December 2014
Intermediate to advanced
852 pages
17h 57m
English
Content preview from Joe Celko's SQL for Smarties, 5th Edition
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Chapter 29
Queues
Abstract
Queue is a fancy name for a waiting line. The basic idea is that things enter one end of the queue (the tail), wait for awhile, and get serviced at the other end of the queue (the head). This is what happens to people in a grocery store checkout line or to DVDs in a Netflix list.
Keywords
Dequeue
Enqueue
FIFO
LIFO
Netflix
Priority queues
Rearrangement
Waiting line
Queue is a fancy name for a waiting line. The basic idea is that things enter one end of the queue (the tail), wait for awhile and get serviced at the other end of the queue (the head). This is what happens to people in a grocery store checkout line or to DVDs in your Netflix list.
Each element has a position in the queue, so we know that a table to model ...
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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.