| Table Name | Table size | Total buffers | Total buffers size | % of the table in cache |
| rental | 1097728 | 134 | 1097728 | 100 |
| film | 450560 | 55 | 450560 | 100 |
| pg_proc | 417792 | 51 | 417792 | 100 |
| payment_p2007_04 | 409600 | 50 | 409600 | 100 |
| pg_depend | 344064 | 42 | 344064 | 100 |
| payment_p2007_03 | 344064 | 42 | 344064 | 100 |
| pg_attribute | 319488 | 39 | 319488 | 100 |
| film_actor | 221184 | 27 | 221184 | 100 |
| inventory | 204800 | 25 | 204800 | 100 |
| payment_p2007_02 | 139264 | 17 | 139264 | 100 |
| pg_description | 131072 | 16 | 131072 | 100 |
| pg_statistic | 131072 | 16 | 131072 | 100 |
| pg_operator | 106496 | 13 | 106496 | 100 |
| pg_rewrite | 81920 | 10 | 81920 | 100 |
| pg_type | 73728 | 9 | 73728 | 100 |
| payment_p2007_01 | 73728 | 9 | 73728 | 100 |
| customer | 65536 | 8 | 65536 | 100 |
| pg_class | 65536 | 8 | 65536 | 100 |
| address | 57344 | 7 | 57344 | 100 |
| pg_trigger | 57344 | 7 | 57344 | 100 |
| film_category | 40960 | 5 | 40960 | 100 |
| sql_features | 40960 | 5 | 40960 | 100 |
| city | 32768 | 4 | 32768 | 100 |
| pg_index | 24576 | 3 | 24576 | 100 |
| pg_constraint | 24576 | 3 | 24576 | 100 |
| pg_amop | 24576 | 3 | 24576 | 100 |
| pg_ts_config_map | 16384 | 2 | 16384 | 100 |
| payment_p2007_05 | 16384 | 2 | 16384 | 100 |
| pg_shdepend | 16384 | 2 | 16384 | 100 |
| pg_opclass | 16384 | 2 | 16384 | 100 |
| pg_attrdef | 16384 | 2 | 16384 | 100 |
| pg_conversion | 16384 | 2 | 16384 | 100 |
| pg_cast | 16384 | 2 | 16384 | 100 |
| pg_amproc | 16384 | 2 | 16384 | 100 |
| actor | 16384 | 2 | 16384 | 100 |
| category | 8192 | 1 | 8192 | 100 |
| pg_tablespace | 8192 | 1 | 8192 | 100 |
| pg_ts_config | 8192 | 1 | 8192 | 100 |
| pg_ts_dict | 8192 | 1 | 8192 | 100 |
| pg_opfamily | 8192 | 1 | 8192 | 100 |
| sql_languages | 8192 | 1 | 8192 | 100 |
| pg_database | 8192 | 1 | 8192 | 100 |
| pg_language | 8192 | 1 | 8192 | 100 |
| store | 8192 | 1 | 8192 | 100 |
| sql_sizing | 8192 | 1 | 8192 | 100 |
| pg_ts_parser | 8192 | 1 | 8192 | 100 |
| staff | 8192 | 1 | 8192 | 100 |
| pg_aggregate | 8192 | 1 | 8192 | 100 |
| pg_authid | 8192 | 1 | 8192 | 100 |
| sql_implementation_info | 8192 | 1 | 8192 | 100 |
| language | 8192 | 1 | 8192 | 100 |
| pg_namespace | 8192 | 1 | 8192 | 100 |
| sql_parts | 8192 | 1 | 8192 | 100 |
| pg_enum | 8192 | 1 | 8192 | 100 |
| pg_pltemplate | 8192 | 1 | 8192 | 100 |
| pg_am | 8192 | 1 | 8192 | 100 |
| sql_packages | 8192 | 1 | 8192 | 100 |
| pg_inherits | 8192 | 1 | 8192 | 100 |
| country | 8192 | 1 | 8192 | 100 |
| pg_shdescription | 8192 | 1 | 8192 | 100 |
| pg_ts_template | 8192 | 1 | 8192 | 100 |
SELECT n.nspname, c.relname, pg_relation_size(c.oid) AS size, count(*) AS buffers FROM pg_buffercache b, pg_class c, pg_namespace n WHERE b.relfilenode = c.relfilenode AND c.relnamespace = n.oid AND c.relkind = 'r' AND b.reldatabase IN (0, (SELECT oid FROM pg_database WHERE datname = current_database())) GROUP BY n.nspname, c.relname, size ORDER BY 3 DESC