You have the following requirements in relation to the detection of block corruption for your database instance： Check for logical self-consistency of data blocks when modified in memory. Checksums are calculated before and after the block change. Checks are performed for the lost writes to the physical standby database. Which method would help you perform the above checks automatically？（） Set the DB_SECUREFILE parameter to PERMITTED。 Set the DB_ULTRA_SAFE parameter to DATA_ONLY。 Set the DB_LOCK_CHECKSUM parameter to TYPICAL。 Set the DB_LOST_WRITE_PROTECT parameter to TYPICAL。
普通热轧带肋钢筋的牌号分别是（）。 HPB300。 HRB300。 HRB335。 HRB400。
When your WebLogic Server solution needs to be scaled out with additional capacity and you Don’t want to add additional hardware, which three techniques should you us?（） Assign more than one managed server to a physical hardware that allows better CPU utilization。 Assign more than one application to one managed server to better utilize threads within a single JVM process。 Assign the same application to more than one managed server to load balance requests between servers。 Assign the same heap size to the managed server across the cluster for easier control of memory footprint 。 Create a virtualized environment with hypervisor for an easier solutio。
简述平衡训练的基本原则。
李白《古风》第三首：“秦王扫六合，虎视何雄哉！挥剑决浮云，诸侯尽西来。明断自天启，大略驾群才。收兵铸金人，函谷正东开。……刑徒七十万，起土骊山隈。尚采不死药，茫然使心哀。……但见九泉下，金棺葬寒灰。”这首诗（）。 全诗都批评秦王不施仁义。 全诗都总结了秦亡的教训。 前半部歌颂秦王一统天下，后半部批评他。 前半部谴责秦王使用暴力，后半部指责他。
Evaluate the set of SQL statements:
CREATE TABLE dept
(deptno NUMBER(2),
dname VARCNAR2(14),
1oc VARCNAR2 (13));
ROLLBACK;
DESCRIBE DEPT
What is true about the set?（）
