January 2018
Intermediate to advanced
414 pages
10h 29m
English
Content preview from Hands-On Microservices with Kotlin
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What is a SQL database?
To understand what a NoSQL database is, we first need to understand what a SQL database is. In a SQL database, the data is organized in a tabular manner. We have different tables representing collections on our database, and each of these tables contain a set of columns that define them; those columns may have attributes such as what kind of data it can store.
In each of those tables, we may have rows that represent entries in each collection. The tables themselves may have other attributes, such as indexes or keys, that allow us to search or point to particular elements on the table. Finally, those tables may contain relationships with other tables that link elements together.
All these tables, columns, and relationships ...
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