Question

Sorting of relations that do not fit in memory is called
1) internal sorting
2) memory sorting
3) external sorting
4) virtual sorting

Answer 1

3 . external sorting

Answer 2

Answer:

OPTION 3) External Sorting

Explanation:

Sorting means reordering or changing the order of data .

For example : we sort data elements in a particular order in order to satisfy program logic or certain objectives in our program .

There are many types of sorting .

Sorting can be done in several ways too .

We can store the data somewhere else in another variable or we can directly sort by performing certain steps.

External sorting refers to the sorting of huge amount of data .

These data are not included and not fit in the main memory .

Internal sorting is sorting of small amounts of data .

All the other types of sorting mentioned in the Options are included in the memory except external sorting .