-- List the teachers who have NULL for their department. -- Use CASE to show the name of each teacher followed by 'Sci' if the teacher is in dept 1 or 2 and 'Art' otherwise.

These exercises cover a variety of SQL concepts, including filtering records, using aggregate functions, joining tables, and more. The exercises are designed to help strengthen SQL skills and solidify ...

Based on the expertise of Intelligent Converters specialists gained from a variety of migration projects, this whitepaper ...

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Mixed-use developments, which integrate residential, commercial, cultural, and green spaces into cohesive urban environments, offer a transformative opportunity to revitalise cities, encourage ...