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Displaying posts with tag: append-only (reset)

Tips for working with append-only databases using sharding and log structured tables
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This post is structured like a series of questions and answers in a conversation.  I recently had a number of conversations that all pretty much went this same way.  If you, like others, have many basic questions about how to proceed when faced with an append-only store for the first time, well then hopefully this post will help provide some answers for you.  The post focuses on column stores, the most common append-only store, but there are others.

Why do I want to use a column store?

Column stores are optimal for OLAP analysis

Column stores offer substantial performance increases for OLAP  compared to row stores.  Row stores are optimized for OLTP workloads.  While a row store can be used for OLAP, it may not perform well because a row store has to retrieve every column for a row (unless there is a covering

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