[单选]

You want to track and store all transactional changes to a table over its lifetime. To accomplish this task, you enabled Flashback Data Archive with the retention of 5 years. After some time, the business requirement changed and you are asked to change the retention period from 5 years to 3 years. To accomplish this, you issued the following command:
ALTER FLASHBACK ARCHIVE fla1 MODIFY RETENTION 3 YEARS;
What is the outcome of this command?（）

内径百分表往测量杆上安装百分表时，压缩量0.2-（）mm为宜。 0.3。 0.4。 0.5。 0.6。 有关缓凝剂适用情况的表述，说法正确的有（）。 主要用于高温季节混凝土。 主要用于大体积混凝土。 主要用于有早强要求的混凝土。 不宜用于蒸汽养护的混凝土。 不宜用于日最低气温5℃以下施工的混凝土。 You issued the following statement：   SQL> ALTER SESSION SET NLS_LANG=FRENCH_CANADA.WE8ISO8859P1；   Which parameter is NOT overridden by using the above statement？（）    the value of the NLS_LANGUAGE variable。  the value of the NLS_TERRITORY variable。  the value of the NLS_CURRENCY variable。 the character encoding scheme used by the client applicatio。 Which best describes the main purpose of Service Update Management Assistant （SUMA）？（）   Schedules the install AIX APARs and updates。 Automatically installs AIX APARs and updates via the HMc。 Schedules and automates the download of AIX APARS and updates。 Automatically queries existing machines and alerts when APARS and updates are available。 1640年新议会的召开，标志英国资产阶级革命的开始，因为（）。 英国发生了反对王室的人民起义。 议员们拒绝通过征税法案。 议员们提出限制王权的要求。 国王宣布讨伐议会。

You want to track and store all transactional changes to a table over its lifetime. To accomplish this task, you enabled Flashback Data Archive with the retention of 5 years. After some time, the business requirement changed and you are asked to change the retention period from 5 years to 3 years. To accomplish this, you issued the following command:
ALTER FLASHBACK ARCHIVE fla1 MODIFY RETENTION 3 YEARS;
What is the outcome of this command?（）