Sorting and merging of files


Question 1: Illustrate the meaning of the term sorting?

Question 2: Describe the concept of sort-key? Is it possible to sort a file on more than one key?

Question 3: Give your comments on the given:

SORT ON ASCENDING KEY STU-ID-NUM
USING STU-RECORDS-FILE
GIVING SORT-OUT-FILE.

Find out the major key, minor-key and the final sorted file.

Question 4: Given two sorted files FILE-A and FILE-B. Write down a program in the COBOL to merge these files into FILE-C by using MERGE verb?

Question 5: Distinguish between sorting and merging of files.

Question 6: Write down a COBOL program to merge FILE-A, FILE-B and FILE-C to produce merged file MERGE-FILE as illustrated in table below:

FILE-A     FILE-B      FILE-C      MERGE-FILE
10             20            15               10
30             40            25               15
50             60            35               20
70                                               25
                                                  30
                                                  35
                                                  40
                                                  50
                                                  60
                                                  70  

Request for Solution File

Ask an Expert for Answer!!
COBOL Programming: Sorting and merging of files
Reference No:- TGS08348

Expected delivery within 24 Hours