{"id":1081,"date":"2015-04-16T11:25:00","date_gmt":"2015-04-16T03:25:00","guid":{"rendered":"http:\/\/www.821121.com\/?p=1081"},"modified":"2020-12-15T11:25:46","modified_gmt":"2020-12-15T03:25:46","slug":"oracle-sql%e8%af%ad%e5%8f%a5-%e4%b9%8b-%e5%a4%a7%e5%b0%8f%e5%86%99%e8%bd%ac%e6%8d%a2%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"http:\/\/www.821121.com\/?p=1081","title":{"rendered":"Oracle SQL\u8bed\u53e5 \u4e4b \u5927\u5c0f\u5199\u8f6c\u6362\u51fd\u6570"},"content":{"rendered":"<h1>\u5b9a\u4e49<\/h1>\n<p>lower\uff08\uff09\u51fd\u6570\uff1a\u5c06\u8868\u91cc\u7684\u5b57\u6bb5\u4fe1\u606f\u4e2d\u542b\u6709\u5b57\u6bcd\u7684\u5168\u90e8\u8f6c\u6210\u5c0f\u5199<br \/>\nupper\uff08\uff09\u51fd\u6570\uff1a\u5c06\u8868\u91cc\u7684\u5b57\u6bb5\u4fe1\u606f\u4e2d\u542b\u6709\u5b57\u6bcd\u7684\u5168\u90e8\u8f6c\u6210\u5927\u5199<\/p>\n<h1>\u8bed\u6cd5<\/h1>\n<p>lower\uff08\u5b57\u6bb5\u540d\uff09\u3001upper\uff08\u5b57\u6bb5\u540d\uff09<br \/>\n<span style=\"color: #ff0000;\">\u6ce8\u610f\uff1a\u5b57\u6bb5\u7684\u6570\u636e\u7c7b\u578b\u5fc5\u987b\u662f\u5b57\u7b26\u4e32\u7c7b\u578b<\/span><\/p>\n<p>lower\uff08\u5b57\u7b26\u4e32\uff09\u3001upper\uff08\u5b57\u7b26\u4e32\uff09<\/p>\n<h1>\u8fd4\u56de\u503c\u7c7b\u578b<\/h1>\n<p>\u5b57\u7b26\u4e32<\/p>\n<h1>\u4e3e\u4f8b<\/h1>\n<h2>\u672a\u52a0\u51fd\u6570<\/h2>\n<pre><code class=\"language-sql\">select * from test where rownum = 1<\/code><\/pre>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2020\/12\/image-1608002533078.png\" alt=\"file\" \/><\/p>\n<h2>\u4f7f\u7528lower\uff08\uff09\u51fd\u6570<\/h2>\n<pre><code class=\"language-sql\">select lower(value) from test where rownum = 1<\/code><\/pre>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2020\/12\/image-1608002608244.png\" alt=\"file\" \/><\/p>\n<h2>\u4f7f\u7528upper\uff08\uff09\u51fd\u6570<\/h2>\n<pre><code class=\"language-sql\">select upper(value) from test where rownum = 1<\/code><\/pre>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2020\/12\/image-1608002642258.png\" alt=\"file\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b9a\u4e49 lower\uff08\uff09\u51fd\u6570\uff1a\u5c06\u8868\u91cc\u7684\u5b57\u6bb5\u4fe1\u606f\u4e2d\u542b\u6709\u5b57<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[48],"tags":[],"class_list":["post-1081","post","type-post","status-publish","format-standard","hentry","category-sql"],"_links":{"self":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts\/1081","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1081"}],"version-history":[{"count":1,"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts\/1081\/revisions"}],"predecessor-version":[{"id":1086,"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts\/1081\/revisions\/1086"}],"wp:attachment":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1081"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1081"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1081"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}