September 2019
Beginner to intermediate
494 pages
13h
English
Content preview from Hands-On Application Development with PyCharm
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SQL fundamentals
A comprehensive discussion on SQL will not be covered here, as it is beyond the scope of this book. However, there are a few common SQL commands to create and manipulate entries in a database table that you can try on our current data. They are as follows:
- SELECT: This command is used to query data from one or multiple tables. By specifying attribute (row) names in this command, you can specify which attributes from the tables to be queried should be returned. You can also use * to indicate that all attributes should be returned.
- INSERT: This command adds new entries (rows) into a given database table. Within an INSERT command, you specify the value of each attribute the new entry should hold; otherwise, the default values ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.