In which four clauses can a subquery be used?()A、in the INTO clause of an INSERT statementB、in the FROM clause of a SELECT statementC、in the GROUP BY clause of a SELECT statementD、in the WHERE clause of a SELECT statementE、in the SET clause of an UPDATE s

题目

In which four clauses can a subquery be used?()

  • A、in the INTO clause of an INSERT statement
  • B、in the FROM clause of a SELECT statement
  • C、in the GROUP BY clause of a SELECT statement
  • D、in the WHERE clause of a SELECT statement
  • E、in the SET clause of an UPDATE statement
  • F、in the VALUES clause of an INSERT statement

相似考题
更多“In which four clauses can a subq”相关问题
  • 第1题:

    Cisco Express Forwarding has been enabled on router TK1.  With CEF, prefixes that require exception processing can be cached with one of which four special adjacencies? ()

    • A、Kick
    • B、Drop
    • C、Forward
    • D、Null
    • E、Discard
    • F、Glean
    • G、Express

    正确答案:B,D,E,F

  • 第2题:

    Which three statements are true regarding subqueries?()

    • A、Subqueries can contain GROUP BY and ORDER BY clauses 
    • B、Main query and subquery can get data from different tables 
    • C、Main query and subquery must get data from the same tables 
    • D、Subqueries can contain ORDER BY but not the GROUP BY clause 
    • E、Only one column or expression can be compared between the main query and subquery
    • F、 Multiple columns or expressions can be compared between the main query and subquery

    正确答案:A,B,E

  • 第3题:

    Which four types of objects can be thrown using the throw statement?()

    • A、 Error
    • B、 Event
    • C、 Object
    • D、 Exception
    • E、 Throwable
    • F、 RuntimeException

    正确答案:A,D,E,F

  • 第4题:

    Which two statements are true about WHERE and HAVING clauses? ()

    • A、A WHERE clause can be used to restrict both rows and groups.
    • B、A WHERE clause can be used to restrict rows only.
    • C、A HAVING clause can be used to restrict both rows and groups.
    • D、A HAVING clause can be used to restrict groups only.
    • E、A WHERE clause CANNOT be used in a query if the query uses a HAVING clause.
    • F、A HAVING clause CANNOT be used in subqueries.

    正确答案:B,D

  • 第5题:

    Which two statements are true regarding the USING and ON clauses in table joins?()

    • A、Both USING and ON clauses can be used for equijoins and nonequijoins 
    • B、Amaximum of one pair of columns can be joined between two tables using the ON clause 
    • C、The ON clause can be used to join tables on columns that have different names but compatible data types 
    • D、The WHERE clause can be used to apply additional conditions in SELECT statements containing the ON or the USING clause 

    正确答案:C,D

  • 第6题:

    多选题
    Which four statements are true?()
    A

    Has-a relationships should never be encapsulated.

    B

    Has-a relationships should be implemented using inheritance.

    C

    Has-a relationships can be implemented using instance variables.

    D

    Is-a relationships can be implemented using the extends keyword.

    E

    Is-a relationships can be implemented using the implements keyword.

    F

    An array or a collection can be used to implement a one-to-many has-a relationship.


    正确答案: D,A
    解析: 暂无解析

  • 第7题:

    填空题
    A c() sentence contains two or more clauses, one of which is incorporated in the other.

    正确答案: complex
    解析: 暂无解析

  • 第8题:

    单选题
    A recently ordered server came standard with one 3.0GHz processor. It is capable of handling fourtotal processors. Which of the following processor combinations can be used in this server?()
    A

     One, two, three or four processors

    B

     One, two, or three processors

    C

     One, three, or four processors

    D

     One, two or four processors


    正确答案: D
    解析: 暂无解析

  • 第9题:

    多选题
    In which four clauses can a subquery be used? ()
    A

    in the INTO clause of an INSERT statement

    B

    in the FROM clause of a SELECT statement

    C

    in the GROUP BY clause of a SELECT statement

    D

    in the WHERE clause of a SELECT statement

    E

    in the SET clause of an UPDATE statement

    F

    in the VALUES clause of an INSERT statement


    正确答案: C,D
    解析: 暂无解析

  • 第10题:

    多选题
    Which four types of object can be thrown using the throw statement?()
    A

    Error

    B

    Event

    C

    Object

    D

    Exception

    E

    Throwable

    F

    Runtime Exception


    正确答案: E,A
    解析: 暂无解析

  • 第11题:

    多选题
    Which two statements are true about WHERE and HAVING clauses? ()
    A

    A WHERE clause can be used to restrict both rows and groups.

    B

    A WHERE clause can be used to restrict rows only.

    C

    A HAVING clause can be used to restrict both rows and groups.

    D

    A HAVING clause can be used to restrict groups only.

    E

    A WHERE clause CANNOT be used in a query of the query uses a HAVING clause.

    F

    A HAVING clause CANNOT be used in subqueries.


    正确答案: E,B
    解析: 暂无解析

  • 第12题:

    多选题
    Which four types of objects can be thrown using the throw statement?()
    A

    Error

    B

    Event

    C

    Object

    D

    Exception

    E

    Throwable

    F

    RuntimeException


    正确答案: F,D
    解析: 暂无解析

  • 第13题:

    Which four are attributes of single row functions? ()

    • A、cannot be nested
    • B、manipulate data items
    • C、act on each row returned
    • D、return one result per row
    • E、accept only one argument and return only one value
    • F、accept arguments which can be a column or an expression

    正确答案:B,C,D,E

  • 第14题:

    A recently ordered server came standard with one 3.0GHz processor. It is capable of handling fourtotal processors. Which of the following processor combinations can be used in this server?()

    • A、 One, two, three or four processors
    • B、 One, two, or three processors
    • C、 One, three, or four processors
    • D、 One, two or four processors

    正确答案:D

  • 第15题:

    Which four types of object can be thrown using the throw statement?()

    • A、 Error
    • B、 Event
    • C、 Object
    • D、 Exception
    • E、 Throwable
    • F、 Runtime Exception

    正确答案:A,D,E,F

  • 第16题:

    Which three statements are true regarding single-row functions?()

    • A、 They can accept only one argument.
    • B、 They can be nested up to only two levels.
    • C、 They can return multiple values of more than one data type.
    • D、 They can be used in SELECT, WHERE, and ORDER BY clauses.  
    • E、 They can modify the data type of the argument that is referenced.
    • F、 They can accept a column name, expression, variable name, or a user-supplied constant as arguments.

    正确答案:D,E,F

  • 第17题:

    多选题
    Which two statements are true regarding the USING and ON clauses in table joins?()
    A

    Both USING and ON clauses can be used for equijoins and nonequijoins

    B

    Amaximum of one pair of columns can be joined between two tables using the ON clause

    C

    The ON clause can be used to join tables on columns that have different names but compatible data types

    D

    The WHERE clause can be used to apply additional conditions in SELECT statements containing the ON or the USING clause


    正确答案: A,D
    解析: 暂无解析

  • 第18题:

    多选题
    Which three statements are true regarding single-row functions?()
    A

    They can accept only one argument.

    B

    They can be nested up to only two levels.

    C

    They can return multiple values of more than one data type.

    D

    They can be used in SELECT, WHERE, and ORDER BY clauses.

    E

    They can modify the data type of the argument that is referenced.

    F

    They can accept a column name, expression, variable name, or a user-supplied constant as arguments.


    正确答案: F,C
    解析: 暂无解析

  • 第19题:

    多选题
    When creating a QoS policy dialog box in Cisco UCSM, which four fields can be modified?()
    A

    name

    B

    best-effort

    C

    burst

    D

    rate

    E

    host control


    正确答案: B,D
    解析: 暂无解析

  • 第20题:

    问答题
    Which word of four letters can be added to the front of the following words to create other English words?  CARD BOX CODE BAG HASTE

    正确答案: Post.
    解析:
    postcard明信片。postbox邮箱。postcode邮递区号。postbag邮袋。posthaste特快的。

  • 第21题:

    多选题
    Cisco Express Forwarding has been enabled on router TK1.  With CEF, prefixes that require exception processing can be cached with one of which four special adjacencies? ()
    A

    Kick

    B

    Drop

    C

    Forward

    D

    Null

    E

    Discard

    F

    Glean

    G

    Express


    正确答案: B,C
    解析: 暂无解析

  • 第22题:

    多选题
    Which four can be thrown using the throw statement?()
    A

    Error

    B

    Event

    C

    Object

    D

    Throwable

    E

    Exception

    F

    RuntimeException


    正确答案: A,B
    解析: 暂无解析

  • 第23题:

    多选题
    Which four are attributes of single row functions? ()
    A

    cannot be nested

    B

    manipulate data items

    C

    act on each row returned

    D

    return one result per row

    E

    accept only one argument and return only one value

    F

    accept arguments which can be a column or an expression


    正确答案: F,E
    解析: 暂无解析