How to use relational database with flutter [closed] - sql

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I'm currently making an app using Flutter. Now I really want the database to be SQL based and not NoSql like Firebase. What could be the possible options going about that? You can consider the application to be something like a social network.

If you want to save data locally on your device then you can use sqflite plugin
And for like social media application you need to access data over the internet, in this case you have to build backend system and access data throw APi, for building backend system and APi you can chose multiple options
PHP (using Laravel framework and relational database)
JAVA (using Spring boot framework and relational database)
PYTHON (Django framework and relational database)
and many more...

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How can I create an Entity Relationship diagram (ER) For BigQuery Tables/ Views [closed]

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I have some complex BigQuery views that nest each other. I would like to map them in an ER diagram so they are easier to visualize. I can do t his manually but prefer a system that can create the mapping automatically.
Are there any tools that can accomplish this?
There are not know official google tool that provides such a feature from google side. Most of the diagram tools works like retrieving the schema information from google BigQuery and paste it on its services to have an image of it. On the web, there are some tools like dbschema, dataedo, quickdatabasediagrams to count some. Even small guides from know pages like this post how-to-create-an-entity-relationship-diagram-erd-for-bigquery from medium site.
As mention on google official documentation tutorials about data visualization, It can be achieved by using pandas, notebooks, data studio although it requires some effort to have something as you envision on your question.
If you have ideas to have that feature implemented on google BigQuery you can also open a feature request on google issue tracker.

Is there an API for the Amazon Vendor Central? [closed]

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In order to manage our products easier I would like to use an API if there is any. Is there any way to manage the products programmatically? Currently, my impression is that there is only the web access, which is quite cumbersome to use if there are hundreds of products. Our data comes from another system which I would like to integrate somehow.
I know that data can be imported via Excel files to create products. If products could be also updated this way, it would an (inferior) alternative. But this is not possible. Or am I wrong?
For Amazon MWS there is the Feed API to manage products. But is there no similar API at the Vendor Central?
Amazon Vendor Central works with EDI (electronic data interchange) and does not expose an API. However, there are a number of third party services that can make it easier. Google 'amazon edi integration'.

Simple online database [closed]

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I am not an expert in servers or databases, but I have the following question.
I want to create a database online, containing basic data, that is needed for my app. I don't want to write to the database from the app at all, but read from it.
Is there any service where I can build a database online, simply without programmatic code. I am looking for a service that basically will be like excel, easy to make some tables with values, easy to change data when necessary. All the dealing with the database can be online, in a easy interface. I just need to request the data from the app, and it will be sent from the server as a json or something.
Is there any service like this?
Thanks
You can do this task with the help of phpMyAdmin.
Nowadays, most web hosting providers also provide service for database hosting service.
Whenever you choose a website hosting service, you can make a database from their cPanel and then handle it using phpMyAdmin. This tool lets you configure your databse properly with the GUI functions.

integration of Joomla with existing application [closed]

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I want to integrate Joomla with one of existing applications. My application is also in PHP but I don't want to integrate at database level instead looking for API to access Joomla features like adding page etc. JFussion is available but its functionality is only limited to user functionality
Write your own component for Joomla!, create your own API in it to get parameters and output your desired data.
As far as I know there's no component to do that out-of-the-box and if there is it may not be suitable for your needs. Writing a customized component for your own needs is the best way and it's not that hard if you can understand basic concepts of Joomla! component-creating and object-oriented php programming.
That's what I did for my own component!
This may help: Developing a Model-View-Controller Component for Joomla! 2.5

MySQL -> RESTful API [closed]

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Is there anything out there that given a MySQL database can create RESTful webservice endpoints? I'm ok with it doing stupid basic things to start with, as long as the data model is tunable after.
For bonus points it could understand foreign keys to join data, and create searching endpoints for indexed columns.
PHP REST SQL might be a starting point.
There is DBSlayer, which provides a "JSON over HTTP" interface to MySQL. It doesn't have a REST interface, though.
Check out restSQL. It's an open-source, ultra-lightweight persistence layer. It's a got enough for basic CRUD and a little bit of basic filtering support.
It has built in support for MySQL and PostgreSQL, but is architected to be extended to other RDBMSes. It runs in standard JEE containers, e.g. Tomcat, or is bundled as a Docker container.
You can take it for a spin using the sandboxed instance and explore the docs at http://restsql.org.