{"id":15734,"date":"2023-12-04T22:09:19","date_gmt":"2023-12-04T14:09:19","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=15734"},"modified":"2023-12-04T22:10:06","modified_gmt":"2023-12-04T14:10:06","slug":"oracle-zhong-ji-he-cao-zuo-fu-dou-you-na-xie-ni-sh","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/oracle-zhong-ji-he-cao-zuo-fu-dou-you-na-xie-ni-sh\/","title":{"rendered":"Oracle \u4e2d\u96c6\u5408\u64cd\u4f5c\u7b26\u90fd\u6709\u54ea\u4e9b\uff0c\u4f60\u662f\u5982\u4f55\u7406\u89e3\u7684\uff1f"},"content":{"rendered":"<p>\u5728 Oracle \u4e2d\uff0c\u96c6\u5408\u64cd\u4f5c\u7b26\u7528\u4e8e\u6267\u884c\u4e24\u4e2a\u67e5\u8be2\u7684\u96c6\u5408\u8fd0\u7b97\uff0c\u7c7b\u4f3c\u4e8e SQL \u4e2d\u7684 UNION\u3001INTERSECT \u548c MINUS \u64cd\u4f5c\u7b26\u3002\u4ee5\u4e0b\u662f Oracle \u4e2d\u7684\u96c6\u5408\u64cd\u4f5c\u7b26\u53ca\u5176\u7b80\u8981\u89e3\u91ca\uff1a<\/p>\n<ol>\n<li>\n<strong>UNION\uff1a<\/strong><\/p>\n<ul>\n<li>\u5408\u5e76\u4e24\u4e2a\u67e5\u8be2\u7684\u7ed3\u679c\u96c6\uff0c\u53bb\u9664\u91cd\u590d\u884c\u3002<\/li>\n<li>\u4f8b\u5982\uff1a<code>SELECT column1 FROM table1 UNION SELECT column1 FROM table2;<\/code><\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>UNION ALL\uff1a<\/strong><\/p>\n<ul>\n<li>\u5408\u5e76\u4e24\u4e2a\u67e5\u8be2\u7684\u7ed3\u679c\u96c6\uff0c\u5305\u62ec\u91cd\u590d\u884c\u3002<\/li>\n<li>\u4f8b\u5982\uff1a<code>SELECT column1 FROM table1 UNION ALL SELECT column1 FROM table2;<\/code><\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>INTERSECT\uff1a<\/strong><\/p>\n<ul>\n<li>\u8fd4\u56de\u4e24\u4e2a\u67e5\u8be2\u7684\u4ea4\u96c6\uff0c\u53bb\u9664\u91cd\u590d\u884c\u3002<\/li>\n<li>\u4f8b\u5982\uff1a<code>SELECT column1 FROM table1 INTERSECT SELECT column1 FROM table2;<\/code><\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>MINUS\uff08\u6216 EXCEPT\uff09\uff1a<\/strong><\/p>\n<ul>\n<li>\u8fd4\u56de\u7b2c\u4e00\u4e2a\u67e5\u8be2\u7ed3\u679c\u96c6\u4e2d\u5b58\u5728\u800c\u7b2c\u4e8c\u4e2a\u67e5\u8be2\u7ed3\u679c\u96c6\u4e2d\u4e0d\u5b58\u5728\u7684\u884c\uff0c\u53bb\u9664\u91cd\u590d\u884c\u3002<\/li>\n<li>\u4f8b\u5982\uff1a<code>SELECT column1 FROM table1 MINUS SELECT column1 FROM table2;<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u8fd9\u4e9b\u96c6\u5408\u64cd\u4f5c\u7b26\u901a\u5e38\u7528\u4e8e\u5904\u7406\u4e0d\u540c\u8868\u4e4b\u95f4\u7684\u6570\u636e\uff0c\u6267\u884c\u7c7b\u4f3c\u4e8e\u5173\u7cfb\u4ee3\u6570\u7684\u64cd\u4f5c\u3002\u4f7f\u7528\u8fd9\u4e9b\u64cd\u4f5c\u7b26\u53ef\u4ee5\u65b9\u4fbf\u5730\u4ece\u4e0d\u540c\u6570\u636e\u96c6\u4e2d\u83b7\u53d6\u6240\u9700\u7684\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 Oracle \u4e2d\uff0c\u96c6\u5408\u64cd\u4f5c\u7b26\u7528\u4e8e\u6267\u884c\u4e24\u4e2a\u67e5\u8be2\u7684\u96c6\u5408\u8fd0\u7b97\uff0c\u7c7b\u4f3c\u4e8e SQL \u4e2d\u7684 UNION\u3001INTERSEC [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[120],"tags":[],"class_list":["post-15734","post","type-post","status-publish","format-standard","hentry","category-oracel"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15734","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=15734"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15734\/revisions"}],"predecessor-version":[{"id":15735,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15734\/revisions\/15735"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=15734"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=15734"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=15734"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}