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Question ID 1742

In which three cases would you use the USING clause? (Choose three.)

Option A

A.    The tables to be joined have columns of the same name and different data types.
 

Option B

B.    The tables to be joined have multiple NULL columns.

 

Option C

C.    You want to create a nonequijoin.
 

Option D

D.    You want to use a NATURAL join, but you want to restrict the number of columns in the join condition.
 

Option E

E.    The tables to be joined have columns with the same name and compatible data types.

Correct Answer A,D,E
Explanation


Question ID 1743

For which two actions can you use the TO_DATE function? (Choose two.)

Option A

A.    format 'January 10 1999' for input
 

Option B

B.    convert any numeric literal to a date
 

Option C

C.    format '10-JAN-99' to 'January 10 1999'
 

Option D

D.    convert any date literal to a date

 

Option E

E.    convert any date to a character literal

Correct Answer A,D
Explanation

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