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How Dolt Implemented Pushdown Filters to Make Queries Faster — ‘Pushdown’ is where you move the predicates in a WHERE clause to be under the join, reducing the number of rows you have to examine. Dolt itself is a SQL database that adopts many of Git’s concepts to provide version control primitives over data.

How Subqueries Were Implemented in a Go-Powered SQL Engine — There’s a few moving parts here, but basically Dolt is like Git for data and the underlying SQL engine is go-mysql-server, a MySQL wire protocol compatible SQL server and engine.

Introducing SQL VIEW Support in Dolt — Dolt is a novel SQL database with Git-style versioning and distribution and it’s just added support for views.