Today I Learned

Today I Learned
Database
- Intro to Database Systems
Back-end
Personal
- Reflections on the Tiny Things I Learned in
  - 2023

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Database

Intro to Database Systems

Database storage II

System catalogs

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Last updated 2 years ago

A DBMS store meta-data about database in its internal catalogs

Tables, columns, indexs, views
Users, permissions
Internal statistics

Almost every DBMS stores their database's catalog in it self.

Wrap object abstraction around tuples.
Specialized code for "bootstrapping" catalog table.