An example of an open source OS is
a. Windows.
b. OS X.
c. Linux.
d. DOS.
C
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Consider a relation s over the attributes A and B with the following characteristics:
• 5,000 tuples with 10 tuples per page • A 2-level B+ tree index on attribute A with up to 100 index entries per page • Attribute A is a candidate key of s The values that the attribute A takes in relation s are uniformly distributed in the range 1 to 100,000. (a) Assuming that the aforesaid index on A is unclustered, estimate the number of disk accesses needed to compute the range query ?A>1000 ? A<6000(s). (b) What would be the cost if the above index were clustered?
Bar, line, pie, organizational and flow are types of _______________.
Fill in the blank(s) with the appropriate word(s).
?Consider the Hub in Microsoft Edge as __________.
Fill in the blank(s) with the appropriate word(s).
A site license gives permission for you to install and use the software on only one computer.
Answer the following statement true (T) or false (F)