SQL databases have constraints on data types and consistency. NoSQL does away with them for the sake of speed, flexibility, and scale. One of the most fundamental choices to make when developing an ...

Online transaction processing systems are purpose-built to handle large numbers of transactions by large numbers of concurrent users, while guaranteeing the integrity of the data. Online transaction ...

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In 2005 when Google was a $6.1 billion business, the database that underpinned the company’s primary cash cow – it’s AdWords online advertising platform that accounted for more than 95% of its revenue ...