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Which three are true regarding the use of outer joins？（）

A. You cannot use IN operator in a condition that involves an outerjoin.

B. You use () on both sides of the WHERE condition to perform an outerjoin.

C. You use (*) on both sides of the WHERE condition to perform an outerjoin.

D. You use an outerjoin to see only the rows that do not meet the join condition.

E. In the WHERE condition, you use () following the name of the column in the table without matching rows, to perform an outerjoin.

F. You cannot link a condition that is involved in an outerjoin to another condition by using the OR operator.

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更多“Which three are true regarding…”相关的问题

第1题

Which three are true regarding the use of outer joins？（）

A. You cannot use IN operator in a condition that involves an outerjoin.

B. You use () on both sides of the WHERE condition to perform an outerjoin.

C. You use (*) on both sides of the WHERE condition to perform an outerjoin.

D. You use an outerjoin to see only the rows that do not meet the join condition.

E. In the WHERE condition, you use () following the name of the column in the table without matching rows, to perform an outerjoin.

F. You cannot link a condition that is involved in an outerjoin to another condition by using the OR operator.

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第2题

What is true regarding subqueries？（）

A. The inner query always sorts the results of the outer query

B. The outer query always sorts the results of the inner query

C. The outer query must return a value to the outer query

D. The inner query returns a value to the outer query

E. The inner query must always return a value or the outer query will give an error

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第3题

Which three statements are true regarding the use of the Database Migration Assistant for Unicode（DMU)？（）

A. A DBA can check specific tables with the DMU

B. The database to be migrated must be opened read-only.

C. The release of the database to be converted can be any release since 9.2.0.8.

D. The DMU can report columns that are too long in the converted characterset.

E. The DMU can report columns that are not represented in the converted characterset.

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第4题

Which of the following statements is TRUE regarding crane operations ________．A.Radio comm

Which of the following statements is TRUE regarding crane operations ________．

A.Radio communications allow the crane operator to disregard the use of hand signals

B.The crane operators and signalman must be familiar with the correct hand signals

C.The forward cranes can be operated from the bridge

D.The aft cranes can be operated from the aft steering station

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第5题

Which statements are true regarding classless routing protocols？（）

A. The use of discontiguous subnets is not allowed

B. The use of variable length subnet masks is permitted

C. RIP v1 is a classless routing protocol

D. IGRP supports classless routing within the same autonomous system

E. RIP v2 supports classless routing

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第6题

Exhibit: Which of the following are true regarding the command output shown in the display （Choose two.)（）。

A.There are at least two routers participating in the RIP process.

B.A ping to 192.168.168.2 will be successful.

C.A ping to 10.0.15.2 will be successful.

D.RtrA has three interfaces participating in the RIP process.

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第7题

Which of the following a true statements regarding the use of VLANs to segment a network？

(Select three)

A. They increase the size of collision domains

B. They allow logical grouping of users by function.

C. They can enhance network security.

D. They increase the size of the broadcast domain while decreasing the number of collision domains.

E. They increase the number of broadcast domains while decreasing the size of the broadcast domains.

F. They simplify switch administration.

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第8题

Which of the following statements is NOT true？A．The Americans use "line" for which the Bri

Which of the following statements is NOT true？

A．The Americans use "line" for which the British people use "queue".

B．The Americans use "French fries" for which the British people use "chips".

C．The Americans use "crisps" for which the British people use "chips".

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