{"id":2488,"date":"2019-05-26T00:50:41","date_gmt":"2019-05-25T16:50:41","guid":{"rendered":"https:\/\/www.linuxcool.com\/?p=2488"},"modified":"2019-05-26T00:50:43","modified_gmt":"2019-05-25T16:50:43","slug":"sum","status":"publish","type":"post","link":"https:\/\/www.linuxcool.com\/sum","title":{"rendered":"sum\u547d\u4ee4 &#8211; \u8ba1\u7b97\u6587\u4ef6\u7684\u6821\u9a8c\u7801\u548c\u663e\u793a\u5757\u6570"},"content":{"rendered":"\n<p>sum\u547d\u4ee4\u7528\u4e8e\u8ba1\u7b97\u5e76\u663e\u793a\u6307\u5b9a\u6587\u4ef6\u7684\u6821\u9a8c\u548c\u4e0e\u6587\u4ef6\u6240\u5360\u7528\u7684\u78c1\u76d8\u5757\u6570<\/p>\n\n\n\n<p><strong>\u8bed\u6cd5\u683c\u5f0f\uff1a<\/strong>sum[\u53c2\u6570]<\/p>\n\n\n\n<p><strong>\u5e38\u7528\u53c2\u6570\uff1a<\/strong><\/p>\n\n\n\n<table class=\"wp-block-table has-fixed-layout\"><tbody><tr><td> -r <\/td><td>\u4f7f\u7528BSD\u7684\u6821\u9a8c\u548c\u7b97\u6cd5\uff0c\u5757\u5927\u5c0f\u4e3a1k<\/td><\/tr><tr><td> -s <\/td><td>\u4f7f\u7528system V\u7684\u6821\u9a8c\u548c\u7b97\u6cd5\uff0c\u5757\u5927\u5c0f\u4e3a512\u5b57\u8282<\/td><\/tr><\/tbody><\/table>\n\n\n\n<p><strong>\u53c2\u8003\u5b9e\u4f8b<\/strong><\/p>\n\n\n\n<p>\n\n\u8ba1\u7b97\u6587\u4ef6\u6821\u9a8c\u7801\uff1a\n\n<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[root@linuxcool ~]# sum insert.sql \n00827    12 <\/pre>\n","protected":false},"excerpt":{"rendered":"<p>sum\u547d\u4ee4\u7528\u4e8e\u8ba1\u7b97\u5e76\u663e\u793a\u6307\u5b9a\u6587\u4ef6\u7684\u6821\u9a8c\u548c\u4e0e\u6587\u4ef6\u6240\u5360\u7528\u7684\u78c1\u76d8\u5757\u6570 \u8bed\u6cd5\u683c\u5f0f\uff1asum[\u53c2\u6570] \u5e38\u7528\u53c2\u6570\uff1a -r \u4f7f [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/posts\/2488"}],"collection":[{"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/comments?post=2488"}],"version-history":[{"count":2,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/posts\/2488\/revisions"}],"predecessor-version":[{"id":2520,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/posts\/2488\/revisions\/2520"}],"wp:attachment":[{"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/media?parent=2488"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/categories?post=2488"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/tags?post=2488"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}