Category: Uncategorized

Memory is selective in nature.

Anecdotal evidence is reliable:

What one perceives is never shaped by what one expects.

Everything that’s physically possible is also logically possible.

If someone experiences the external world a certain way, then the external world is that way.

If we can’t give a scientific explanation of a phenomenon, then that phenomenon must have a supernatural/paranormal explanation.

No deductive arguments are cogent.

Without the laws of thought, communication would be impossible.

Given two files A and B and each file include 3 pages (each page contains 4 entries only) as shown as the following: A: [[1,5, -6,2], [6,4,-10,3],[20,8,-12,7]] B: [[5,6,7,1], [-10,1,2,-3], [-8,11,-15,6]] Assume you have 3 buffer pages in the main memory.            Show the 2-way merge sort (sort each page separately in the first pass, and then merge in the subsequent passes) procedure for the given example.     2. Compute the I/O cost for this procedure (rounding the value up)

What is the information stored in a catalog of database (in which metadata is stored) ?