In which of the following scenarios would you recommend using PL/SQL records?
A.
when you want to retrieve an entire row from a table and perform calculations
B.
when you know the number of elements in advance and the elements are usually accessed
sequentially
C.
when you want to create a separate lookup table with multiple entries for each row of the main
table, and access it through join queries
D.
when you want to create a relatively small lookup table, where the collection can be constructed
in memory each time a subprogram is invoked
Explanation:
c and d
Where did you get the answer A and D from?
How did you come to that conclusion?
Answer A for :records
Answer B for :varrays
Answer C for :nested tables
Answer D for :associative arrays
Answer should be A.
It’s not C and D since it is clearly mentioned in the Oracle docs that C-nested tables and D-associative arrays.
http://docs.oracle.com/cd/B28359_01/appdev.111/b28370/collections.htm#CJAEJIAI
A is an answer
a
A
A
A
a
Only A!