A row that provides summary functions and displays as the last row in an Excel table is the ________ row
Fill in the blank(s) with the appropriate word(s).
Answer: Total
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What fact-finding methods could you use to collect information from employees at ColonialMovers? Suggest at least three methods, and explain the pros and cons of each.
What will be an ideal response?
Explain why serial equivalence requires that once a transaction has released a lock on an object, it is not allowed to obtain any more locks.
A server manages the objects . The server provides two operations for its clients:
read (i) returns the value of
write(i, Value) assigns Value to
The transactions T and U are defined as follows:
T: x= read (i); write(j, 44); U: write(i, 55);write(j, 66);
U: write(i, 55);write(j, 66);
Describe an interleaving of the transactions T and U in which locks are released early with the effect that the interleaving is not serially equivalent.
Pseudocode commands:
a. Are always capitalized b. Never use the assignment statement. c. Use variable names with embedded blank spaces. d. Do not end. e. None of the above.
A rule that keeps related values synchronized
A) Referential integrity B) Data duplication C) Data redundancy