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• How do you find the disk size of a Postgres / PostgreSQL table and its indexes

  - by mmrobins

  I'm coming to Postgres from Oracle and looking for a way to find the table and index size in terms of bytes/MB/GB/etc, or even better the size for all tables. In Oracle I had a nasty long query that looked at user_lobs and user_segments to give back an answer. I assume in Postgres there's something I can use in the information_schema tables, but I'm not seeing where. Thanks in advance.

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• How do you find the disk size of a Postgres table and its indexes

  - by mmrobins

  I'm coming to Postgres from Oracle and looking for a way to find the table and index size in terms of bytes/MB/GB/etc, or even better the size for all tables. In Oracle I had a nasty long query that looked at user_lobs and user_segments to give back an answer. I assume in Postgres there's something I can use in the information_schema tables, but I'm not seeing where. Thanks in advance.

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• How do you find the row count for all your tables in Postgres

  - by mmrobins

  I'm looking for a way to find the row count for all my tables in Postgres. I know I can do this one table at a time with a select count(*) from table_name; but I'd like to see the row count for all the tables and the order by that to get an idea of how big all my tables are.

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