Espaço de tabela Postgresql

SELECT schemaname, tablename, pg_size_pretty(size) AS size_pretty, pg_size_pretty(total_size) AS total_size_pretty FROM (SELECT *, pg_relation_size(schemaname||’.’||tablename) AS size, pg_total_relation_size(schemaname||’.’||tablename) AS total_size FROM pg_tables where schemaname = ‘public’) AS TABLES ORDER BY total_size DESC;

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