PostgreSQL常用查看命令
Posted 一泽涟漪
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1. 查看当前库sehcma大小,并按schema排序
SELECT schema_name, pg_size_pretty(sum(table_size)::bigint) as "disk space", (sum(table_size) / pg_database_size(current_database())) * 100 as "percent" FROM ( SELECT pg_catalog.pg_namespace.nspname as schema_name, pg_relation_size(pg_catalog.pg_class.oid) as table_size FROM pg_catalog.pg_class JOIN pg_catalog.pg_namespace ON relnamespace = pg_catalog.pg_namespace.oid ) t GROUP BY schema_name ORDER BY schema_name;
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