Markus Winand

Markus Winand

SQL Trainer

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Markus Winand is an independent author, trainer
and consultant on all things SQL. His book “SQL
Performance Explained” has just been translated into
a fifth language. Markus is currently working on his
second book centered on the idea that things have
changed a lot since SQL-92. It is likewise available free
of charge online at modern-sql.com.