{"id":736,"date":"2009-03-30T07:35:21","date_gmt":"2009-03-29T22:35:21","guid":{"rendered":"http:\/\/gigasmegas.com\/?p=736"},"modified":"2009-03-31T12:38:40","modified_gmt":"2009-03-31T03:38:40","slug":"%e7%ac%ac3%e5%9b%9e-sql-server-select%e6%96%87%e3%81%a7%e6%9d%a1%e4%bb%b6%e5%88%86%e5%b2%90case%e6%96%87-%e4%bd%bf%e7%94%a8%e4%be%8b%e7%b7%a8","status":"publish","type":"post","link":"http:\/\/gigasmegas.com\/?p=736","title":{"rendered":"\u7b2c3\u56de SQL Server Select\u6587\u3067\u6761\u4ef6\u5206\u5c90case\u6587-\u4f7f\u7528\u4f8b\u7de8"},"content":{"rendered":"<p><a onclick=\"javascript:pageTracker._trackPageview('\/outgoing\/rokuz.com\/?p=736');\"  href=\"http:\/\/rokuz.com\/?p=736\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/rokuz.com\/wp-content\/uploads\/2009\/03\/snag-0074-400x266.png\" alt=\"\u7b2c3\u56de SQL Server Select\u6587\u3067\u6761\u4ef6\u5206\u5c90case\u6587\" title=\"\u7b2c3\u56de SQL Server Select\u6587\u3067\u6761\u4ef6\u5206\u5c90case\u6587\" width=\"400\" height=\"266\" class=\"alignnone size-medium wp-image-738\" srcset=\"http:\/\/gigasmegas.com\/wp-content\/uploads\/2009\/03\/snag-0074-400x266.png 400w, http:\/\/gigasmegas.com\/wp-content\/uploads\/2009\/03\/snag-0074.png 492w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<address>photo by <a onclick=\"javascript:pageTracker._trackPageview('\/outgoing\/www.flickr.com\/photos\/ins_bexiga\/');\"  href=\"http:\/\/www.flickr.com\/photos\/ins_bexiga\/\">inesbexiga<\/a><\/address>\n<p>\u524d\u56de\u3001<a onclick=\"javascript:pageTracker._trackPageview('\/outgoing\/rokuz.com\/?p=659');\"  href=\"http:\/\/rokuz.com\/?p=659\">\u7b2c2\u56de SQL Server Select\u6587\u3067 \u6761\u4ef6\u5206\u5c90 case\u6587\u306e\u4f7f\u7528<\/a>\u3067\u306f\u3001case\u6587\u306e\u7a2e\u985e\u3092\u30a8\u30f3\u30c8\u30ea\u30fc\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>case\u6587\u306b\u306f\u30012\u7a2e\u985e\u3001\u5358\u7d14case\u5f0f\u3068\u691c\u7d22case\u5f0f\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u4eca\u56de\u306f\u3001\u5b9f\u969b\u306bcase\u6587\u306e\u4f7f\u7528\u4f8b\u3092\u3042\u3052\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p><!--more--><\/p>\n<h4>SELECT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u5358\u7d14 CASE \u5f0f\u3068\u5171\u306b\u4f7f\u7528\u3059\u308b<\/h4>\n<p>\u4e0b\u8a18\u306e\u4f8b\u3067\u306f\u3001\u30b9\u30ca\u30c3\u30af\u30c6\u30fc\u30d6\u30eb\u306esnack_kind_id\u304b\u3089\u30b9\u30ca\u30c3\u30af\u7a2e\u985e\u3092\u7279\u5b9a\u3057\u3066\u3001snack_category\u306b\u4ee3\u5165\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>SELECT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u5358\u7d14 CASE \u5f0f\u3068\u5171\u306b\u4f7f\u7528\u3057\u305f\u5834\u5408\u3001<\/p>\n<ul>\n<li>\u6bd4\u8f03\u5143\u306f\u4e00\u3064\u3060\u3051\u3002<\/li>\n<li>\u6bd4\u8f03\u5bfe\u8c61\u306f\u8907\u6570\u6bd4\u8f03\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<pre class=\"brush: sql; title: ; notranslate\" title=\"\">\r\nSELECT   snack_id, snack_category=\r\n      CASE snack_kind_id\r\n         WHEN 'a' THEN '\u3042\u3081\u3061\u3083\u3093'\r\n         WHEN 'c' THEN '\u30c1\u30e7\u30b3\u30ec\u30fc\u30c8'\r\n         WHEN 'e' THEN '\u3048\u3073\u305b\u3093'\r\n         WHEN 'o' THEN '\u304a\u304b\u304d'\r\n         ELSE '\u304a\u5e97\u306b\u306f\u7f6e\u3044\u3066\u3044\u307e\u305b\u3093'\r\n      END,\r\n   snack_name\r\nFROM snack\r\nORDER BY snack_order;\r\n<\/pre>\n<h4>SELECT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u691c\u7d22 CASE \u5f0f\u3068\u5171\u306b\u4f7f\u7528\u3059\u308b<\/h4>\n<p>\u4e0b\u8a18\u306e\u4f8b\u3067\u306f\u3001\u30b9\u30ca\u30c3\u30af\u30c6\u30fc\u30d6\u30eb(snack)\u306esnack_price \u304b\u3089\u304a\u83d3\u5b50\u306e\u5024\u6bb5\u3092\u53c2\u7167\u3057\u3066\u3001price_range\u306b\u304a\u83d3\u5b50\u306e\u4fa1\u683c\u5e2f\u3092\u4ee3\u5165\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u8907\u6570\u306e\u6bd4\u8f03\u5143\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/li>\n<li>\u7d50\u679c\u30bb\u30c3\u30c8\u5185\u3067\u5024\u3092\u7f6e\u63db\u3067\u304d\u307e\u3059<\/li>\n<li>\u6ce8\u610f\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u306a\u3044\u306e\u306f\u3001WHEN\u53e5\u3067\u6bd4\u8f03\u306b\u6210\u529f\u3057\u305f\u5834\u5408\u3001\u305d\u306e\u4e0b\u3078\u51e6\u7406\u306f\u6d41\u308c\u305a\u3001CASE\u6587\u3092\u629c\u3051\u307e\u3059\u3002\u3088\u3063\u3066\u3001\u7d50\u679c\u306e\u4e0a\u66f8\u304d\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<p>SELECT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u5185\u3067\u306f\u3001\u691c\u7d22 CASE \u5f0f\u306f\u6bd4\u8f03\u5024\u306b\u57fa\u3065\u3044\u3066\u7d50\u679c\u30bb\u30c3\u30c8\u5185\u3067\u5024\u3092\u7f6e\u63db\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306e\u4f8b\u3067\u306f\u3001\u8868\u793a\u4fa1\u683c\u3092\u3001\u88fd\u54c1\u306e\u4fa1\u683c\u7bc4\u56f2\u306b\u57fa\u3065\u3044\u305f\u30c6\u30ad\u30b9\u30c8 \u30b3\u30e1\u30f3\u30c8\u3068\u3057\u3066\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"brush: sql; title: ; notranslate\" title=\"\">\r\nSELECT   snack_id, snack_name, price_range = \r\n      CASE \r\n         WHEN snack_price &lt; 0 THEN '\u5024\u6bb5\u304c\u3064\u3044\u3066\u3044\u306a\u3044\u5546\u54c1'\r\n         WHEN snack_price &lt; 100 THEN '100\u5186\u672a\u6e80\u306e\u5546\u54c1'\r\n         WHEN snack_price &gt;= 100 and snack_price &lt; 300 THEN '50\u5186\u4ee5\u4e0a\u3001300\u5186\u672a\u6e80'\r\n         WHEN snack_price &gt;= 300 and snack_price &lt; 1000 THEN '300\u5186\uff5e1000\u5186\u672a\u6e80'\r\n         ELSE '1000\u5186\u4ee5\u4e0a'\r\n      END\r\nFROM snack\r\nORDER BY snack_order;\r\n&amp;#91;\/code&amp;#93;\r\n\r\n&lt;h4&gt;Microsoft Access \u3067\u4f7f\u7528\u3055\u308c\u308b IIf \u95a2\u6570\u3092 CASE \u3067\u7f6e\u304d\u63db\u3048\u308b&lt;\/h4&gt;\r\n\r\n\u4e0b\u8a18\u306eAccess\u3067\u4f7f\u7528\u3055\u308c\u308bIIF\u95a2\u6570\u3067\u306f\u3001\u201d\u751f\u5f92_access\u201d\u306b\u5024\u304c\u5165\u3063\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001\u201d\u5f92\u6b69\u901a\u5b66\u201d\u3068\u3057\u305d\u308c\u4ee5\u5916\u306e\u5024\u304c\u5165\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u201d\u751f\u5f92_access\u201d\u306e\u5024\u3067\u3042\u308b\u901a\u5b66\u65b9\u6cd5\u3092\u201daccess\u201d\u306b\u4ee3\u5165\u3057\u3066\u3044\u307e\u3059\u3002\r\n\r\n\r\nSELECT \u751f\u5f92_id, \u751f\u5f92_name, \r\n     IIf(IsNull(\u751f\u5f92_access), '\u5f92\u6b69\u901a\u5b66', \u751f\u5f92_access) AS [access]\r\nFROM \u751f\u5f92; \r\n<\/pre>\n<p>\u3053\u308c\u3092\u3001case\u6587\u3092\u4f7f\u7528\u3057\u3066\u3001\u66f8\u304d\u63db\u3048\u308b\u3068<\/p>\n<pre class=\"brush: sql; title: ; notranslate\" title=\"\">\r\nSELECT \u751f\u5f92_id, \u751f\u5f92_name, access \uff1d\r\n     CASE\r\n         WHEN \u751f\u5f92_access IS NULL THEN '\u5f92\u6b69\u901a\u5b66'\r\n         ELSE \u751f\u5f92_access\r\n     END\r\nFROM \u751f\u5f92;\r\n<\/pre>\n<h4>ORDER BY \u53e5\u3067 CASE \u3092\u4f7f\u7528\u3059\u308b<\/h4>\n<p>ORDER BY\u53e5\u4ee5\u4e0b\u3067\u3001\u4e26\u3079\u66ff\u3048\u5bfe\u8c61\u3092\u6307\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u751f\u5f92_country\u304c\u2018Japan\u2019\u306e\u5834\u5408\u306f\u3001\u751f\u5f92_address\u3067\u4f4f\u6240\u3067\u4e26\u3079\u66ff\u3048<br \/>\n\u751f\u5f92_country\u304c\u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u306f\u3001\u751f\u5f92_country\u3067\u56fd\u5225\u3067\u4e26\u3079\u66ff\u3048<br \/>\n\u3068\u3001\u6307\u793a\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3063\u3066\u3001\u4fbf\u5229\u3060\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"brush: sql; title: ; notranslate\" title=\"\">\r\nSELECT \u751f\u5f92_id, \u751f\u5f92_name \r\nFROM \u751f\u5f92;\r\nORDER BY\r\n     CASE \u751f\u5f92_country\r\n         WHEN 'Japan' THEN \u751f\u5f92_address\r\n         ELSE \u751f\u5f92_country\r\n     END\r\n<\/pre>\n<h4>UPDATE \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3067 CASE \u3092\u4f7f\u7528\u3059\u308b<\/h4>\n<p>\u751f\u5f92\u30c6\u30fc\u30d6\u30eb\u3001\u751f\u5f92_\u5e73\u5747\u70b9\u304c<\/p>\n<ul>\n<li>50\u70b9\u4ee5\u4e0b\u306a\u3089\u201dD\u201d\u8a55\u4fa1<\/li>\n<li>70\u70b9\u4ee5\u4e0b\u306a\u3089\u201dC\u201d\u8a55\u4fa1<\/li>\n<li>85\u70b9\u4ee5\u4e0b\u306a\u3089\u201dB\u201d\u8a55\u4fa1<\/li>\n<li>\u305d\u308c\u4ee5\u591685\u70b9\u4ee5\u4e0a\u306e\u5834\u5408\u306f\u3001\u201dA\u201d\u8a55\u4fa1<\/li>\n<\/ul>\n<p>\u3092\u751f\u5f92_\u8a55\u4fa1\u306b\u4ee3\u5165\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"brush: sql; title: ; notranslate\" title=\"\">\r\nUPDATE \u751f\u5f92\r\nSET \u751f\u5f92_\u8a55\u4fa1= \r\n    ( CASE\r\n         WHEN (\u751f\u5f92_\u5e73\u5747\u70b9  &lt; 50) THEN 'D'\r\n         WHEN (\u751f\u5f92_\u5e73\u5747\u70b9  &lt; 70) THEN 'C'\r\n         WHEN (\u751f\u5f92_\u5e73\u5747\u70b9  &lt; 85) THEN 'B'\r\n         ELSE 'A'\r\n       END\r\n    )\r\n&amp;#91;\/code&amp;#93;\r\n\r\n&lt;h4&gt;SET \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3067 CASE \u3092\u4f7f\u7528\u3059\u308b&lt;\/h4&gt;\r\n\r\n&lt;h4&gt; HAVING \u53e5\u3067 CASE \u3092\u4f7f\u7528\u3059\u308b&lt;\/h4&gt;\r\n\u30af\u30e9\u30b9\u5225\u306b\u3001\u8a55\u4fa1\u304c\u3082\u3046\u5c11\u3057\u3067\u4e0a\u304c\u308a\u305d\u3046\u306a\u751f\u5f92\u306e\u6700\u9ad8\u5e73\u5747\u70b9\u3092\u62bd\u51fa\u3059\u308bHAVING\u53e5\u3067\u3059\u3002\r\n\r\n\r\nSELECT \u751f\u5f92_id, \u751f\u5f92_name, MAX(\u751f\u5f92_\u5e73\u5747\u70b9) AS MAX_\u5e73\u5747\u70b9\r\nFROM \u751f\u5f92\r\nGROUP BY \u751f\u5f92_\u30af\u30e9\u30b9\r\nHAVING\r\n         \uff08MAX(\r\n         CASE \r\n                  WHEN \u751f\u5f92_\u8a55\u4fa1 = \u2018D\u2019 THEN \u751f\u5f92_\u5e73\u5747\u70b9\r\n                  ELSE NULL\r\n         END\r\n         ) &gt;= 45\r\n         \uff08MAX(\r\n         CASE \r\n                  WHEN \u751f\u5f92_\u8a55\u4fa1 = \u2018C\u2019 THEN \u751f\u5f92_\u5e73\u5747\u70b9\r\n                  ELSE NULL\r\n         END\r\n         ) &gt;= 65\r\n         OR\r\n         \uff08MAX(\r\n         CASE \r\n                  WHEN \u751f\u5f92_\u8a55\u4fa1 = \u2018B\u2019 THEN \u751f\u5f92_\u5e73\u5747\u70b9\r\n                  ELSE NULL\r\n         END\r\n         ) &gt;= 80\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>photo by inesbexiga \u524d\u56de\u3001\u7b2c2\u56de SQL Server Select\u6587\u3067 \u6761\u4ef6\u5206\u5c90 case\u6587\u306e\u4f7f\u7528\u3067\u306f\u3001case\u6587\u306e\u7a2e\u985e\u3092\u30a8\u30f3\u30c8\u30ea\u30fc\u3057\u307e\u3057\u305f\u3002 case\u6587\u306b\u306f\u30012\u7a2e\u985e\u3001\u5358\u7d14case\u5f0f\u3068\u691c\u7d22case\u5f0f [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31,32],"tags":[291,250],"class_list":["post-736","post","type-post","status-publish","format-standard","hentry","category-sqlserver","category-database","tag-case","tag-sql"],"_links":{"self":[{"href":"http:\/\/gigasmegas.com\/index.php?rest_route=\/wp\/v2\/posts\/736","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/gigasmegas.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/gigasmegas.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/gigasmegas.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/gigasmegas.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=736"}],"version-history":[{"count":15,"href":"http:\/\/gigasmegas.com\/index.php?rest_route=\/wp\/v2\/posts\/736\/revisions"}],"predecessor-version":[{"id":739,"href":"http:\/\/gigasmegas.com\/index.php?rest_route=\/wp\/v2\/posts\/736\/revisions\/739"}],"wp:attachment":[{"href":"http:\/\/gigasmegas.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=736"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/gigasmegas.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=736"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/gigasmegas.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=736"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}