When a field does not contain a value, either because that value is unknown or inapplicable, it is called a(n) ____ value.
A. void
B. empty
C. null
D. redundant
Answer: C
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An ideal hash algorithm will require a cryptanalytic effort __________ the brute-force effort.
A. less than or equal to B. greater than or equal to C. less than D. greater than
Order the following operators from lowest to highest precedence.
!= % + = ! && >
Match each item with a statement below.
A. A field that contains an expression B. A combination of fields, values, and mathematical operators C. A database object that extracts data D. When the primary key field in one table is associated with multiple records in a second table E. Conditions that must be met
Describe how is the data bar conditional formatting helpful when reviewing a column of data.
What will be an ideal response?