{"id":1641,"date":"2016-04-20T16:54:45","date_gmt":"2016-04-20T08:54:45","guid":{"rendered":"http:\/\/www.821121.com\/?p=1641"},"modified":"2022-04-22T17:04:58","modified_gmt":"2022-04-22T09:04:58","slug":"oracle%e5%88%9b%e5%bb%ba%e8%a7%86%e5%9b%be-view","status":"publish","type":"post","link":"http:\/\/www.821121.com\/?p=1641","title":{"rendered":"Oracle\u521b\u5efa\u89c6\u56fe-view"},"content":{"rendered":"<h1>\u5b9a\u4e49<\/h1>\n<p>\u89c6\u56fe\u53ef\u4ee5\u5c06\u590d\u6742\u7684\u67e5\u8be2\u521b\u5efa\u6210\u89c6\u56fe\uff0c\u63d0\u4f9b\u7ed9\u4ed6\u4eba\u4f7f\u7528\uff0c\u4ed6\u4eba\u5c31\u4e0d\u9700\u8981\u53bb\u7406\u89e3\u5176\u4e2d\u590d\u6742\u6027\u7684\u4e1a\u52a1\u5173\u7cfb\u6216\u903b\u8f91\u5173\u7cfb\u3002\u8fd9\u6837\u5bf9\u89c6\u56fe\u7684\u4f7f\u7528\u4eba\u5458\u6765\u8bf4\uff0c\u5c31\u7b80\u5316\u4e86\u6570\u636e\u7684\uff0c\u5c4f\u853d\u4e86\u6570\u636e\u7684\u590d\u6742\u6027\u3002<\/p>\n<h1>\u521b\u5efa\u89c6\u56fe\u8bed\u53e5<\/h1>\n<pre><code class=\"language-sql\">create view \u89c6\u56fe\u540d \n    as \n    select \u8bed\u53e5;<\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code class=\"language-sql\">create view empmsg \n    as \n    select e.id id,e.name &quot;\u59d3\u540d&quot;,e.salary &quot;\u85aa\u6c34&quot;,e.birthday &quot;\u751f\u65e5&quot;,d.dept_name  &quot;\u90e8\u95e8&quot; \n    from employees e,department d\n    where e.dept_code=d.code;<\/code><\/pre>\n<h1>\u67e5\u8be2\u8bed\u53e5<\/h1>\n<pre><code class=\"language-sql\">select * from \u89c6\u56fe;<\/code><\/pre>\n<h1>\u67e5\u8be2\u5f53\u524d\u7528\u6237\u4e0b\u62e5\u6709\u7684\u6240\u6709\u89c6\u56fe<\/h1>\n<pre><code class=\"language-sql\">select * from user_views;<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5b9a\u4e49 \u89c6\u56fe\u53ef\u4ee5\u5c06\u590d\u6742\u7684\u67e5\u8be2\u521b\u5efa\u6210\u89c6\u56fe\uff0c\u63d0\u4f9b\u7ed9\u4ed6\u4eba\u4f7f<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1641","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts\/1641","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=1641"}],"version-history":[{"count":3,"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts\/1641\/revisions"}],"predecessor-version":[{"id":1718,"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts\/1641\/revisions\/1718"}],"wp:attachment":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1641"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1641"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1641"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}