13TH EDITION TEST BANK 2026
DATABASE TEST PAPER QUESTIONS
ANSWERS GRADED A+
◉ Data type.
Answer: A detailed coding scheme recognized by system software, such
as a DBMS, for representing organizational data.
◉ Physical record.
Answer: A group of fields stored in adjacent memory locations and
retrieved and written. together as a unit by a DBMS.
◉ Page.
Answer: The amount of data read or written by an operating system in
one secondary memory (disk) input or output (I/O) operation. For I/O
with a magnetic tape, the equivalent term is record block.
◉ Blocking Factor.
Answer: The number of physical records per page.
◉ Denormalization.
Answer: The process of transforming normalized relations into
unnormalized physical records specifications
, ◉ Horizontal partitioning.
Answer: Distributing the rows of a table into several separate files
◉ Vertical partitioning.
Answer: Distributing the columns of a table into several separate
physical records
◉ Physical file.
Answer: A named portion of secondary memory (a magnetic tape pr
hand disk.) allocated for the purpose of storing physical records
◉ Tablespace.
Answer: A named set of disk storage elements in which physical files
for database tables may be stored.
◉ Extent.
Answer: A contiguous section of disk storage space
◉ Pointer.
Answer: A field of data that can be used to locate a related field or
record of data.
◉ File organization.