{"id":1396,"date":"2015-03-02T15:09:53","date_gmt":"2015-03-02T07:09:53","guid":{"rendered":"http:\/\/www.menglanglang.cn\/?p=1396"},"modified":"2016-02-27T21:56:01","modified_gmt":"2016-02-27T13:56:01","slug":"mysql%e5%92%8csql-server%e5%ad%98%e5%82%a8%e8%bf%87%e7%a8%8b%e5%86%99%e6%b3%95%e4%b8%8a%e7%9a%84%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"http:\/\/www.menglanglang.cn\/?p=1396","title":{"rendered":"MySQL\u548cSQL Server\u5b58\u50a8\u8fc7\u7a0b\u5199\u6cd5\u4e0a\u7684\u533a\u522b"},"content":{"rendered":"

MySQL \u5728\u7248\u672c 5.X \u4e4b\u540e\u624d\u6709\u4e86\u5b58\u50a8\u8fc7\u7a0b\uff0c\u867d\u7136\u5927\u4f53\u4e0a\u548c SQL Server \u5dee\u4e0d\u591a\uff0c\u4f46\u6709\u4e9b\u7ec6\u8282\u7684\u5730\u65b9\uff0c\u5199\u6cd5\u4e0a\u5dee\u522b\u8fd8\u662f\u6bd4\u8f83\u5927\u3002\u5982\u679c\u5bf9\u5b58\u50a8\u8fc7\u7a0b\u4e0d\u4e86\u89e3\uff0c\u800c\u4e14\u60f3\u5b66\u5b66\u57fa\u672c\u77e5\u8bc6\u7684\u670b\u53cb\uff0c\u53ef\u4ee5\u770b\u770b\u300aMySQL5.x.x\u5b58\u50a8\u8fc7\u7a0b\u7b80\u5355\u5165\u95e8<\/a>\u300b\uff0c\u4e5f\u662f\u6700\u8fd1\u521a\u5b66\u5b58\u50a8\u8fc7\u7a0b\u65f6\u7684\u7b14\u8bb0\uff0c\u975e\u5e38\u57fa\u7840\u7684\u90e8\u5206\uff0c\u60f3\u5165\u95e8\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u3002<\/p>\n

\u7531\u4e8e\u539f\u6765\u9879\u76ee\u6709\u4e2a\u5b58\u50a8\u8fc7\u7a0b\u662f SQL Server \u7684\uff0c\u4f46\u9700\u8981\u642c\u5230 MySQL \u4e2d\u8fd0\u884c\uff0c\u6709\u4e9b\u5730\u65b9\u9700\u8981\u4fee\u6539\uff0c\u4e0b\u9762\u5c31\u4e3b\u8981\u4fee\u6539\u7684\u4e00\u4e9b\u5730\u65b9\u505a\u4e00\u4e0b\u6bd4\u8f83\uff0c\u5217\u51fa\u6765\u5427\uff0c\u4f9b\u5927\u5bb6\u53c2\u8003\uff08\u6587\u7ae0\u4e2d\uff0cMS \u4ee3\u8868 MySQL\uff0cSS \u4ee3\u8868 SQL Server\uff0c(a) \u4ee3\u8868 @\uff09\uff1a<\/p>\n

1. \u5728\u53d8\u91cf\u7684\u58f0\u660e\u548c\u8d4b\u503c\u4e0a\u7684\u5dee\u522b\u3002<\/strong><\/span><\/p>\n

SS \u4e2d\uff0c\u53d8\u91cf\u8981\u5148\u58f0\u660e\u540e\u8d4b\u503c\uff0c\u5c40\u90e8\u53d8\u91cf\u7528\u4e00\u4e2a(a)\u6807\u8bc6\uff0c\u5168\u5c40\u53d8\u91cf\u7528\u4e24\u4e2a(a)\u3002<\/p>\n

SS \u58f0\u660e\u5c40\u90e8\u53d8\u91cf\u8bed\u6cd5\uff1a<\/strong><\/p>\n

\n
\n
Code<\/strong>\u00a0\u00a0\u00a0View<\/a>Print<\/a><\/div>\n<\/div>\n
    \n
  1. declare<\/span>\u00a0(a)\u53d8\u91cf\u540d1\u00a0\u6570\u636e\u7c7b\u578b1,(a)\u53d8\u91cf\u540d2\u00a0\u6570\u636e\u7c7b\u578b2;<\/li>\n
  2. declare<\/span>\u00a0(a)\u53d8\u91cf\u540d3\u00a0\u6570\u636e\u7c7b\u578b3,...<\/li>\n
  3. \u4f8b\u5982\uff1adeclare<\/span>\u00a0(a)method\u00a0char<\/span>(10),(a)COUNT<\/span>\u00a0INT<\/span>;<\/li>\n
  4. DECLARE<\/span>\u00a0(a)starttime\u00a0DATETIME,...<\/li>\n<\/ol>\n<\/div>\n

    \u6ce8\u610f\uff1a<\/span><\/strong>\u58f0\u660e\u7684\u65b9\u5f0f\u548c MS \u6709\u533a\u522b\uff0c\u4e00\u4e2a declare \u53ef\u4ee5\u58f0\u660e\u5f88\u591a\u4e2a\u53d8\u91cf\uff0c\u5e76\u7528\u9017\u53f7\u5206\u5272\uff0c\u6700\u540e\u7528\u5206\u53f7\uff0c\u624d\u53ef\u4ee5\u5199\u4e0b\u4e00\u4e2a declare\u3002\u53e6\u5916\uff0c\u53d8\u91cf\u540d\u524d\u6709(a)\u3002<\/p>\n

    SS \u6709\u4e24\u79cd\u8d4b\u503c\u65b9\u6cd5\uff08(a)num\u4e3a\u53d8\u91cf\u540d\uff0cvalue\u4e3a\u503c\uff09\uff1a<\/strong><\/p>\n

    \n
    \n
    Code<\/strong>\u00a0\u00a0\u00a0View<\/a>Print<\/a><\/div>\n<\/div>\n
      \n
    1. set<\/span>\u00a0(a)num=value;<\/li>\n
    2. \u6216<\/li>\n
    3. select<\/span>\u00a0(a)num=value;<\/li>\n<\/ol>\n<\/div>\n

      SS \u5982\u679c\u60f3\u83b7\u53d6\u67e5\u8be2\u8bed\u53e5\u4e2d\u7684\u4e00\u4e2a\u5b57\u6bb5\u7684\u503c\u8d4b\u503c\u4e8e\u67d0\u53d8\u91cf\uff0c\u5219\u53ef\u4ee5\u7528 select \u7ed9\u53d8\u91cf\u8d4b\u503c\uff1a<\/strong>
      \nselect (a)num=\u5b57\u6bb5\u540d from \u8868\u540d where...<\/code><\/p>\n

      \u800c\u5728 MS \u4e2d\uff0c\u53d8\u91cf\u4e0d\u7528\u63d0\u524d\u58f0\u660e\uff0c\u5f53\u7528\u7684\u65f6\u5019\u76f4\u63a5\u7528\u201c(a)\u53d8\u91cf\u540d\u201d\u5c31\u53ef\u4ee5\u4e86\u3002\u4f46\u5982\u679c\u60f3\u58f0\u660e\uff0c\u4e5f\u53ef\u4ee5\u7528\u5173\u952e\u5b57 declare\u6765\u5148\u58f0\u660e\u3002<\/span><\/p>\n

      MS \u58f0\u660e\u5c40\u90e8\u53d8\u91cf\u8bed\u6cd5\uff1a<\/strong><\/p>\n

      \n
      \n
      Code<\/strong>\u00a0\u00a0\u00a0View<\/a>Print<\/a><\/div>\n<\/div>\n
        \n
      1. declare<\/span>\u00a0\u53d8\u91cf\u540d1\u00a0\u6570\u636e\u7c7b\u578b1;declare<\/span>\u00a0\u53d8\u91cf\u540d2\u00a0\u6570\u636e\u7c7b\u578b2;declare<\/span>\u00a0\u53d8\u91cf\u540d3\u00a0\u6570\u636e\u7c7b\u578b3;...<\/li>\n
      2. \u4f8b\u5982\uff1adeclare<\/span>\u00a0method\u00a0char<\/span>(10);DECLARE<\/span>\u00a0COUNT<\/span>\u00a0INT<\/span>;DECLARE<\/span>\u00a0starttime\u00a0DATETIME;...<\/li>\n<\/ol>\n<\/div>\n

        \u6ce8\u610f\uff1a<\/strong>\u58f0\u660e\u7684\u5199\u6cd5\u548c SS \u662f\u4e0d\u540c\u7684\u3002\u6ca1\u6709(a)\uff0c\u5f88\u591a\u4e2a declare\uff0c\u6bcf\u4e2a\u4e4b\u95f4\u7528\u5206\u53f7\u5206\u5272\u3002\u5f53\u7136\u4e5f\u53ef\u4ee5\u4e0d\u7528\u58f0\u660e\uff0c\u76f4\u63a5\u6309\u4e0b\u9762\u7684\u8d4b\u503c\u65b9\u5f0f\u8fd0\u7528\u53d8\u91cf\u4e5f\u884c\u3002<\/span><\/span><\/p>\n

        MS \u8d4b\u503c\u5c40\u90e8\u53d8\u91cf\u8bed\u6cd5\uff1a<\/strong><\/p>\n

        \n
        \n
        Code<\/strong>\u00a0\u00a0\u00a0View<\/a>Print<\/a><\/div>\n<\/div>\n
          \n
        1. set<\/span>\u00a0(a)num=1;<\/li>\n
        2. \u6216<\/li>\n
        3. set<\/span>\u00a0(a)num:=1;<\/li>\n<\/ol>\n<\/div>\n
          \n
          \n
          Code<\/strong>\u00a0\u00a0\u00a0View<\/a>Print<\/a><\/div>\n<\/div>\n
            \n
          1. select<\/span>\u00a0(a)num:=1;<\/li>\n
          2. \u6216<\/li>\n
          3. select<\/span>\u00a0(a)num:=\u5b57\u6bb5\u540d\u00a0from<\/span>\u00a0\u8868\u540d\u00a0where<\/span>...<\/li>\n<\/ol>\n<\/div>\n

            \u6ce8\u610f\uff1a<\/strong>\u4f7f\u7528 set \u65f6\u8d4b\u503c\u7b26\u53f7\u53ef\u4ee5\u7528\u201c=\u201d\u6216\u201c:=\u201d\uff0c\u800c\u4f7f\u7528 select \u65f6\u5fc5\u987b\u7528\u201c:=\u201d\u3002<\/span><\/span><\/p>\n

            2. IF \u5224\u65ad\u4e0a\u7684\u533a\u522b\u3002<\/strong><\/span><\/p>\n

            SS \u5728\u7528 IF \u6761\u4ef6\u5224\u65ad\u8bed\u53e5\u65f6\uff0c\u6709\u4e2a IF \u5219\u8db3\u591f\u4e86\uff0c\u770b\u4e0b\u4f8b\uff1a<\/p>\n

            \n
            \n
            Code<\/strong>\u00a0\u00a0\u00a0View<\/a>Print<\/a><\/div>\n<\/div>\n
              \n
            1. if (a)limit_c\u00a0is<\/span>\u00a0null<\/span><\/li>\n
            2. \u00a0\u00a0\u00a0\u00a0select<\/span>\u00a0(a)limit_c\u00a0=\u00a00<\/li>\n<\/ol>\n<\/div>\n

              \u4f46\u5728 MS \u4e2d\uff0c\u8fd8\u9700\u8981\u6709 THEN \u505a\u8fde\u63a5\uff0c\u5e76\u7528 END IF \u52a0\u5206\u53f7\u505a\u7ed3\u5c3e\u3002<\/p>\n

              \n
              \n
              Code<\/strong>\u00a0\u00a0\u00a0View<\/a>Print<\/a><\/div>\n<\/div>\n
                \n
              1. IF (a)limit_c\u00a0IS<\/span>\u00a0NULL<\/span><\/li>\n
              2. THEN<\/span><\/li>\n
              3. \u00a0SELECT<\/span>\u00a0(a)limit_c\u00a0:=\u00a00;<\/li>\n
              4. END<\/span>\u00a0IF;<\/li>\n<\/ol>\n<\/div>\n

                3. \u540c\u4e0a\uff0cIF ... ELSE ...\uff0cIF .. ELSE IF ... ELSE ...\u3002<\/strong><\/span><\/p>\n

                \n
                \n
                Code<\/strong>\u00a0\u00a0\u00a0View<\/a>Print<\/a><\/div>\n<\/div>\n
                  \n
                1. SS:<\/li>\n
                2. IF\u00a0...\u00a0ELSE<\/span>\u00a0...<\/li>\n
                3. IF\u00a0...\u00a0ELSE<\/span>\u00a0IF\u00a0...\u00a0ELSE<\/span>\u00a0...(else<\/span>\u00a0\u548c\u00a0if\u00a0\u4e2d\u95f4\u6709\u7a7a\u683c)<\/li>\n
                4. <\/li>\n
                5. MS:<\/li>\n
                6. IF\u00a0...\u00a0THEN<\/span>\u00a0...\u00a0ELSE<\/span>\u00a0...\u00a0END<\/span>\u00a0IF;<\/li>\n
                7. IF\u00a0...\u00a0THEN<\/span>\u00a0...\u00a0ELSEIF\u00a0...\u00a0THEN<\/span>\u00a0...\u00a0ELSE<\/span>\u00a0...\u00a0END<\/span>\u00a0IF;(else<\/span>\u00a0\u548c\u00a0if\u00a0\u4e2d\u95f4\u65e0\u7a7a\u683c)<\/li>\n<\/ol>\n<\/div>\n

                  4. \u52a8\u6001\u6267\u884c sql \u7684\u547d\u4ee4 EXECUTE \u7684\u533a\u522b\u3002<\/strong><\/span><\/p>\n

                  \n
                  \n
                  Code<\/strong>\u00a0\u00a0\u00a0View<\/a>Print<\/a><\/div>\n<\/div>\n
                    \n
                  1. SS:<\/li>\n
                  2. exec<\/span>\u00a0p_getmonthfrist (a)starttime,(a)starttime\u00a0output<\/span><\/li>\n
                  3. <\/li>\n
                  4. MS:<\/li>\n
                  5. EXECUTE<\/span>\u00a0p_getmonthfrist\u00a0USING (a)starttime,(a)starttime;<\/li>\n<\/ol>\n<\/div>\n

                    \u8fd9\u91cc\u53ea\u662f\u4fee\u6539\u5b58\u50a8\u8fc7\u7a0b\u65f6\u78b0\u5230\u7684\u51e0\u4e2a\u4e0d\u540c\u70b9\uff0c\u5927\u6982\u6574\u7406\u603b\u7ed3\u4e00\u4e0b\uff0c\u4f46\u80af\u5b9a\u662f\u4e5d\u725b\u4e00\u6bdb\uff0c\u4e00\u5b9a\u8fd8\u6709\u5f88\u591a\u5199\u6cd5\u5927\u4e0d\u76f8\u540c\u7684\u7684\u5730\u65b9\uff0c\u53ea\u80fd\u4e0a\u7f51\u591a\u67e5\u67e5\u4e86\u3002<\/p>\n

                    \u4e5f\u4e0d\u77e5\u9053\u4e3a\u5565\uff0c\u4ee3\u7801\u4e2d\u6709@\u65f6\uff0c\u53d1\u5e03\u535a\u5ba2\u6709\u4e0b\u9762\u7684\u8b66\u544a\u4fe1\u606f\uff0c\u70e6\u7684\u5f88\u3002<\/p>\n

                    \n
                      \n
                    1. \u7531\u4e8e\u60a8\u8bbf\u95ee\u7684URL\u6709\u53ef\u80fd\u5bf9\u7f51\u7ad9\u9020\u6210\u5b89\u5168\u5a01\u80c1\uff0c\u60a8\u7684\u8bbf\u95ee\u88ab\u963b\u65ad\u3002<\/li>\n
                    2. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u7ad9\u957f\u70b9\u51fb\u67e5\u770b\u8be6\u60c5<\/li>\n
                    3. \u89c4\u5219ID:1020\u00a0\u62e6\u622a\u65f6\u95f4\uff1a2015\/03\/02\u00a015:05:06<\/li>\n
                    4. ServerName\uff1achn-tj-ht-sa1\/1.2.9-3<\/li>\n
                    5. \u8fdb\u5165\u7ad9\u957f\u7eff\u8272\u901a\u9053\u00a0-\u00a0\u4f7f\u60a8\u7684\u8bbf\u95ee\u4e0d\u518d\u88ab\u62e6\u622a<\/li>\n<\/ol>\n<\/div>\n

                      \u67e5\u4e86\u4e0b\uff0c\u95ee\u9898\u6ca1\u89e3\u51b3\u4e86\uff0c\u5c31\u7528(a)\u4ee3\u66ff\u4e86\u4ee3\u7801\u4e2d\u7684@\uff0c\u5c31\u51d1\u5408\u770b\u5427\u3002\u3002\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

                      MySQL \u5728\u7248\u672c 5.X \u4e4b\u540e\u624d\u6709\u4e86\u5b58\u50a8\u8fc7\u7a0b\uff0c\u867d\u7136\u5927\u4f53\u4e0a\u548c SQL Server \u5dee\u4e0d\u591a\uff0c\u4f46\u6709\u4e9b\u7ec6\u8282\u7684\u5730\u65b9\uff0c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[278],"tags":[186,604,328],"class_list":["post-1396","post","type-post","status-publish","format-standard","hentry","category-sql","tag-mysql","tag-sql","tag-sql-server"],"_links":{"self":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts\/1396","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1396"}],"version-history":[{"count":1,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts\/1396\/revisions"}],"predecessor-version":[{"id":2667,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts\/1396\/revisions\/2667"}],"wp:attachment":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1396"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1396"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1396"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}