Leider ist der Eintrag nur auf Britisches Englisch verfügbar.As part of a web application I've created for a client, I've been working on efficient analysis of somewhat large datasets for some time now. This analysis often involves complexing grouping, clustering and value aggregation. SQL and PostgreSQL aggregate functions in particular come in quite handy when dealing with that kind of challenge. While RDBMS and SQL certainly are useful already just for keeping and retrieving data, i.e. for running your usual CRUD operation, ...
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