System Analysis and Design
Inverted list organization

uses an index for each key type
has records placed randomly throughout the file
Stores records sequentially but uses an index to locate records
None of these
means storing records in contiguous blocks according to a key.

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System Analysis and Design
Data manipulation language (DML)

describes how data are structured in the data base
determine how data must be structured to produce the user's view
all of the listed here
specifies for the DBMS what is required; the techniques used to process data

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System Analysis and Design
Which of the following statements, is (are) not true for the lease option

Insurance, maintenance and other expenses are included in the rental charge
All of the listed here
Lease may be written to show higher payments is early years to reflect the decline in value of the system
Lease charges are lower than rental charges for the same period and are also tax deductable.

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