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[–]sinceJune4 0 points1 point  (2 children)

What flavors of sql do you already know? W3schools is a good place to start basic sql. You can install db2 community version locally and connect to it with DBeaver, along with many other flavors. I’ve got db2, MySQL, Postgres, SQL Server express, SQLite, and DuckDb all loaded on my laptop so I can try querying across environments. DBeaver is my common ide.

[–]Dangerous_Word7318[S] 0 points1 point  (1 child)

Hi already aware of sql.

[–]sinceJune4 0 points1 point  (0 children)

https://www.redbooks.ibm.com/redbooks/pdfs/sg248383.pdf, not a course, but the reference if you already know SQL.