I Built 14 Postgres Indexes on the Same 10 Million Rows. Five Made a Query Slower.
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One index made a query 41,521× faster. One is 3,047× smaller than the b-tree everyone reaches for and costs nothing on writes.

 

 One index made a query 41,521× faster. One is 3,047× smaller than the b-tree everyone reaches for and costs nothing on writes.Continue reading on Medium » Read More Python on Medium 

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By ali