The article doesn&#x27;t mention it when talking about clustered indexes, but you can force a table to be reordered on disk to match an index using CLUSTER.<p><a href="http:&#x2F;&#x2F;www.postgresql.org&#x2F;docs&#x2F;current&#x2F;static&#x2F;sql-cluster.html" rel="nofollow">http:&#x2F;&#x2F;www.postgresql.org&#x2F;docs&#x2F;current&#x2F;static&#x2F;sql-cluster.ht...</a>