Which one of the four keywords in SQL is used to pick which fields will be in the query?
A. SELECT
B. FROM
C. WHERE
D. GROUP BY
Answer: A
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Draw a precedence graph for each of the schedules (a) – (e) in the previous exercise.
(a) read(T1, balx), read(T2, balx), write(T1, balx), write(T2, balx), commit(T1), commit(T2) (b) read(T1, balx), read(T2, baly), write(T3, balx), read(T2, balx), read(T1, baly), commit(T1), commit(T2) (c) read(T1, balx), write(T2, balx), write(T1, balx), abort(T2), commit(T1) (d) write(T1, balx), read(T2, balx), write(T1, balx), commit(T2), abort(T1) (e) read(T1, balx), write(T2, balx), write(T1, balx), read(T3, balx), commit(T1), commit(T2), commit(T3)
The ________ is at the top of a Word window, containing the file name and the Quick Access Toolbar
Fill in the blank(s) with correct word
The top of the DNS hierarchy is called the ________domain
Fill in the blank(s) with correct word
To uninstall or run many programs in Windows with administrative privileges, you can right-click the program and select ______________.
Fill in the blank(s) with the appropriate word(s).