Administración de PostgreSQL
ANALYZE - Ejemplo

Ejemplo:
alvh=> ALTER TABLE ktuples ALTER another SET STATISTICS 100;
ALTER
alvh=> ANALYZE ktuples (bigcol, another);
ANALYZE
alvh=> ANALYZE;
NOTICE:  Skipping "pg_group" --- only table or database owner can ANALYZE it
NOTICE:  Skipping "pg_database" --- only table or database owner can ANALYZE it
NOTICE:  Skipping "pg_shadow" --- only table or database owner can ANALYZE it
ANALYZE