6a) Which type of file is easiest to update? A) Sequential B) Hashed C) Indexed D) Clustered 6b) A factor to consider when choosing a file organization is: A) inefficient data retrieval. B) DDL. C) efficient storage. D) DML. 6c) One field or combination of fields for which more than one record may have the same combination of values is called a(n): A) secondary key. B) index. C) composite key. D) linked key.
6a) Which type of file is easiest to update?
A) Sequential
B) Hashed
C) Indexed
D) Clustered
6b) A factor to consider when choosing a file organization is:
A) inefficient data retrieval.
B) DDL.
C) efficient storage.
D) DML.
6c) One field or combination of fields for which more than one record may have the same combination of values is called a(n):
A) secondary key.
B) index.
C) composite key.
D) linked key.
6d) In which type of file is multiple key retrieval not possible?
A) Sequential
B) Hashed
C) Indexed
D) Clustered
6e) A file organization that uses hashing to map a key into a location in an index where there is a pointer to the actual data record matching the hash key is called a:
A) hashed file organization.
B) hash key.
C) multi-indexed file organization.
D) hash index table.
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