Which of the following is NOT listed in the text as being part of the checklist for evaluating the record set of a query?
A) Observe the number of rows and columns.
B) Look at data in the record set to see that it matches with criteria.
C) Evaluate if joins are removing required data from the set.
D) Check results of any calculated fields.
A
Computer Science & Information Technology
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Select the false statement.
a. C++ imposes no structure on a file. b. C++ files include information about their structure. c. The programmer must impose a structure on a file. d. C++ files do not understand notions such as “records” and “fields.”
Computer Science & Information Technology
Name at least two ways to get better selection accuracy.
What will be an ideal response?
Computer Science & Information Technology