December 2016
Intermediate to advanced
492 pages
12h 41m
English
Content preview from Pivotal Certified Professional Spring Developer Exam: A Study Guide
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CHAPTER 5
Data Access
Software applications usually handle sets of data that must to be stored in an organized manner so they can be easily accessed, managed, and updated. The fact that data can be made to persist means that is can be available even when the application is down. So storage is decoupled from the rest of the application. The most common way of organizing data for storage is a database. Any storage setup that allows for data to be organized in such a way that can be queried and updated represents a database. The most widely known and used databases nowadays are relational databases (such as MySQL, PostgreSQL, and Oracle) and key-value ...
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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.