July 2013
Intermediate to advanced
487 pages
15h 11m
English
Content preview from Cloud Database Development and Management
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96 ◾ Cloud Database Development and Management
e value in the column Dean is the faculty ID. e relationship is a nonidentifying rela-
tionship. Since each faculty member is related to the dean, the column Dean cannot have a
null value.
Sometimes, you may encounter a many-to-many recursive relationship. For example, in a
course catalog, a course may have several prerequisite courses and many courses may require
the same course as a prerequisite. e relationship between the courses and the prerequisites
is an M:N recursive relationship. To represent the M:N recursive relationship, you have to
add an intersection relation in the relat ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.