27 Oct '12, 3pm

[LINK] Using MongoDB to store and retrieve CSV files content in Ruby | Running with Rails

There come cases, when we want to store CSV or any other sort of files data in a database. The problem occurs when the input files differs (they might have different columns). This would not be a problem if we would be able to know the files specification before parsing and inserting into DB. One of the solutions (the fastest) would be to store them in separate DB tables (each filetype / table). But what we should do, when column amount and their names are unknown? We could use SQL database, create table for data and another table for mapping appropriate DB columns to CSV columns. This might work, but it would not be an elegant solution. So what could we do? MongoDB to the rescue! This case is just perfect for MongoDB . MongoDB is a scalable, high-performance, open source NoSQL database that allows us to create documents what have different attributes assigned to them. To ...

Full article: http://dev.mensfeld.pl/2012/10/using-mongodb-to-store-and...

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