u3044\u3001\u3068\u3044\u3046\u610f\u5473\u306b\u306a\u308a\u307e\u3059\u3002\u5b9f\u884c\u3059\u308b\u3068\u3001\u3053\u306e\u3088\u3046\u306b\u3082\u3068\u306emonthly_sales\u3068\u307e\u3063\u305f\u304f\u540c\u3058\u30c6\u30fc\u30d6\u30eb\u304c\u51fa\u529b\u3055\u308c\u3066\u3044\u307e\u3059\u306d\u3002<\/p>\n
+------+-------+-----------+\r\n| id   | sales | client_id |\r\n+------+-------+-----------+\r\n| A103 |   125 |         1 |\r\n| A102 |    50 |         2 |\r\n| A101 |    64 |         4 |\r\n| A104 |    37 |         6 |\r\n| A102 |   285 |         3 |\r\n| A106 |   300 |         6 |\r\n| A103 |    24 |         1 |\r\n| A101 |   350 |         2 |\r\n| B107 |    14 |         1 |\r\n+------+-------+-----------+\r\n9 rows in set (0.00 sec)\r\n<\/pre>\n
\u306a\u304a\u3001SELECT\u3067\u30ab\u30e9\u30e0\u3092\u6307\u5b9a\u3059\u308b\u9806\u756a\u306b\u30eb\u30fc\u30eb\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u306a\u306e\u3067\u3001\u6b21\u306e\u3088\u3046\u306b\u3059\u308c\u3070\u30ab\u30e9\u30e0\u3092\u5165\u308c\u66ff\u3048\u305f\u4e0a\u306b\u7279\u5b9a\u306e\u5217\u3092\u91cd\u8907\u3055\u305b\u305f\u8868\u793a\u3001\u3068\u3044\u3046\u3082\u306e\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
SELECT sales, client_id, id, sales FROM monthly_sales;<\/pre>\n
+-------+-----------+------+-------+\r\n| sales | client_id | id   | sales |\r\n+-------+-----------+------+-------+\r\n|   125 |         1 | A103 |   125 |\r\n|    50 |         2 | A102 |    50 |\r\n|    64 |         4 | A101 |    64 |\r\n|    37 |         6 | A104 |    37 |\r\n|   285 |         3 | A102 |   285 |\r\n|   300 |         6 | A106 |   300 |\r\n|    24 |         1 | A103 |    24 |\r\n|   350 |         2 | A101 |   350 |\r\n|    14 |         1 | B107 |    14 |\r\n+-------+-----------+------+-------+\r\n9 rows in set (0.00 sec)\r\n<\/pre>\n
\u3084\u3084\u3053\u3057\u304f\u306a\u308b\u306e\u3067\u3042\u307e\u308a\u51fa\u756a\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304c\u3001\u3053\u3046\u3044\u3063\u305f\u65b9\u6cd5\u3082\u3042\u308b\u3001\u3068\u3044\u3046\u306e\u306f\u899a\u3048\u3066\u304a\u3044\u3066\u3082\u3044\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n
\u30ab\u30e9\u30e0\u306e\u56db\u5247\u6f14\u7b97<\/h3>\n
SQL\u3067\u306f\u30ec\u30b3\u30fc\u30c9\u306b\u5bfe\u3057\u3066\u56db\u5247\u6f14\u7b97\u3092\u884c\u3046\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\u305f\u3068\u3048\u3070\u3053\u306e\u58f2\u4e0a\u30c7\u30fc\u30bf\u3001\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u6570\u5b57\u306e\u90e8\u5206\u306b\uff08\u4e07\u5186\uff09\u304c\u7701\u7565\u3055\u308c\u3066\u3044\u308b\u3068\u3057\u307e\u3057\u3087\u3046\u3002\u305d\u3046\u3059\u308b\u3068\u3001\u6b63\u78ba\u306a\u58f2\u4e0a\u3092\u7b97\u51fa\u3059\u308b\u306b\u306fsales\u30ab\u30e9\u30e0\u306e\u5024\u306b10000\u3092\u305d\u308c\u305e\u308c\u304b\u3051\u308c\u3070\u826f\u3044\u308f\u3051\u3067\u3059\u3002\u5177\u4f53\u7684\u306a\u30af\u30a8\u30ea\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
SELECT id, sales * 10000 FROM monthly_sales;<\/pre>\n
\u5b9f\u884c\u7d50\u679c\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
+------+---------------+\r\n| id   | sales * 10000 |\r\n+------+---------------+\r\n| A103 |       1250000 |\r\n| A102 |        500000 |\r\n| A101 |        640000 |\r\n| A104 |        370000 |\r\n| A102 |       2850000 |\r\n| A106 |       3000000 |\r\n| A103 |        240000 |\r\n| A101 |       3500000 |\r\n| B107 |        140000 |\r\n+------+---------------+\r\n9 rows in set (0.01 sec)\r\n<\/pre>\n
\u3082\u3061\u308d\u3093\u3001\u639b\u3051\u7b97\u4ee5\u5916\u306b\u3082\u8db3\u3057\u7b97\u30fb\u5f15\u304d\u7b97\u30fb\u5272\u308a\u7b97\u3068\u3044\u3063\u305f\u57fa\u672c\u7684\u306a\u56db\u5247\u6f14\u7b97\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u30ab\u30e9\u30e0\u540c\u58eb\u306e\u8a08\u7b97\u306b\u3082\u5bfe\u5fdc\u3057\u3066\u304a\u308a\u3001\u4f8b\u3048\u3070\u6b21\u306e\u3088\u3046\u306b\u58f2\u4e0a\u306e\u4e0b\u4e00\u6841\u306b\u9867\u5ba2ID\u3092\u63a5\u7d9a\u3059\u308b\u3001\u306a\u3093\u3066\u3053\u3068\u3082\u3067\u304d\u305f\u308a\u3057\u307e\u3059\u3002<\/p>\n
SELECT id, sales * 10000 + client_id FROM monthly_sales;<\/pre>\n
\u5b9f\u884c\u7d50\u679c\u306f\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n
+------+---------------------------+\r\n| id   | sales * 10000 + client_id |\r\n+------+---------------------------+\r\n| A103 |                   1250001 |\r\n| A102 |                    500002 |\r\n| A101 |                    640004 |\r\n| A104 |                    370006 |\r\n| A102 |                   2850003 |\r\n| A106 |                   3000006 |\r\n| A103 |                    240001 |\r\n| A101 |                   3500002 |\r\n| B107 |                    140001 |\r\n+------+---------------------------+\r\n9 rows in set (0.00 sec)\r\n<\/pre>\n
\u5b9f\u969b\u306f\u3082\u3063\u3068\u5065\u5168\u306a\u4f7f\u3044\u65b9\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u4f8b\u306e\u90fd\u5408\u3068\u3044\u3046\u3053\u3068\u3067\u3054\u52d8\u5f01\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u95a2\u6570\u306e\u5229\u7528<\/h3>\n
SELECT\u6587\u306f\u6587\u4e2d\u3067\u95a2\u6570\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u95a2\u6570\u3068\u306f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u7528\u8a9e\u3067\u5165\u529b\u306b\u5bfe\u3057\u3066\u7279\u5b9a\u306e\u51e6\u7406\u3092\u3057\u305f\u51fa\u529b\u3092\u8fd4\u3059\u3082\u306e<\/b>\u3001\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u3002<\/p>\n
\u95a2\u6570\u306e\u5165\u529b\u306b\u5f53\u305f\u308b\u3082\u306e\u3092\u5f15\u6570\uff08\u3072\u304d\u3059\u3046\uff09\u3001\u51fa\u529b\u3092\u8fd4\u308a\u5024\u30fb\u623b\u308a\u5024\u3068\u547c\u3073\u307e\u3059\u3002\u3053\u308c\u3060\u3051\u3060\u3068\u521d\u5fc3\u8005\u306e\u65b9\u306f\u3055\u3063\u3071\u308a\u3067\u3057\u3087\u3046\u3002<\/p>\n
\u8a00\u8449\u306e\u96e3\u3057\u3055\u306b\u5fc3\u3092\u6298\u3089\u308c\u306a\u3044\u3088\u3046\u3001\u3061\u3087\u3063\u3068\u8e0f\u3093\u5f35\u3063\u3066\u6b32\u3057\u3044\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002\u5b9f\u969b\u306b\u5177\u4f53\u4f8b\u3092\u307f\u305f\u307b\u3046\u304c\u308f\u304b\u308a\u3084\u3059\u3044\u306e\u3067\u3001\u30ec\u30b3\u30fc\u30c9\u304b\u3089\u5e73\u5747\u3092\u8a08\u7b97\u3059\u308bAVG\u95a2\u6570\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
SELECT AVG(sales) FROM monthly_sales;<\/pre>\n
\u7d50\u679c\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
+------------+\r\n| AVG(sales) |\r\n+------------+\r\n|   138.7778 |\r\n+------------+\r\n1 row in set (0.00 sec)\r\n<\/pre>\n
\u3053\u308c\u306f\u4f55\u3092\u3084\u3063\u3066\u3044\u308b\u306e\u304b\u3068\u3044\u3046\u3068\u3001salse\u30ab\u30e9\u30e0\u306e\u5404\u30c7\u30fc\u30bf\u304b\u3089\u5e73\u5747\u5024\u3092\u8a08\u7b97\u3057\u3066\u3001\u305d\u306e\u7d50\u679c\u3092\u8868\u793a\u3057\u3066\u3044\u308b\u3001\u3068\u3044\u3046\u51e6\u7406\u306b\u306a\u308a\u307e\u3059\u3002AVG\uff08\uff09\u304c\u95a2\u6570\u3001sales\u304c\u5f15\u6570\u3001138.7778\u304c\u623b\u308a\u5024\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u3046\u3084\u3063\u3066\u5b9f\u4f8b\u3092\u7e70\u308a\u8fd4\u3057\u4f7f\u3063\u3066\u3044\u3051\u3070\u8a00\u8449\u306e\u96e3\u3057\u3055\u3082\u305d\u306e\u3046\u3061\u53d7\u3051\u5165\u308c\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
2\u5e74\u30013\u5e74\u3068\u7d99\u7d9a\u3057\u3066\u3044\u304f\u3068\u3001\u305d\u306e\u3046\u3061\u4e0a\u3067\u66f8\u3044\u305f\u3088\u3046\u306a\u8868\u73fe\u3082\u5f53\u305f\u308a\u524d\u306b\u4f7f\u3044\u3053\u306a\u305b\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u306e\u3067\u3001\u307e\u305a\u306f\u7d99\u7d9a\u3057\u3066\u884c\u304f\u3053\u3068\u3092\u76ee\u6a19\u306b\u304c\u3093\u3070\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u3061\u306a\u307f\u306b\u95a2\u6570\u306f\u3053\u306e\u4ed6\u306b\u3082\u5408\u8a08\u5024\u3092\u6c42\u3081\u308bSUM()\u3001\u5186\u5468\u7387\u3092\u6c42\u3081\u308bPI()\u3001MySQL\u306e\u30b5\u30fc\u30d0\u30fc\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u8868\u793a\u3059\u308bVERSION()\u3001\u73fe\u5728\u4f7f\u3063\u3066\u3044\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u8868\u793a\u3059\u308bDATABASE()\u3001\u6587\u5b57\u5217\u3092\u7d50\u5408\u3059\u308bCONTACT\uff08\uff09\u306a\u3069\u306a\u3069\u3082\u306e\u3059\u3054\u3044\u91cf\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u95a2\u6570\u306e\u89e3\u8aac\u3060\u3051\u3067\u3061\u3087\u3063\u3068\u3057\u305f\u53c2\u8003\u66f8\u30ec\u30d9\u30eb\u306e\u60c5\u5831\u91cf\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u95a2\u6570\u306f\u5fc5\u8981\u306b\u306a\u3063\u305f\u3089\u8abf\u3079\u308b\u3001\u3068\u3044\u3046\u30b9\u30bf\u30f3\u30b9\u3067\u3064\u304d\u3042\u3063\u3066\u3044\u304f\u306e\u304c\u826f\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n
\u6761\u4ef6\u3092\u7d5e\u308b\uff1aWHERE\u30fbLIMIT\u53e5<\/h2>\n
\u3064\u3065\u3044\u3066SELECT\u306e\u91cd\u8981\u30dd\u30a4\u30f3\u30c8\u3067\u3042\u308bWHERE\u3068LIMIT\u53e5\u306b\u3064\u3044\u3066\u307f\u3066\u3044\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306b\u5171\u901a\u3059\u308b\u306e\u306f\u60c5\u5831\u91cf\u3092\u5236\u9650\u3059\u308b<\/b>\u3068\u3044\u3046\u3053\u3068\u3002<\/p>\n
\u4eca\u56de\u306e\u3088\u3046\u306b\u30ec\u30b3\u30fc\u30c9\u304c20\u3092\u8d85\u3048\u306a\u3051\u308c\u3070\u4eba\u306e\u76ee\u3067\u3082\u5341\u5206\u691c\u8a3c\u53ef\u80fd\u3067\u3059\u3057\u3001\u8868\u793a\u306b\u3082\u307e\u3063\u305f\u304f\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u305b\u3093\u3002\u3067\u3059\u304c\u3001\u5b9f\u969b\u306b\u904b\u7528\u3055\u308c\u3066\u3044\u308b\u30c6\u30fc\u30d6\u30eb\u306f\u30ec\u30b3\u30fc\u30c9\u304c\u6570\u4e07\u3001\u6570\u5341\u4e07\u3001\u4e0b\u624b\u3092\u3059\u308c\u3070\u6570\u5343\u4e07\u304b\u3089\u6570\u5104\u4ee5\u4e0a\u3068\u3044\u3063\u305f\u3082\u306e\u3082\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u3088\u3046\u306a\u30c6\u30fc\u30d6\u30eb\u3067\u5168\u4ef6\u8868\u793a\u3092\u884c\u3063\u3066\u3057\u307e\u3063\u3066\u306f\u3001\u3044\u3064\u307e\u3067\u305f\u3063\u3066\u3082\u8868\u793a\u304c\u7d42\u308f\u3089\u306a\u3044\u3070\u304b\u308a\u304b\u3001\u30ea\u30bd\u30fc\u30b9\u3092\u7121\u99c4\u306b\u6d88\u8cbb\u3057\u3066\u3044\u308b\u3068\u3059\u3089\u3044\u3048\u307e\u3059\u3002<\/p>\n
\u306a\u306e\u3067\u3001SELECT\u3068WHERE\u3001LIMIT\u3092\u4e0a\u624b\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u5fc5\u8981\u306a\u60c5\u5831\u306e\u307f\u3092\u5fc5\u8981\u306a\u91cf\u3060\u3051\u62bd\u51fa\u3059\u308b\u3059\u3079\u3092\u8eab\u306b\u7740\u3051\u306a\u3051\u308c\u3070\u3044\u3051\u306a\u3044\u3001\u3068\u3044\u3046\u308f\u3051\u306a\u306e\u3067\u3059\u3002<\/p>\n
\u8868\u793a\u6570\u3092\u5236\u9650\u3059\u308b\uff1aLIMIT<\/h3>\n
\u9806\u756a\u304c\u9006\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u307e\u305a\u306f\u6319\u52d5\u306e\u308f\u304b\u308a\u3084\u3059\u3044LIMIT\u304b\u3089\u5b66\u3073\u307e\u3057\u3087\u3046\u3002LIMIT\u306e\u66f8\u5f0f\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u66f8\u5f0f
\n
SELECT \u30ab\u30e9\u30e0\u540d FROM \u30c6\u30fc\u30d6\u30eb\u540d LIMIT \u8868\u793a\u3059\u308b\u30ec\u30b3\u30fc\u30c9\u6570;<\/div><\/p>\n
\u5b9f\u969b\u306b\u8a66\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
SELECT id, sales FROM monthly_sales LIMIT 3;<\/pre>\n
\u5b9f\u884c\u7d50\u679c\u306f\u3053\u306e\u3088\u3046\u306b\u306a\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n
+------+-------+\r\n| id   | sales |\r\n+------+-------+\r\n| A103 |   125 |\r\n| A102 |    50 |\r\n| A101 |    64 |\r\n+------+-------+\r\n3 rows in set (0.00 sec)\r\n<\/pre>\n
\u3053\u3061\u3089\u304c\u6307\u5b9a\u3057\u305f\u3068\u304a\u308a\u3001\u30ec\u30b3\u30fc\u30c9\u6570\u304c3\u3064<\/b>\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u306d\u3002\u73fe\u5b9f\u3067\u306f\u30ec\u30b3\u30fc\u30c9\u6570\u304c\u4e8b\u524d\u306b\u5927\u304d\u3044\u3053\u3068\u304c\u308f\u304b\u3063\u3066\u3044\u308b\u5834\u5408\u3084\u30b5\u30a4\u30ba\u304c\u3088\u304f\u308f\u304b\u3089\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u3046\u3044\u3063\u305f\u5834\u5408\u3001\u3044\u3064\u3082\u30af\u30a8\u30ea\u306bLIMIT 1000\u3092\u4ed8\u3051\u3066\u304a\u304f\u3053\u3068\u3092\u5fc3\u304c\u3051\u308b\u3068\u3001\u691c\u7d22\u304c\u3044\u3064\u307e\u3067\u305f\u3063\u3066\u3082\u7d42\u308f\u3089\u306a\u3044\uff01\uff01\u3068\u3044\u3046\u60b2\u5287\u3092\u672a\u7136\u306b\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5b9f\u8df5\u3067\u306f\u3088\u304f\u4f7f\u3046\u30c6\u30af\u30cb\u30c3\u30af\u306a\u306e\u3067\u3001\u305c\u3072\u899a\u3048\u3066\u304a\u3044\u3066\u4e0b\u3055\u3044\u3002<\/p>\n
\u6761\u4ef6\u3067\u7d5e\u308a\u8fbc\u3080\uff1aWHERE<\/h3>\n
\u3055\u3066\u3001\u672c\u984c\u306eWHERE\u53e5\u3067\u3059\u3002WHERE\u306f\u6bd4\u8f03\u6f14\u7b97\u5b50\u3092\u3064\u304b\u3063\u305f\u6761\u4ef6\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u6761\u4ef6\u306b\u5408\u81f4\u3057\u305f\u30ec\u30b3\u30fc\u30c9\u3092\u62bd\u51fa\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u53e5\u3067\u3059\u3002\u6f14\u7b97\u5b50\u3068\u306f\u8a08\u7b97\uff08\u6f14\u7b97\uff09\u306b\u4f7f\u3046\u8a18\u53f7\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n
+\u3001-\u3068\u3044\u3063\u305f\u7b97\u8853\u6f14\u7b97\u5b50\u3001and,or\u3068\u3044\u3063\u305f\u8ad6\u7406\u6f14\u7b97\u5b50\u306a\u3069\u3068\u3068\u3082\u306b\u3001\u4eca\u56de\u7d39\u4ecb\u3059\u308b\u6bd4\u8f03\u306e\u305f\u3081\u306e\u6bd4\u8f03\u6f14\u7b97\u5b50\u304c\u3042\u308a\u307e\u3059\u3002\u8a00\u8449\u306f\u96e3\u3057\u305d\u3046\u3067\u3059\u304c\u3001\u8981\u3059\u308b\u306b\u5c0f\u5b66\u6821\u3067\u3084\u3063\u305f\u7b49\u53f7\u30fb\u4e0d\u7b49\u53f7\u3068\u305d\u306e\u89aa\u621a\u3067\u3059\u3002\u4ee5\u4e0b\u306bMySQL\u3067\u5229\u7528\u3067\u304d\u308b\u6bd4\u8f03\u6f14\u7b97\u5b50\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n\n\t\n\n\t\n\t\n\t\n\t\n\t
No<\/th>\u30d7\u30ed\u30d1\u30c6\u30a3\u540d<\/th>\u610f\u5473<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>Name<\/td>\u540d\u524d\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u6587\u5b57\u5217\u3092\u6307\u5b9a<\/td>\n<\/tr>\n
2<\/td>RefersTo<\/td>A1\u3001B3\u306a\u3069\u306e\u30bb\u30eb\u306e\u30a2\u30c9\u30ec\u30b9\u3067\u540d\u524d\u306e\u53c2\u7167\u5148\u3092\u6307\u5b9a<\/td>\n<\/tr>\n
3<\/td>RefersToR1C1<\/td>R1C1 \u5f62\u5f0f\u306e\u8868\u8a18\u6cd5\u3092\u4f7f\u7528\u3057\u3066\u3001\u540d\u524d\u306e\u53c2\u7167\u5148\u3092\u6307\u5b9a<\/td>\n<\/tr>\n
4<\/td>Visible<\/td>\u540d\u524d\u3092\u8868\u793a\/\u975e\u8868\u793a\u3092True\/False\u3067\u6307\u5b9a\u3002\u898f\u5b9a\u5024\u306fTrue<\/td>\n<\/tr>\n
5<\/td>MacroType<\/td>\u30de\u30af\u30ed\u306e\u7a2e\u985e\u3092\u4ee5\u4e0b\u304b\u3089\u6307\u5b9a\u3002
\n1\uff1aFunction\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3
\n2\uff1aSub\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3
\n3\uff1a\u306a\u3057(\u5b9a\u7fa9\u3057\u305f\u540d\u524d\u304cFunction\u3001Sub\u3092\u53c2\u7167\u3057\u306a\u3044)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n
\u8868\u306e\u4e0a\u306e\u65b9\u306f\u307e\u3055\u306b\u5c0f\u5b66\u6821\u4ee5\u6765\u304a\u306a\u3058\u307f\u306e\u7b49\u53f7\u30fb\u4e0d\u7b49\u53f7\u3067\u3059\u306d\u3002\u6614\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306f\u2267\u3068\u2266\u304c\u6271\u3048\u306a\u304b\u3063\u305f\u305f\u3081\u3001<>\u3068=\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u8868\u73fe\u3059\u308b\u7fd2\u6163\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u5177\u4f53\u4f8b\u3067\u52d5\u4f5c\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u3053\u3053\u3067\u306f\u58f2\u4e0a\u306e125\u3092\u57fa\u6e96\u306b\u3044\u308d\u3044\u308d\u306a\u64cd\u4f5c\u3092\u8a66\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u307e\u305a\u306f=\u3002<\/p>\n
SELECT id, sales FROM monthly_sales WHERE sales = 125;<\/pre>\n
+------+-------+\r\n| id   | sales |\r\n+------+-------+\r\n| A103 |   125 |\r\n+------+-------+\r\n1 row in set (0.00 sec)\r\n<\/pre>\n
\u3064\u3065\u3044\u3066\u4e0d\u7b49\u53f7\u304b\u3089 >=\u3002<\/p>\n
SELECT id, sales FROM monthly_sales WHERE sales >= 125;<\/pre>\n
+------+-------+\r\n| id   | sales |\r\n+------+-------+\r\n| A103 |   125 |\r\n| A102 |   285 |\r\n| A106 |   300 |\r\n| A101 |   350 |\r\n+------+-------+\r\n4 rows in set (0.00 sec)\r\n<\/pre>\n
\u7b97\u6570\u3067\u306f\u51fa\u3066\u3053\u306a\u3044<>\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
SELECT id, sales FROM monthly_sales WHERE sales <> 125;<\/pre>\n
+------+-------+\r\n| id   | sales |\r\n+------+-------+\r\n| A102 |    50 |\r\n| A101 |    64 |\r\n| A104 |    37 |\r\n| A102 |   285 |\r\n| A106 |   300 |\r\n| A103 |    24 |\r\n| A101 |   350 |\r\n| B107 |    14 |\r\n+------+-------+<\/pre>\n
\u3053\u3053\u307e\u3067\u306f\u5272\u3068\u76f4\u89b3\u7684\u306b\u7406\u89e3\u3067\u304d\u308b\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002\u3053\u3053\u304b\u3089\u306f\u6587\u5b57\u3092\u4f7f\u3063\u305f\u6307\u5b9a\u65b9\u6cd5\u3067\u3059\u3002IN\u306fB\u306e\u90e8\u5206\u306b\u30ea\u30b9\u30c8\u3092\u6301\u3061\u3001\u305d\u306e\u4e2d\u306b\u8a72\u5f53\u3059\u308b\u3082\u306e\u3092\u62bd\u51fa\u3057\u307e\u3059\u3002<\/p>\n
=\u304c1\u3064\u306e\u5024\u3057\u304b\u6307\u5b9a\u3067\u304d\u306a\u3044\u306e\u306b\u5bfe\u3057\u3066\u3001\u8907\u6570\u306e\u5024\u306b\u62e1\u5f35\u3057\u305f\u3082\u306e\u304cIN\u3068\u3044\u3046\u3053\u3068\u3082\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002\u5177\u4f53\u4f8b\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
SELECT id, sales FROM monthly_sales WHERE sales IN (125,285,300);<\/pre>\n
+------+-------+\r\n| id   | sales |\r\n+------+-------+\r\n| A103 |   125 |\r\n| A102 |   285 |\r\n| A106 |   300 |\r\n+------+-------+\r\n3 rows in set (0.00 sec)\r\n<\/pre>\n
NOT\u306f\u5426\u5b9a\u306e\u610f\u5473\u3092\u6301\u3061\u307e\u3059\u3002NOT\u306b\u7d9a\u304f\u90e8\u5206\u3092\u3072\u3063\u304f\u308a\u8fd4\u3059\u611f\u3058\u3067\u3059\u306d\u3002\u4e0a\u306e\u4f8b\u306bNOT\u3092\u9069\u7528\u3059\u308b\u3068\u3001\uff08125\uff0c285\uff0c300\uff09\u300c\u4ee5\u5916<\u300d\u3068\u3044\u3046\u610f\u5473\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
SELECT id, sales FROM monthly_sales WHERE sales NOT IN (125,285,300);<\/pre>\n
+------+-------+\r\n| id   | sales |\r\n+------+-------+\r\n| A102 |    50 |\r\n| A101 |    64 |\r\n| A104 |    37 |\r\n| A103 |    24 |\r\n| A101 |   350 |\r\n| B107 |    14 |\r\n+------+-------+\r\n6 rows in set (0.00 sec)\r\n<\/pre>\n
BETWEEN B AND C\u306fB\u3068C\u306e\u9593\u3001\u3068\u3044\u3046\u610f\u5473\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
B,C\u306b\u305d\u308c\u305e\u308c\u5024\u3092\u6307\u5b9a\u3057\u3066\u3042\u3052\u308c\u3070\u7bc4\u56f2\u3092\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
SELECT id, sales FROM monthly_sales WHERE sales BETWEEN 50 AND 125;<\/pre>\n
\u4eca\u56de\u306e\u4f8b\u3067\u306f50\u4ee5\u4e0a125\u4ee5\u4e0b\u306e\u30ec\u30b3\u30fc\u30c9\u304c\u62bd\u51fa\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n
+------+-------+\r\n| id   | sales |\r\n+------+-------+\r\n| A103 |   125 |\r\n| A102 |    50 |\r\n| A101 |    64 |\r\n+------+-------+\r\n3 rows in set (0.00 sec)\r\n<\/pre>\n
\u6700\u5f8c\u306bBETWEEN\u306bNOT\u3092\u3064\u3051\u308b\u3053\u3068\u3067\u7bc4\u56f2\u3092\u9006\u8ee2\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
SELECT id, sales FROM monthly_sales WHERE sales NOT BETWEEN 50 AND 125;<\/pre>\n
\u4eca\u56de\u306e\u4f8b\u3067\u306f50\u672a\u6e80\u3068125\u3088\u308a\u5927\u304d\u3044\u30ec\u30b3\u30fc\u30c9\u304c\u62bd\u51fa\u3055\u308c\u305f\u306e\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u306d\u3002<\/p>\n
+------+-------+\r\n| id   | sales |\r\n+------+-------+\r\n| A104 |    37 |\r\n| A102 |   285 |\r\n| A106 |   300 |\r\n| A103 |    24 |\r\n| A101 |   350 |\r\n| B107 |    14 |\r\n+------+-------+\r\n6 rows in set (0.01 sec)\r\n<\/pre>\n
\u4ee5\u4e0a\u3001\u6bd4\u8f03\u6f14\u7b97\u5b50\u3092\u4f7f\u3063\u305fWHERE\u306e\u7d5e\u308a\u8fbc\u307f\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002<\/p>\n
\u7d5e\u308a\u8fbc\u3080\u6761\u4ef6\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\uff1a\u8ad6\u7406\u5f0f<\/h2>\n
\u6700\u5f8c\u306b\u3044\u307e\u307e\u3067\u5b66\u3093\u3067\u304d\u305f\u3053\u3068\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3001\u3088\u308a\u8907\u96d1\u306a\u7d5e\u308a\u8fbc\u307f\u3092\u884c\u3046\u624b\u6bb5\u3092\u8eab\u306b\u7740\u3051\u307e\u3057\u3087\u3046\u3002\u6761\u4ef6\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u306b\u306f\u5148\u307b\u3069\u3082\u5c11\u3057\u767b\u5834\u3057\u305f\u8ad6\u7406\u6f14\u7b97\u5b50\u304c\u6d3b\u8e8d\u3057\u307e\u3059\u3002\u8ad6\u7406\u6f14\u7b97\u5b50\u3068\u306fMySQL\u306b\u304a\u3044\u3066\u306f\u6761\u4ef6\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u305f\u3081\u306e\u6f14\u7b97\u5b50\u3067\u3059\u3002<\/p>\n
\u305f\u3068\u3048\u3070\u58f2\u4e0a\u304c50\u4ee5\u4e0a\u3001\u305f\u3060\u3057ID\u304cA101\u306f\u9664\u304f\u3001\u3068\u3044\u3046\u3088\u3046\u306a\u6761\u4ef6\u3067\u62bd\u51fa\u3057\u305f\u3044\u6642\u3001\u4eca\u307e\u3067\u306e\u77e5\u8b58\u3060\u3051\u3067\u306f\u3044\u307e\u3072\u3068\u3064\u4e0a\u624b\u304f\u3067\u304d\u307e\u305b\u3093\u3002\u6761\u4ef6\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u65b9\u6cd5\u304c\u7121\u3044\u304b\u3089\u3067\u3059\u306d\u3002\u305d\u308c\u3092\u89e3\u6c7a\u3059\u308b\u306e\u304c\u8ad6\u7406\u6f14\u7b97\u5b50\u306a\u306e\u3067\u3059\u3002<\/p>\n
MySQL\u3067\u4f7f\u3048\u308b\u8ad6\u7406\u6f14\u7b97\u5b50\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n\n\t\n\n\t\n\t\n\t
No<\/th>\u5165\u529b\u30bf\u30a4\u30d7<\/th>\u5165\u529b\u4f8b<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\u5024 + px<\/td>10px \u3001 20px<\/td>\n<\/tr>\n
2<\/td>&(\u30d1\u30fc\u30bb\u30f3\u30c8) or \u5024 + em<\/td>30%\u30010.3em<\/td>\n<\/tr>\n
3<\/td>\u5024\u306e\u307f<\/td>1.5\u30012<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n
\u305d\u308c\u305e\u308c\u8ad6\u7406\u7a4d\uff08\u30a2\u30f3\u30c9\uff09\u3001\u8ad6\u7406\u548c\uff08\u30aa\u30a2\uff09\u3001\u6392\u4ed6\u7684\u8ad6\u7406\u548c\uff08\u30a8\u30c3\u30af\u30b9\u30aa\u30a2\uff09\u3001\u5426\u5b9a\uff08\u30ce\u30c3\u30c8\uff09\u3068\u3044\u3046\u540d\u524d\u304c\u3064\u3044\u3066\u3044\u307e\u3059\u3002MySQL\u4ee5\u5916\u306e\u4ed6\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u3082\u6bce\u5ea6\u3067\u3066\u304f\u308b\u306e\u3067\u3001\u4eca\u899a\u3048\u3066\u3057\u307e\u3046\u3068\u5f8c\u3005\u5f79\u306b\u7acb\u3064\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n
\u3067\u306f\u3001\u305d\u308c\u305e\u308c\u306e\u50cd\u304d\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u6761\u4ef6\u300c\u304b\u3064\u300d\uff1aAND<\/h3>\n
AND\u306f\u524d\u5f8c\u306b\u3042\u308b\u6761\u4ef6\u3092\u65e5\u672c\u8a9e\u306e\u300c\u304b\u3064\u300d\u3067\u7d50\u3073\u3064\u3051\u307e\u3059\u3002\u4f8b\u3048\u3070\u6b21\u306e\u30af\u30a8\u30ea\u3002<\/p>\n
SELECT id, sales FROM monthly_sales WHERE sales >=10 AND sales <50;<\/pre>\n
+------+-------+\r\n| id   | sales |\r\n+------+-------+\r\n| A104 |    37 |\r\n| A103 |    24 |\r\n| B107 |    14 |\r\n+------+-------+\r\n3 rows in set (0.01 sec)\r\n<\/pre>\n
\u3053\u308c\u306f\u58f2\u4e0a\u304c10\u4ee5\u4e0a\u304b\u3064\u300150\u672a\u6e80\u3092\u6307\u5b9a\u3057\u3066\u62bd\u51fa\u3057\u305f\u3082\u306e\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u3050\u3089\u3044\u306a\u3089BETWEEN\u3092\u4f7f\u3063\u3066\u3082\u5b9f\u73fe\u3067\u304d\u307e\u3059\u304c\u3001\u4f8b\u3048\u3070\u30ab\u30e9\u30e0\u3092\u307e\u305f\u3044\u3060\u6761\u4ef6\u6307\u5b9a\u3084\u6761\u4ef6\u3092\u8907\u6570\u3064\u306a\u3052\u305f\u3044\u5834\u5408\u306f\u8ad6\u7406\u6f14\u7b97\u5b50\u304c\u5fc5\u9808\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u6b21\u306eOR\u3067\u5b9f\u4f8b\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u6761\u4ef6\u300c\u307e\u305f\u306f\u300d\uff1aOR<\/h3>\n
OR\u306f\u524d\u5f8c\u306b\u3042\u308b\u6761\u4ef6\u3092\u65e5\u672c\u8a9e\u306e\u300c\u307e\u305f\u306f\u300d\u3067\u7d50\u3073\u3064\u3051\u307e\u3059\u3002\u4f8b\u3092\u307f\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
SELECT * FROM monthly_sales WHERE sales >=50 OR client_id <4;<\/pre>\n
\u5b9f\u884c\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
+------+-------+-----------+\r\n| id   | sales | client_id |\r\n+------+-------+-----------+\r\n| A103 |   125 |         1 |\r\n| A102 |    50 |         2 |\r\n| A101 |    64 |         4 |\r\n| A102 |   285 |         3 |\r\n| A106 |   300 |         6 |\r\n| A103 |    24 |         1 |\r\n| A101 |   350 |         2 |\r\n| B107 |    14 |         1 |\r\n+------+-------+-----------+\r\n8 rows in set (0.00 sec)\r\n<\/pre>\n
\u4e00\u898b\u5168\u90e8\u306e\u30ec\u30b3\u30fc\u30c9\u304c\u62fe\u308f\u308c\u305f\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u6761\u4ef6\u304c\u58f2\u4e0a50\u4ee5\u4e0a\u300c\u307e\u305f\u306f\u300d\u53d6\u5f15\u5148ID\u304c4\u672a\u6e80\u3001\u3068\u3044\u3046\u3082\u306e\u3060\u3063\u305f\u304b\u3089\u3067\u3059\u3002\u6761\u4ef6\u306b\u5408\u81f4\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u304b\u3081\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u5168\u4f53\u306e\u30c6\u30fc\u30d6\u30eb\u3068\u304f\u3089\u3079\u308b\u3068\u58f2\u4e0a37\uff0c\u53d6\u5f15\u51486\u306eA104\u306e\u30c7\u30fc\u30bf\u3060\u3051\u304c\u5f3e\u304b\u308c\u3066\u3044\u308b\u306e\u304c\u308f\u304b\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n
\u305d\u306e\u4ed6\u306e\u6f14\u7b97\u5b50\uff1aNOT,XOR<\/h3>\n
\u3055\u3066\u3001\u5148\u307b\u3069MySQL\u306b\u306f4\u3064\u306e\u8ad6\u7406\u6f14\u7b97\u5b50\u304c\u3042\u308b\u3001\u3068\u3044\u3044\u307e\u3057\u305f\u3002\u305d\u3057\u3066\u3053\u3053\u307e\u3067\u3067AND,OR\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002\u6b8b\u308b\u306f2\u3064\u306a\u306e\u3067\u3059\u304c\u3001\u3058\u3064\u306f\u65e2\u306bNOT\u306b\u3064\u3044\u3066\u306f\u7d39\u4ecb\u6e08\u307f\u3067\u3059\u3002<\/p>\n
\u6bd4\u8f03\u6f14\u7b97\u5b50\u306eNOT IN, NOT BETWEEN\u3067\u767b\u5834\u3057\u305f\u3042\u306eNOT\u3067\u3059\u3002NOT\u306e\u610f\u5473\u306f\u300c\u5426\u5b9a\u300d\u3002\u5f8c\u308d\u306b\u6765\u308b\u8ad6\u7406\u6f14\u7b97\u5b50\u306e\u5185\u5bb9\u3092\u9006\u8ee2\u3055\u305b\u307e\u3059\u3002<\/p>\n
\u4f8b\u3048\u3070NOT\uff08sales >50 AND sales < 250\uff09\u3067\u3042\u308c\u3070\u300csales\u304c50\u3088\u308a\u5927\u304d\u304f\u3001\u304b\u3064\u3001250\u672a\u6e80\u300d\u4ee5\u5916\u306e\u30c7\u30fc\u30bf\u3002\u3064\u307e\u308a\u3001sales\u304c50\u4ee5\u4e0b\u304b250\u4ee5\u4e0a\u306e\u30c7\u30fc\u30bf\u304c\u62bd\u51fa\u3055\u308c\u307e\u3059\u3002<\/p>\n
\u8a00\u8449\u306b\u3059\u308b\u3068\u3084\u3084\u3053\u3057\u3044\u611f\u3058\u3067\u3059\u304c\u3001\u7e70\u308a\u8fd4\u3057\u4f7f\u3063\u3066\u3044\u3051\u3070\u3060\u3093\u3060\u3093\u3068\u4f53\u306b\u99b4\u67d3\u3093\u3067\u304f\u308b\u3088\u3046\u306a\u3082\u306e\u306a\u306e\u3067\u3001\u8ad6\u7406\u6f14\u7b97\u306f\u597d\u304d\u5acc\u3044\u305b\u305a\u306b\u8272\u3005\u8a66\u3057\u3066\u307f\u308b\u3068\u4e0a\u9054\u304c\u65e9\u307e\u308a\u307e\u3059\u3002<\/p>\n
\u4e00\u65b9\u306eXOR\u306f\u6392\u4ed6\u7684\u8ad6\u7406\u548c\u3068\u3044\u3044\u3001\u306a\u304b\u306a\u304b\u7279\u6b8a\u306a\u52d5\u304d\u3092\u3059\u308b\u8ad6\u7406\u6f14\u7b97\u5b50\u3067\u3059\u3002\u62bd\u51fa\u6761\u4ef6\u306e\u8a2d\u5b9a\u3088\u308a\u306f\u8ad6\u7406\u6f14\u7b97\u3067\u51fa\u756a\u306e\u3042\u308b\u6f14\u7b97\u5b50\u3067\u3059\u3002\u521d\u5fc3\u8005\u306e\u3046\u3061\u306f\u3053\u3093\u306a\u3082\u306e\u3082\u3042\u308b\u3093\u3060\u3001\u7a0b\u5ea6\u306e\u8a8d\u8b58\u3067\u5341\u5206\u3067\u3057\u3087\u3046\u3002<\/p>\n
\u6761\u4ef6\u5f0f\u3092\u7d44\u307f\u5408\u308f\u305b\u308b<\/h3>\n
\u305d\u308c\u3067\u306f\u6700\u5f8c\u306b\u3044\u307e\u307e\u3067\u5b66\u3093\u3067\u304d\u305f\u3053\u3068\u3092\u305c\u3093\u3076\u307e\u3068\u3081\u3066\u3001\u8907\u96d1\u306a\u6761\u4ef6\u5f0f\u3092\u3064\u304f\u308b\u7df4\u7fd2\u3092\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u4f8b\u3068\u3057\u3066\u4f7f\u3046\u306e\u306f\u5148\u307b\u3069\u89e6\u308c\u305f\u300c\u58f2\u4e0a\u304c50\u4ee5\u4e0a\u3001\u305f\u3060\u3057ID\u304cA101\u306f\u9664\u304f\u300d\u306b\u304f\u308f\u3048\u3066\u300c\u3082\u3057\u304f\u306f\u53d6\u5f15\u5148ID2\uff0c4\uff0c6\u4ee5\u5916\u300d\u3068\u3044\u3046\u6761\u4ef6\u3082\u30d7\u30e9\u30b9\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u305d\u308c\u305e\u308c\u306e\u6761\u4ef6\u306f\u30af\u30a8\u30ea\u306b\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u58f2\u4e0a50\u4ee5\u4e0a\uff1asales >= 50
\nID\u304cA101\u3092\u9664\u304f\uff1aid <> ‘A101’
\n\u53d6\u5f15\u5148ID2\uff0c4\uff0c6\u4ee5\u5916\uff1aclient_id NOT IN (2,4,6)<\/div><\/p>\n
\u306a\u304a\u3001\u3044\u307e\u307e\u3067\u305a\u3063\u3068\u6570\u5b57\u306e\u307f\u3092\u6271\u3063\u3066\u3044\u305f\u305f\u3081\u7d39\u4ecb\u304c\u9045\u308c\u307e\u3057\u305f\u304c\u3001\u30ab\u30e9\u30e0\u3084\u6761\u4ef6\u5f0f\u306b\u6587\u5b57\u5217\u3092\u4f7f\u3046\u5834\u5408\u30b7\u30f3\u30b0\u30eb\u30af\u30a9\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\uff08\u2019\uff09\u3082\u3057\u304f\u306f\u30c0\u30d6\u30eb\u30af\u30a9\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\uff08\u201d\uff09\u3067\u56f2\u307f\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6761\u4ef6\u3092\u8ad6\u7406\u6f14\u7b97\u5b50\u3067\u7d50\u3076\u3068\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
sales >= 50 AND id <> 'A101' OR client_id NOT IN (2,4,6)<\/pre>\n
\u3067\u306f\u3053\u308c\u3092\u30af\u30a8\u30ea\u306b\u3057\u3066\u5b9f\u884c\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
SELECT * FROM monthly_sales WHERE sales >= 50 AND id <> 'A101' OR client_id NOT IN (2,4,6);<\/pre>\n
\u5b9f\u884c\u7d50\u679c\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
+------+-------+-----------+\r\n| id   | sales | client_id |\r\n+------+-------+-----------+\r\n| A103 |   125 |         1 |\r\n| A102 |    50 |         2 |\r\n| A102 |   285 |         3 |\r\n| A106 |   300 |         6 |\r\n| A103 |    24 |         1 |\r\n| B107 |    14 |         1 |\r\n+------+-------+-----------+\r\n6 rows in set (0.01 sec)\r\n<\/pre>\n
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