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Can anyone explain the major differences between the firebase "database" and the firebase "cloud functions". It is my understanding database is where you store information for your application, but how does the cloud functions work? Is this the same database, or a separate one?
The Firebase Realtime Database is a NoSQL database. Cloud Functions for Firebase are functions you can run based upon events triggered by Firebase features, including the Database, Cloud Storage, Authentication, and Analytics. Cloud Functions are not a database at all. The code for Cloud Functions is stored in Google's cloud and runs in a managed environment. Please see the documentation for more information on Cloud Functions for Firebase and the Realtime Database.
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I have been thinking of making a program to use in my company. I would like to store information in a (local) database and use this to keep track of the payments of my clients. I am most experienced in programming in Java. Do you have any suggestions for these databases?
I believe you are probably looking for SQLite. It is very light, basic, works with SQL,but doesn’t have any built in relational methods to link multiple tables together(JOINS, etc). As you mentioned you’ll be using Java, here’s the SQLITEJDBCPackage. Also, here’s a blog that can help you get started.
On the other hand, there is a wide variety of databases present in the market like:
RDBMS: MySQL, PostgresSQL
NoSQL: MongoDB(can run on cloud and locally), Neo4J
Time Series Database(If you storing IOT or time dependant data): InfluxDB
Cloud Databases(Might not be relevant to you since you want a local setup, but just to help you understand better): Firebase, Neo4J, MongoDB, AWS RDS, etc.
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Is it possible to deploy a react-redux application to the cloud foundry environment of the SAP Cloud Platform and is it a supported way of the new SAP Cloud Application Programming Model ?
I cannot find any official resources on that so far.
Sure you can do it. You can build a CAP backend app (with a HANA db for example), add an HTML5 frontend app with any framework you like (React, Angular, Vue, etc...) and glue it all together with the App Router, for dispatching your calls.
Here explained step-by-step how to do this:
https://blogs.sap.com/2020/09/01/how-to-build-end-to-end-custom-applications-in-cloud-foundry/?update=updated
To answer your first question, Yes It should be possible to deploy a react-redux based JavaScript application on SAP CF. You can use the static buildback for on cloud foundry. You can check the documentation here.
To answer your second question, I am not completely sure about that, But you can use CAP to generate your database and OData services, and consume them in your application. Additionaly you can check SAP fundamental react
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I need to create an application to search for image, video and text files stored in Google Cloud Storage based on their metadata. For example, when the user performs a car search in the application, it should query all files stored in Google Cloud Storage, read its metadata, and return only the files that match the search.
I am thinking of using the following architecture:
Cloud Storage to store files and metadata
App Engine to host the Java application
But I'm still not sure if this architecture is the most appropriate. I'm also not sure about the process to fetch the files in Cloud Storage and then read their metadata. This seems to me that it will greatly impact the performance of the application.
Has anyone had experience on a similar project and could share some tips?
Thank you.
I agree with your choice, you can choose between App Engine Standard o Flexible, I would like to add that the App Engine Standard manages Java 8, if you want a different runtime, you can choose App Engine Flexible, and Cloud Storage is the correct choice if some images are managed in the App.
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I am wanting to store my health app in the cloud using Amazon Web services but am wondering which would be the better option of database to use..
Currently my code is stored in ActiveAndroid using annotations so I would have to change it all anyway so which is the better option for me.. DynamoDB or Lambda? ( or something else)??
Answers would be greatly appreciated
AWS Lambda is not a database, and you can't store any data on Lambda at all.
I think DynamoDB is probably the best service for your app's data storage, but you should really spend more time looking at the different AWS services and read about what they are.
Lambda basically just stores key-value pairs, so if you have a simple schema, it's wonderful. However, if you need any kind of relationships between tables or want to query using SQL, you are better off using RDS.
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Which do you think is easier for a beginner who lacks of knowledge of setting up a server?
Or, in other words: if I want to start a website, is learning the infrastructure of Google App Engine or learning the normal way to host a website easier?
I have spent some time learning Django, Python, AngularJS and Google App Engine.
AppEngine is PaaS - you can host there your apps. So you do not have to deal with the servlet container, datastore, cron jobs, scaling etc.
Compute Engine is Google's IaaS - you get a VM and you can do with it whatever you like.
Basically these 2 are completely 2 different things, for different use cases. What do you have? an app? or do you need to install other things on the machine? After you come up with answers to this, you will have the answer...