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I'm currently building a Hybrid mobile app using ionicframework,angularjs and cordova,in my app i will need some data storage such as all users details.
What i'm trying to figure out is how to update the database for all users,for example if a new user signs up,he should be added to the database and everyone else should be able see his profile instantly,i'm thinking the database should be shared online instead of just updating the local database installed with the app,i'm currently using SQLite plugin to store such data but i'm not sure if it's the right choice for my case.
Does anyone know how to reach what i want ? i would appreciate any help.
Thanks.
Too many users then no point in storing and syncing. Creates more data inconsistency issues and resource consumption.
Online is the way to go.
If there is a subset of users whom u want to store information then thats an option.
Like watsapp stores and syncs information of those who are on your contact or chats only and not the whole watsapp db.
Thank you guys,after a lot of research,few days ago i decided to use Firebase,it's really powerful and works perfectly with angularJS and ionicframework which i'm using to build my app. I would really recommend it in situations similar to mine.
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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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This question is a little more generic, a brainstorm one. I'm about to develop a small website, and I still don't know if it’s better for me to store my “Text” (to fill Labels, Messages, etc) data on the Database or just on the frontend.
I know that for a fact, consulting the BackEnd Database is slower than just searching a specific file, but it’s also better to update the list later-on (when the website is developed) by just running a script.
I want to know some opinions, experiences, advantages and disadvantages about both.
Edit: For the technologies, i was thinking in using ExtJS with a Java Backend, I'm not quite sure about the BD yet.
Consider what data you are storing and the purpose of your website.
Advantages of front end storage: quicker
Advantages of database storage: more secure/structured
If your strings are sensitive then I would secure them in your database. Any client information, including "Text" data should be stored on the back end. If the strings are only relevant to you as the site owner then I don't see a problem with storing them on the front end.
Also perhaps specify which technologies you are using to build this site to get more specific responses.
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For a small start-up mobile app/website what options are there for storing its data? I.e. Physical server or cloud hosted data base such as azure.
Any other options or insight would be helpful thank you!
Edit:
For some background I'm looking at something that users could regularly upload data to and consumers could query to find results through an app or website.
I guess it depends on your work load and also on the your choice of data store. Generally, SQL based storage are costlier on cloud based solution due to the fact that those can be only vertically upgraded whereas no-sql ones are cheaper.
So according to me you should first decide on your choice of data-store, which depends on following factors:
The type of data; is your data structured or it falls under non-structured category?
Operations that you will perform on the data. Do you have any transactional use-cases?
Write/Read pattern; is it a read heavy use case or a write heavy one ?
These factors should help you decide on an appropriate data-store. Each database has its own set of advantages and disadvantages. The trick is to choose one based on your use cases and above mentioned factors.
Hope it helps.
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I am new to both responsive web design and angular and I am working on building a web page that will access database and display things based on data in one of the SQL Server tables. Could someone please point me in the right direction of what can i use to grab data from the database? Do I need a web service? data component? what technology would be best to use?
For the responsive aspect, you can use simple CSS, media queries or any library designed for this purpose (like Twitter-bootstrap for example).
AngularJS won't access database directly since it's a client-side language. You will need to build a server-side application to access the database. Then, your Angular components can call your server-side application to retrieve data.
AngularJS modules + any-technology web-service can be a suitable solution.
The choice of a technology over another highly depends on your needs and constraints. Unless you can ask more precise questions, we cannnot help so much.
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We've made this monitoring tool at our company.
It's not in our line of business so we might as well opensource the tool, and maybe someone else likes it as well, maybe they'll contribute.
The tool runs on AppEngine, so there are so the are some paths in the appengine configuration, that might be a good idea to keep hidden. Unless someone else wants to start using our appengine qouta.
Is there a best practice for open-sourcing AppEngine applications?
Does anyone have any experience to share regarding opensourcing appengine sites?
You can get some ideas from excellent gae-init. The way its working in order to avoid exposing sensitive information, is moving it in a stand alone project, you can even use gae-init for that ;)
As part of the model is a Config class which holds all the information as it concerns the service and its dependencies. There are some default values there but it can also be easily customized from a web interface called admin. Have a look.