What is Loop?
What will be an ideal response?
The term loop means to execute a statement or block of statements one or more times.
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What is the cardinality of the Professor relation?
Consider the join Professor Id=ProfId Teaching used in the running example of Section 11.3. Let us change the statistics slightly and assume that the number of distinct values for Teaching.ProfId is 10,000 (which translates into lower weight for this attribute).
In a database, data is stored in a ________
A) table B) report C) form D) query
A(n) ____ is any combination of constants, variables, and function calls that can be evaluated to yield a result.
a. expression b. identifier c. class d. object
Which three PCIe cards would work in a PCIe x8 expansion slot? (Select three.)
A) PCIe x1 B) PCIe x2 C) PCIe x3 D) PCIe x4 E) PCIe x6 F) PCIe x7