What is an index? Compare the concept of the index in a book to an index in an information system.
Using The Prophet (Kahlil Gibran) as a reference, create a short position paper on the topic of personal strategy.
August 5, 2017What is the significance and nature of Cain and Abels gifts? i.e., what was the basis of their acceptance or rejection?
August 5, 2017What is an index? Compare the concept of the index in a book to an index in an information system.
Assignment 1-due 8/8
- Describe the following disk concepts or components.
- Platter and recording surface.
- Track.
- Cylinder.
- Read/write head.
- Access-arm mechanism.
- Describe the four steps in the transfer of data from
disk to primary memory.
- What is an index? Compare the concept of the index
in a book to an index in an information system.
- What is an indexed-sequential file?
- Describe how a direct search works using a B+-tree
index.
- Answer the following general questions about
indexes:
- Can an index be built over a non-unique field?
- Can an index be built over a field if the file is not
stored in sequence by that field?
- Can an index be built over a combination of fields
as well as over a single field?
- Is there a limit to the number of indexes that can
be built for a file?
- How is an index affected when a change is made
to a file? Does every change to a file affect every
one of its indexes?
- Can an index be used to achieve sequential
access? Explain
- Describe how a direct search works in a hashed file
using the division-remainder method of hashing.
- What is physical database design?
- Describe why physical database design is necessary.
