All the database users are presently connected to the database instance and working. The HR user hasopened three database sessions and executed the following command in one of his sessions:SQL> UPDATE persons SET ccode=’U031’ WHERE ccode=’U029’; 123 rows updated.SQL> DELETE FROM persons WHERE exp=’Y’;3 rows deleted. The SYS user opens a new session after HR executed the above commands. Which sessions can see theeffect of the UPDATE and DELETE commands()
第1题:
有关ALL以下说法正确的是
A、免疫学分型将T细胞ALL分为4个亚型
B、免疫学分型将B细胞ALL分为3个亚型
C、仅10%ALL患者可检出克隆性核型异常相关性
D、除ALL L3型以外,ALL的免疫学亚型与FAB亚型之间无相关性
E、免疫学分型将ALL分为T细胞ALL、B细胞ALL和T、B细胞混合性ALL
第2题:
[A] All in all [B] In addition [C] In case [D] After all
第3题:
我们从特供商场购买食品,并加强对所购食品的检查
A.We’ll buy all the food from supermarket and check all the food we buy carefully
B.We’ll buy all the food from foreign countries and check all the food we buy carefully
C.We’ll import all the food and check all the food we buy carefully
D.We’ll buy all the food from exclusive shops and check all the food we buy carefully
第4题:
A、every of her keys; none
B、all of her keys; not every one
C、all of her keys; none
D、her all keys; not all
第5题:
__________ specifies the feature of [+continuant] .
A、all the fricatives
B、all the fricatives and glides
C、all the fricatives and liquids
D、all the fricatives, liquids and glides
第6题:
下列命令中,功能相同的是
A.DELETE ALL和PACK
B.DELETE ALL、ZAP和PACK
C.DELETE ALL、PACK和ZAP
D.DELETE ALL和RECALL ALL
第7题:
A、all whose homes
B、all of their homes
C、all of whose homes
D、all their homes
第8题:
(A) in all sides
(B) on all sides
(C) in all side
(D) on all side
正确答案:B
解答参考:本题考查短语on all sides “在各方面,到处”。【译文】伊丽莎白的姐姐各方面都做得比她好。
第9题:
A. Having been spent all the money
B. All the money having been spent
C. We spent all the money
D. All the money was spent
第10题:
___ I’d like to welcome you to the conference.
A、All first
B、First of all
C、Of all the first
D、All of the first