A
Insert is expensive.
close D
Insert is expensive.
close
Which of the following best describes the costs of the operations insert, delete and seek on a table where records are stored in primary key order? Deleted records may be "flagged".
insert and delete are cheap, seek is expensive
insert and delete are expensive, seek is cheap
insert is expensive, delete and seek are cheap.
insert, delete and seek are all cheap
insert, delete and seek are all expensive
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