A sequence was created with the

题目

A sequence was created with the DDL statement shown below:CREATE SEQUENCE my_seq START WITH 5 INCREMENT BY 5 CACHE 5 User1 successfully executes the following statements in Connection1: VALUES NEXT VALUE FOR my_seq INTO :con1hvar VALUES NEXT VALUE FOR my_seq INTO :con1hvar User2 successfully executes the following statement in Connection2: VALUES NEXT VALUE FOR my_seq INTO :con2hvar After User1 & User2 are finished, User3 executes the following statement in Connection3: SELECT NEXT VALUE FOR my_seq FROM sysibm.sysdummy1Which value will be returned by the query?()

  • A、20
  • B、25
  • C、50
  • D、55
参考答案和解析
正确答案:D
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相似问题和答案

第1题:

A sequence was created with the DDL statement shown below:CREATE SEQUENCE my_sequence CACHE 10 ORDER The following statements are successfully executed in sequence through separate database connections: CONNECTION1 - VALUES NEXT VALUE FOR my_sequence INTO :con1hvar CONNECTION2 - VALUES NEXT VALUE FOR my_sequence INTO :con2hvar CONNECTION1 - VALUES NEXT VALUE FOR my_sequence INTO:con1hvarWhat is the current value of the :con1hvar host variable?()

A.2

B.3

C.11

D.30


参考答案:B

第2题:

LTE中,RLC层接收端将接收到的RLC PDU重组并排序,生成RLC SDU,然后用哪种方式将RLC SDU转发到上层。 ()

  • A、In-sequence Delivery 
  • B、non In-sequence Delivery
  • C、通过高层信令配置为In-sequence Delivery
  • D、通过高层信令配置为In-sequence Delivery或non In-sequence Delivery

正确答案:A

第3题:

The protective scheme that senses zero sequence current and operates as necessary is called as _____.

A、overcurrent protection

B、zero sequence protection

C、negative sequence protection

D、directional protection


参考答案:B

第4题:

You create a data block based on a relation table containing a REF column. You select the REF column for your form module. Which statement about the REF column is true?()

  • A、It is created as a nondisplay item. 
  • B、The Lock Record property is set to Yes. 
  • C、It cannot be referenced in item level triggers. 
  • D、It is placed on the canvas with the highest sequence number.

正确答案:A

第5题:

当Sequence B作为Sequence A中的一段影片存在的时候,下列描述正确的是:()

  • A、Sequence B与其产生的影片会产生互动的关系,对一方的改动必然影响另外一方
  • B、对Sequence B的改动会影响其产生的影片,对Layer的操作则对Sequence B不发生影响
  • C、Sequence B会受到其产生的影片的影响,但是对Sequence B的操作不影响其Layer
  • D、Sequence B与其产生的影片之间不发生影响。

正确答案:B

第6题:

Which of the following is a characteristic of a sequence?()

A.A sequence will never generate duplicate values

B.The MAXVALUE of a sequence can be equal to the MINVALUE

C.It is not possible to create a sequence that generates a constant since the INCREMENT value must be greater than zero

D.When a sequence cycles back to either the MAXVALUE or MINVALUE, it will always be equal to the specified value of either of these two boundaries


参考答案:B

第7题:

当sequence B作为sequence A中的一段影片存在的时候木屑列描述正确的是:()

  • A、swquence B与其产生的影片会产生互动的关系,对一方的改动必然影响另外一方
  • B、对sequence B的改动会影响其产生的影片,Layer的操作则对sequence B不会发生影响
  • C、sequence B会受到其产生的影片的影响,但是对sequence B的操作部影响其Layer
  • D、sequence B与其产生的影片之间部发生影响。

正确答案:B

第8题:

Which two patented or patent-pending compression and caching technologies are used for WX/WXC devices?()(Choose two.)

A. Network Sequence Caching (NSC)

B. Molecular Sequence Caching (MSC)

C. Network Sequence Reduction (NSR)

D. Molecular Sequence Reduction (MSR)


参考答案:A, D

第9题:

You are granted the CREATE VIEW privilege. What does this allow you to do?()

  • A、Create a table view.
  • B、Create a view in any schema.
  • C、Create a view in your schema.
  • D、Create a sequence view in any schema.
  • E、Create a view that is accessible by everyone.
  • F、Create a view only of it is based on tables that you created.

正确答案:C

第10题:

Which of the following is a characteristic of a sequence?()

  • A、A sequence will never generate duplicate values
  • B、The MAXVALUE of a sequence can be equal to the MINVALUE
  • C、It is not possible to create a sequence that generates a constant since the INCREMENT value must be greater than zero
  • D、When a sequence cycles back to either the MAXVALUE or MINVALUE, it will always be equal to the specified value of either of these two boundaries

正确答案:B

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