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Closed 10 years ago.
I am currently designing an app to upload and download files from a server. I want to know what type of server to implement that would be robust enough to handle a lot of data per user and a lot of users.
I realise this is probably a very broad and slightly naive question.
I have done some research I think I have to get a SQL server and create a web service for the database and implement a REST system for interfacing with the service on the device side.
Regards, J
It's not a naive question per se, but you need to provide way more information than that.
If you just like to transfer files: Why not go with the simple, but effective FTP-protocol?
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Closed 9 years ago.
I was doing some analysis for working on creation of a real estate site.
I need to fetch data from www.mls.ca
Now i am not sure on two things:
1. Is it legal to fetch data from that site for commercial purpose.
2. How do i pull the data from the site (i. Do i need to take the data every time and keep updating my db, ii. Do i need to get any db credentials from the mls site), i am a java developer so any hints on that line would be helpful.
Please help me with the process of fetching data from www.mls.ca
I'm not entirely clear what you intend to do, however, Spark looks promising, though. Please provide a specific question, so I can help you further.
It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.
Closed 10 years ago.
I am getting involved in a new world.. database sync. I use SQL Server, and I have one local database and another one in the cloud. I am trying to sync those two databases just by pressing a button.
Does anybody has any experience doing these?
Thanks
Your question is very vague and as such, my answer may seem vague too.
When generally speaking of syncing Local <==> Cloud I have personally been using a third party tool called RedGate SQL Toolbelt. The product is slightly on the pricey side, but the benefits offered are immense! You can easily compare and deploy structure and data changes at the click of a button.
(I have no affiliation to the product)
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Closed 11 years ago.
How to make standalone database application like metastock, tradestation etc. ?
They colud handle some what large amount of database and those database files can take one computer to another.
It is possible to read, write or delete data of those database from the application.
Can anybody have any idea of how those applications are working? And what type of database they are?How to develop an database system like this? If you know know anything about it, Please share it. Thaks in advance.
Well, if you're just looking for a standalone db, you could do it in access but I don't know how big you are going to want it to get, so access may be limiting.
MYSQL is also another option (mostly as it's free for the common folk).
look into sqlite. It's very portable. However it can't handle concurrent queries.
http://www.sqlite.org/
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Closed 11 years ago.
Which database is secure for web application for avoiding hacking
They're mostly all secure (though you can subscribe to any vulnerability announcement mailing lists... so if a major security flaw shows up in the next few years, you will have time to react).
Security issues are mostly design flaws, for example SQL injection, unescaped content that you print out directly onto your webpage, etc.
To learn some of the basics of web design security, you may wish to do all the tutorials on http://google-gruyere.appspot.com/
There's no guarantee that any software can be made immune from hacking. All databases can be made to work if secured properly; all of them are vulnerable if not. No one can say that database X is always secure.
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Closed 12 years ago.
By what mechanism does LinkedIn tell so fast, on group page, the connections of user who are also a part of that group?
I don't have any inside knowledge of Linkedin source code but I do know that they are the founding contributors of the nosql distributed key-value database Project Voldermort http://project-voldemort.com/. These kinds of systems are architected to return queries blazingly fast. They are often ideal for write seldom/read often scenarios and tend to sacrifice consistency for high scalability and availability.