Here is a HTML rendition of the notes for a short course on ADQL and TAP. All queries follow the ADQL standard 2.1 as defined by the IVOA at

It’s allowed to cut-and-paste the queries

Also, there’s a PDF version that you can print and keep as a makeshift reference.

The queries and problems in the text are supposed to be run against the server ivo://org.gavo.dc/__system__/tap/run with the access URL (unless something else is specified).

ADQL: Contents

Markus Demleitner, Hendrik Heinl

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