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reggaeshark
8,542 PointsThere should be a mention of using brackets for ordering.
in my opinion a key missing information
1 Answer

Steven Parker
215,939 PointsIf by "brackets" you mean "parentheses" (sometimes called "round brackets" in the UK), they are not necessary in simple expressions. Even in complex expressions they would typically only be used when it is necessary to change the default precedence of evaluation. This concept was probably considered beyond the scope of this introductory-level beginner course.
Zimri Leijen
11,732 PointsZimri Leijen
11,732 PointsAnd what is the default precedence of evaluation?
Steven Parker
215,939 PointsSteven Parker
215,939 PointsPrecedence may vary slightly with other manufacturers, but for example here's the order for SQL Server: