create view hour_ago as select * from employees as of timestamp (systimestamp - interval '60' minute); 1. 二、闪回版本查询(Flashback Version Query) 闪回版本查询用法和闪回查询类似,闪回查询是返回某一时间点的数据状态,而闪回版本查询则是返回一段时间内数据的所有版本。我们可以用select的versions bet...
Oracle AS OF TIMESTAMP用法就是使用Oracle的时间戳技术来访问特定时间之前的数据,或者说把数据库回滚到某个时间点以前的状态.让我们来看一下AS OF TIMESTAMP的语法: SELECT <COLUMNS> FROM <TABLE> AS OF TIMESTAMP <TIMESTAMP>; 参数说明如下: COLUMNS–要查询的列 TABLE–表的名称 TIMESTAMP–时间戳,日期或...
在使用Oracle时,有时候会一不小心Delete错了某张表的某条数据,需要恢复的话,这时就可以使用as of timestamp时间戳查询删除之前表的数据,就可以用来恢复啦。 首先介绍两个sql : select sysdate, sysdate-10/1440 from dual; select sysdate, cast((systimestamp - interval '10'... 查看原文 mysql中的IFNULL...
CREATE TABLE [TABLENAME] AS SELECT * FROM (SELECT * FROM [TABLENAME] AS OF TIMESTAMP SYSDATE - 1);
as of是个词组，表示 自…；自…起；截至；在…时 as
AS OF TIMESTAMP TO_TIMESTAMP('2012-03-21 07:30:00', 'YYYY-MM-DD HH:MI:SS') WHERE UPPER(last_name) = 'SMITH'; 使用闪回查询恢复数据 INSERT INTO personnel ( SELECT * FROM personnel AS OF TIMESTAMP TO_TIMESTAMP('2012-03-21 07:30:00', 'YYYY-MM-DD HH:MI:SS') ...
51CTO博客已为您找到关于oracle as timestamp的相关内容,包含IT学习相关文档代码介绍、相关教程视频课程,以及oracle as timestamp问答内容。更多oracle as timestamp相关解答可以来51CTO博客参与分享和学习,帮助广大IT技术人实现成长和进步。
8.1.1 OracleAS Portal Search OracleAS Portal includes a set of built-in features tuned for searching content stored and managed within the OracleAS Portal Repository. These features are incorporated within the four search portlets that can be configured in a variety of ways: Basic Search— th...
timestamp Horário UTC em que o payload/pulsação cardíaca é emitido versão O número da versão do payload para compatibilidade MétricaNome para Exibição da MétricaUnidadeDescriçãoDimensões GpuUtilization Utilização de GPU percentual Nível de atividade da GPU. Expresso co...
select * from test as of timestamp(systimestamp - interval '10' day) * ERROR at line 1: ORA-08180: no snapshot found based on specified time I need to know which parameter to increase number of days. in the above query