{"id":1634,"date":"2016-01-16T15:17:31","date_gmt":"2016-01-16T07:17:31","guid":{"rendered":"http:\/\/www.821121.com\/?p=1634"},"modified":"2022-04-21T11:33:57","modified_gmt":"2022-04-21T03:33:57","slug":"oracle%e4%bf%9d%e7%95%99%e8%a1%a8%e7%bb%93%e6%9e%84%e7%9a%84%e5%88%a0%e9%99%a4%e8%a1%a8%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"http:\/\/www.821121.com\/?p=1634","title":{"rendered":"Oracle\u4fdd\u7559\u8868\u7ed3\u6784\u7684\u5220\u9664\u8868\u6570\u636e"},"content":{"rendered":"<h1>1.delete<\/h1>\n<p>\u5220\u9664\u8868\u4e2d\u7684\u5168\u90e8\u6570\u636e,\u4fdd\u7559\u8868\u7ed3\u6784\uff0c\u6b64\u64cd\u4f5c\u53ef\u4ee5\u56de\u6eda<\/p>\n<pre><code class=\"language-sql\">delete from table_name;<\/code><\/pre>\n<h4>delete\u56de\u6eda\u64cd\u4f5c<\/h4>\n<pre><code class=\"language-sql\">#1.\u63d0\u524d\u5f00\u542f\u8868\u7684\u79fb\u52a8\u529f\u80fd\n\nalter table \u8868\u540d enable row movement\uff1b\n\n#2.\u6839\u636e\u65f6\u95f4\u56de\u6eda\uff0c\u9700\u8981\u63d0\u524d\u5f00\u542f\u95ea\u56de\u533a\n\nflashback table \u8868\u540d to timestamp to_timestamp(&#039;2016-01-26 15:00:00&#039;,&#039;yyyy-mm-dd hh24:mi:ss&#039;)\uff1b\n<\/code><\/pre>\n<h1>2.truncate<\/h1>\n<p>\u5220\u9664\u8868\u4e2d\u7684\u5168\u90e8\u6570\u636e,\u4fdd\u7559\u8868\u7ed3\u6784(\u81ea\u52a8\u63d0\u4ea4(COMMIT))\uff0c\u6b64\u64cd\u4f5c\u4e0d\u53ef\u56de\u9000<\/p>\n<h4>2.1\u5220\u9664\u8868\u6570\u636e\u4e0d\u4fdd\u7559\u8bb0\u5f55\u5360\u7528\u7a7a\u95f4<\/h4>\n<pre><code class=\"language-sql\">truncate table table_name drop storage;\n\n#\u4e0d\u6dfb\u52a0drop storage\uff0c\u9ed8\u8ba4\u4f7f\u7528\u8be5\u53c2\u6570\ntruncate table table_name;<\/code><\/pre>\n<h3>2.2\u5220\u9664\u8868\u6570\u636e\u4fdd\u7559\u8bb0\u5f55\u5360\u7528\u7684\u7a7a\u95f4<\/h3>\n<pre><code class=\"language-sql\"> Truncate table table_name reuse storage;<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>1.delete \u5220\u9664\u8868\u4e2d\u7684\u5168\u90e8\u6570\u636e,\u4fdd\u7559\u8868\u7ed3\u6784\uff0c<\/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-1634","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts\/1634","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=1634"}],"version-history":[{"count":3,"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts\/1634\/revisions"}],"predecessor-version":[{"id":1692,"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts\/1634\/revisions\/1692"}],"wp:attachment":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1634"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1634"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1634"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}