By seeing the file itself how can we identify whether it is
A vsam file or flat file
Answer Posted / prameela
BY seeing file we can say whether it vsam file or flat file(PS file)
if VSAM file will have below things
KSDS
1.name of the file
2.In the name of the file last qualifier will have data as qualifier
3.will have word index as last qulifier in the name of the file
Esds,RRDS,LDS will have only 1 and 2 specified in the above
FLat file will have only name of the file
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
What is the use of access method services in vsam?
How is the sorting of vsam files carried?
what is the meaning of each of the values in shareopts(2 3)?
What is the difference between lds and esds?
what do you mean by a upgrade set in vsam?
Explain the function of the relative record data set?
What is the purpose of idcams?
Explain the process in which flat files are converted into vsam files?
What are the different dataset organizations used in vsam?
Explain about the file objects in vsam?
What are the advantages of vsam over isam?
What are the different commands used in idcams for vsam?
OPEN INPUT StudentFile READ StudentFile AT END SET EndOfStudentFile TO TRUE END-READ PERFORM UNTIL EndOfStudentFile DISPLAY StudentId SPACE StudentName SPACE CourseCode SPACE YOBirth READ StudentFile AT END SET EndOfStudentFile TO TRUE END-READ END-PERFORM CLOSE StudentFile STOP RUN what will be output
What is the main purpose of having user catalog in vsam?
can you specify some the distinctive features of a ksds, key sequenced dataset?