Achieved by building index on the other field

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Reference no: EM132237733

1. If a file is hashed on one field, direct access based on another field can be achieved by building an index on the other field.

1) True

2) False

2. Hashed files _____.

1) are stored in physical sequence based on the hashed field values

2) can be hashed separately on different fields simultaneously, just as indexed files

3) can have indexes built separately on different fields simultaneously never need to be reorganized

4) can also have indexes built over them

5) cannot also have indexes built over them

3. All of the following are steps in finding and transferring data from disk, except _____.

1) seek time

2) head switching

3) rotational delay

4) scan time

5) transfer time

Reference no: EM132237733

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