Re: a very naive question about table names in Postgres

pá 31. 12. 2021 v 21:28 odesílatel Martin Mueller
<martinmueller@northwestern.edu> napsal:
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> I have a very naïve question and don’t know where tp  look for the answer.  I use Postgres via AquaData Studio as a giant spreadsheet.  I create tables and give them names. I see the table names  and know how to manipulate them with simple SQL queries.
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> I know that on my Mac the tables are  kept in the  data directory /Users/martinmueller/Library/Application Support/Postgres/var-13.  If I go there I see that internally the tables have numbers.  Somewhere in the system there must be a table that maps the name I gave to table X  to the numerical  inside the database.
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> Where is that mapping and how can I query it?  On what page of the documentation do I find the answer?

There is a nice blogpost related.
https://www.2ndquadrant.com/en/blog/postgresql-filename-to-table/

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> I much prefer Postgres to Mysql for  a variety of reasons, but mostly for its elegant string functions. But in Mysql it seems to be much easier to keep track of tables.
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> Martin Mueller
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> Professor emeritus of English and Classics
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> Northwestern University
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