{"id":621,"date":"2010-04-16T20:21:00","date_gmt":"2010-04-16T12:21:00","guid":{"rendered":"http:\/\/blog.jixin.ntxz.net\/?p=621"},"modified":"2010-07-30T15:39:31","modified_gmt":"2010-07-30T07:39:31","slug":"int%e3%80%81bigint%e3%80%81smallint-%e5%92%8c-tinyint","status":"publish","type":"post","link":"http:\/\/www.ntxz.net\/?p=621","title":{"rendered":"int\u3001bigint\u3001smallint \u548c tinyint"},"content":{"rendered":"<p>\u4f7f\u7528\u6574\u6570\u6570\u636e\u7684\u7cbe\u786e\u6570\u5b57\u6570\u636e\u7c7b\u578b\u3002<br \/>bigint<br \/>\u4ece -2^63 (-9223372036854775808) \u5230 2^63-1 (9223372036854775807) \u7684\u6574\u578b\u6570\u636e\uff08\u6240\u6709\u6570\u5b57\uff09\u3002\u5b58\u50a8\u5927\u5c0f\u4e3a 8 \u4e2a\u5b57\u8282\u3002<br \/>int<br \/>\u4ece -2^31 (-2,147,483,648) \u5230 2^31 &#8211; 1 (2,147,483,647) \u7684\u6574\u578b\u6570\u636e\uff08\u6240\u6709\u6570\u5b57\uff09\u3002\u5b58\u50a8\u5927\u5c0f\u4e3a 4 \u4e2a\u5b57\u8282\u3002int \u7684 <span class=t_tag onclick=tagshow(event) href=\"http:\/\/blog.cnbytes.net\/tag.php?name=SQL\">SQL<\/span>-92 \u540c\u4e49\u5b57\u4e3a integer\u3002<br \/>smallint<br \/>\u4ece -2^15 (-32,768) \u5230 2^15 &#8211; 1 (32,767) \u7684\u6574\u578b\u6570\u636e\u3002\u5b58\u50a8\u5927\u5c0f\u4e3a 2 \u4e2a\u5b57\u8282\u3002<br \/>tinyint<br \/>\u4ece 0 \u5230 255 \u7684\u6574\u578b\u6570\u636e\u3002\u5b58\u50a8\u5927\u5c0f\u4e3a 1 \u5b57\u8282\u3002<br \/>\u6ce8\u91ca<br \/>\u5728\u652f\u6301\u6574\u6570\u503c\u7684\u5730\u65b9\u652f\u6301 bigint \u6570\u636e\u7c7b\u578b\u3002\u4f46\u662f\uff0cbigint \u7528\u4e8e\u67d0\u4e9b\u7279\u6b8a\u7684\u60c5\u51b5\uff0c\u5f53\u6574\u6570\u503c\u8d85\u8fc7 int \u6570\u636e\u7c7b\u578b\u652f\u6301\u7684\u8303\u56f4\u65f6\uff0c\u5c31\u53ef\u4ee5\u91c7\u7528 bigint\u3002\u5728 SQL Server \u4e2d\uff0cint \u6570\u636e\u7c7b\u578b\u662f\u4e3b\u8981\u7684\u6574\u6570\u6570\u636e\u7c7b\u578b\u3002<br \/>\u5728\u6570\u636e\u7c7b\u578b\u4f18\u5148\u6b21\u5e8f\u8868\u4e2d\uff0cbigint \u4f4d\u4e8e smallmoney \u548c int \u4e4b\u95f4\u3002<br \/>\u53ea\u6709\u5f53\u53c2\u6570\u8868\u8fbe\u5f0f\u662f bigint \u6570\u636e\u7c7b\u578b\u65f6\uff0c<span class=t_tag onclick=tagshow(event) href=\"http:\/\/blog.cnbytes.net\/tag.php?name=%BA%AF%CA%FD\">\u51fd\u6570<\/span>\u624d\u8fd4\u56de bigint\u3002SQL Server \u4e0d\u4f1a\u81ea\u52a8\u5c06\u5176\u5b83\u6574\u6570\u6570\u636e\u7c7b\u578b\uff08tinyint\u3001smallint \u548c int\uff09\u63d0\u5347\u4e3a bigint\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528\u6574\u6570\u6570\u636e\u7684\u7cbe\u786e\u6570\u5b57\u6570\u636e\u7c7b\u578b\u3002bigint\u4ece -2^63 (-9223372036854775808) \u5230  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,8],"tags":[],"class_list":["post-621","post","type-post","status-publish","format-standard","hentry","category-1","category-oldblog"],"views":216,"_links":{"self":[{"href":"http:\/\/www.ntxz.net\/index.php?rest_route=\/wp\/v2\/posts\/621","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.ntxz.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.ntxz.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.ntxz.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.ntxz.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=621"}],"version-history":[{"count":1,"href":"http:\/\/www.ntxz.net\/index.php?rest_route=\/wp\/v2\/posts\/621\/revisions"}],"predecessor-version":[{"id":770,"href":"http:\/\/www.ntxz.net\/index.php?rest_route=\/wp\/v2\/posts\/621\/revisions\/770"}],"wp:attachment":[{"href":"http:\/\/www.ntxz.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=621"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.ntxz.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=621"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.ntxz.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}