I try to explain basic concept in Oracle Database, I started to attend class call “Diseño de Base de Datos” in the program INSAFORP
The first class is Oracle SQL Developer Data Modeler
A free graphical tool ….datamodeler-20.2.0.167.1538-x64.zip https://drive.google.com/file/d/1A_WG2q5VCFbnYW85aTGF5JR-kiFH9_g7/view , for create Diagrams (ERD), Relational (database design) The objective is https://en.wikipedia.org/wiki/Database_normalization
The second class is about Schema Objects, Tablespaces, and Datafiles
The most interesting part is the query’s: For create a execute we use Oracle SQL Developer ,and Virtual Box for the image DeveloperDaysVM2019-05-31_20
Pre-Built Oracle database for learning and testing
The Easy Way to get started with Oracle Database: our VirtualBox Appliance
Information and concepts
https://web.stanford.edu/dept/itss/docs/oracle/10gR2/index.htm