What kind of indexing is usually needed to efficiently evaluate the following query?
SELECT E.Id
FROM Employee E
WHERE E.salary <= 100000 AND E.salary >= 30000
Secondary B+ tree index with search key salary
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The software that locates, displays web pages, and navigates through web pages is a ________
A) software suite B) search engine C) web browser D) hyperlink
Which statement is false?
a. When a method call is made, the called method must know how to return to its caller, so the return address is pushed onto the program execution stack. b. Stacks support recursive method calls in the same manner as conventional, nonrecursive method calls. c. The program execution stack contains the space created for a method's global variables on each invocation of that method during a program's execution. d. When a method returns to its caller, the memory for that method's local variables is popped off the stack and those variables are no longer known to the program.