Multiple Choice
Which statement is not correct? The VSAM structure
A) is used for very large files that need both direct access and batch processing.
B) may use an overflow area for records.
C) provides an exact physical address for each record.
D) is appropriate for files that require few insertions or deletions.
Correct Answer:
Verified
Correct Answer:
Verified
Q1: View modeling includes<br>A) constructing a data model
Q4: When a large portion of the file
Q7: It is appropriate to use a sequential
Q7: Each of the following is a relational
Q8: What is a hashing structure? What are
Q14: Give three examples that illustrate how cardinality
Q32: A table in third normal form is
Q43: The most serious problem with unnormalized databases
Q53: Data normalization groups data attributes into tables
Q80: A table is in first normal form