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what is the difference b/w sequential and ESDS
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Answer Posted / pramod reddy
1) ps files are created on both disk nd tape.but in esds only disk.
2) in ps, records can be deleted,but in esds not deleted.
3) alternate index is not created in ps,but in esds it is possible.
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difference between vsam and database tables
Explain the index set?
is delete operation supported in an esds? Is rewrite operation possible in esds?
How does control intervals and control areas related to each other?
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 are the common vsam error conditions and codes?
What is recovery parameters in define cluster command?
What does the keyranges parameter in define cluster command do?
what do you mean by a upgrade set in vsam?
Tell about the ams used in vsam?
Explain the device independent method to indicate where a record is stored?
What are the access method services used in vsam?
What are the different commands used in idcams for vsam?
Differentiate between control interval (ci) and control area (ca)?
in a cobol select statement for a ksds can you tell me what are the 3 possibilities for access?
