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多选题Which two statements are true regarding the default behavior of the ORDER BY clause? （）ANull values are left out of the sort.BCharacter values are displayed from Z to ACDate values are displayed with the earliest value first.DNull values are displayed

题目
多选题
Which two statements are true regarding the default behavior of the ORDER BY clause? （）
A

Null values are left out of the sort.

B

Character values are displayed from Z to A

C

Date values are displayed with the earliest value first.

D

Null values are displayed last for descending sequences.

E

Numeric values are displayed with the lowest values first.

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相似问题和答案

第1题：

Which two statements are true regarding the default behavior of the ORDER BY clause? ()

A.Null values are left out of the sort.

B.Character values are displayed from Z to A

C.Date values are displayed with the earliest value first.

D.Null values are displayed last for descending sequences.

E.Numeric values are displayed with the lowest values first.


参考答案：C, E

第2题：

Which two statements are true regarding routing policy processing?()

A. The Junos OS verifies the match criteria of each policy in order and performs the associated action when a match occurs.

B. Policies are evaluated from right to left as displayed in the Junos OS configuration file.

C. Polices are evaluated based on the order in which they are applied to a routing protocol.

D. Policy processing stops once the last statement in the policy is evaluated.


参考答案：A, C

第3题：

Evaluate the following command:Which statement is true regarding the above command?()

A. The LOB matically compressed.

B. The LOB values are cached bvalues are autoy default in the buffer cache.

C. The LOB values are automatically stored in encrypted mode.

D. All LOB data that is identical in two or more rows in a LOB column share the same data blocks.


参考答案：D

第4题：

Which two statements are true regarding the return values of property written hashCode and equals methods from two instances of the same class？（）

  • A、 If the hashCode values are different， the objects might be equal.
  • B、 If the hashCode values are the same， the object must be equal.
  • C、 If the hashCode values are the same， the objects might be equal.
  • D、 If the hashCode values are different， the objects must be unequal.

正确答案:C,D

第5题：

Which two statements are correct regarding default protocol preference values?（）

  • A、RIP is preferred over OSPF external routes.
  • B、Direct, local, and static routes have the same preference value.
  • C、OSPF's preference value is lower than BGP.
  • D、OSPF has a single preference value for both internal and external routes.

正确答案:A,C

第6题：

Which two statements are true about precedence values in policy?() (Choose two.)

A. 1 is the default precedence.

B. A lower number is preferred.

C. A higher number is preferred.

D. 100 is the default precedence.


参考答案：B, D

第7题：

Given the following ALTER SEQUENCE statement: ALTER SEQUENCE myseq RESTART WITH 0 INCREMENT BY 1 NO MAXVALUE CACHE 5 ORDER Assuming that the sequence had reached a value of 100 prior to the RESTART, which of the following is true?（）

  • A、The next value will be 0 and the sequence will never use the values 101 to 105.
  • B、The next value will be 101 to ensure uniqueness between existing and newly generated sequence values.
  • C、Previously cached values are retained by DB2, and after the restart, will be used for values 101 to 105.
  • D、The next value will be 0 and DB2 will not ensure uniqueness between existing and newly generated values.

正确答案:D

第8题：

Evaluate the SQL statement:SELECT ROUND(45.953, －1), TRUNC(45.936, 2)FROM dual;Which values are displayed? ()

A. 46 and 45

B. 46 and 45.93

C. 50 and 45.93

D. 50 and 45.9

E. 45 and 45.93

F. 45.95 and 45.93


参考答案：C

第9题：

Which statement is true regarding the INTERSECT operator?（）

  • A、It ignores NULL values 
  • B、Reversing the order of the intersected tables alters the result 
  • C、The names of columns in all SELECT statements must be identical 
  • D、The number of columns and data types must be identical for all SELECT statements in the query 

正确答案:D

第10题：

Which two statements are correct regarding the default protocol preference values? （）

  • A、RIP is preferred over OSPF external routes
  • B、Direct, local and static routes have the same preference value
  • C、OSPF's preference value is lower than BGP
  • D、OSPF has a single preference value for both internal and external routes

正确答案:A,C

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