what is the difference between sequential scan and index scan in postgresql and how does query planner make that choice
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
what is the difference between sequential scan and index scan in postgresql and how does query planner make that choice
1 real search · 1 real-search pass
PostgreSQL documentation planner statistics cost sequential scan index scan random_page_cost seq_page_costGoogle ↗
OBSERVED
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
Classifying 1 queries…
Searches and sources
ChatGPT1 real searches · gpt-6
PostgreSQL documentation planner statistics cost sequential scan index scan random_page_cost seq_page_cost Google ↗