<=>
Tutorials:
The optional feature T152, “DISTINCT predicate with negation” is defined in ISO/IEC 9075-2:2016. It first appeared in the release of 2003.
The essence of SQL tuning in 200 pages
Buy now!
(paperback and/or PDF)
Paperback also available at Amazon.com.
Markus offers SQL training and consulting for developers working at companies of any size.
Learn more »