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Fixed Price: $100 - $500   |  Posted: Jul 09, 2014  |  Ends: 13d, 12h  |   4 Proposals
We require an implementation of (  [obscured]  ) to monitor changes in a PostgreSQL database. This assignment has two parts: Client implementation - You'll develop a simple client-side app in HTML, jquery, etc. and use the library to subscribe to different "namespaces" and "rooms". You should show this working by updating the client in some rudimentary way. Server implementation: This is the meat of the project. You'll be implementing the backend using node.js and creating a variety of rooms and namespaces that can be subscribed to. You'll need to have at least two variants, one that checks a PostgreSQL SQL query with arguments and checks for changes, and one that checks a PostgreSQL stored procedure/function with arguments and checks for changes. Your database communication should allow for arguments of different types, including arrays, and composite types. There should be libraries that exist that do this, if not, composite...
Category: Web Programming       
Skills: jQuery, PostgreSQL Programming, Node.js       

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