Version: GeneXus 18

Backend Development

Access to non-relational databases (NoSQL) in GeneXus

A non-relational database is one that does not use the tabular schema of rows and columns found in most traditional database systems. Instead, non-relational databases use a storage model that is optimized for the specific requirements of the type of data being stored. For example, data can be stored as simple key/value pairs, as JSON documents, as time series, or as a graph consisting of edges and vertices.


The term NoSQL refers to databases that do not use SQL for queries. Instead, they use other programming languages and other constructs to query the data. In practice, "NoSQL" means "non-relational database," although many of these databases do support SQL-compatible queries.


GeneXus provides support for working with these databases, including DynamoDB.

Total length of videos: 2 hs aprox.

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Presentation

Even though GeneXus allows us to generate End-to-End applications—that is to say, it generates the front end, the back end, and the database—the implementation of increasingly complex digital systems makes it necessary for developers to know and specialize in the different parts that make up the systems. 
 
Back-end developers work on the implementation of objects that contain the logic of an application running on the server, as well as data storage, development of interfaces to interact with the application (APIs), integration with other systems through web services, invocation of remote procedures (RPC), import of binaries, structured data (JSON or XML) and other resources, architecture and development of components that consume and publish services (such as SOA or microservices implementation), interaction with data from different databases or repositories, and other server-side functions.