NEW: Paste your query and schema data and we give you the best index. Launch pganalyze Index Advisor

EXPLAIN - Table Sample Scan


Scan a table when the TABLESAMPLE feature is used. Note that this clause does change the semantics of your query, but if you’re looking to gather some statistics about data in a large table, it can be a lot more efficient than a full sequential scan.

Couldn't find what you were looking for or want to talk about something specific?
Start a conversation with us →