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  • ...uce]] named as two higher-order functions from many functional programming languages which are applied during these steps. MapReduce libraries have been written in many programming languages, with different levels of optimization. A popular open-source implementatio
    17 KB (2,546 words) - 12:34, 21 January 2019
  • ** Functional indexes (expressional indices) allow you to create indexes using function v ...ser can customize the system by defining new functions, aggregates, types, languages, indexes, and operators. PostgreSQL object-orientedness allows you to trans
    25 KB (3,712 words) - 13:34, 21 January 2019