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how to see execution plan in postgresql

MazelTov27 answered on February 15, 2023 Popularity 6/10 Helpfulness 6/10

answer how to see execution plan in postgresql

how to see execution plan in postgresql

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-- Use EXPLAIN keyword
EXPLAIN [ANALYZE | VERBOSE | COSTS | SETTINGS | BUFFERS | WAL | TIMING | SUMMARY]
SELECT ....;

/* Description: 
 * - ANALYZE: Show actual run times and other statistics
 * - VERBOSE: Display additional information regarding the plan. 
 * - COSTS: Include information on the estimated startup and total cost of each plan node.
 * - SETTINGS: Include information on configuration parameters.
 * - BUFFERS: Include information on buffer usage.
 * - WAL: Include information on WAL record generation.
 * - TIMING: Include actual startup time and time spent in each node in the output. 
 * - SUMMARY: Include summary information (e.g., totaled timing information) after the query plan. 
 * - FORMAT: Specify the output format, which can be TEXT, XML, JSON, or YAML.
 */

https://www.postgresql.org/docs/current/sql-explain.html

Popularity 6/10 Helpfulness 6/10 Language sql

Source: Grepper

Tags: execution postgresql sql

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Contributed on Feb 15 2023

MazelTov27

0 Answers Avg Quality 2/10

how to see execution plan in postgresql

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