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The essential SQL skills
Lesson 1free
USE, SELECT, result set, DISTINCT, ALL
watch the video tutorial onlinetest yourself now! (36 questions)
Lesson 2free
Arithmetic Expressions, AS: Column Alias
watch the video tutorial onlinetest yourself now! (45 questions)
Lesson 3free
WHERE Clause, Comparison Operators
watch the video tutorial onlinetest yourself now! (25 questions)
Lesson 4free
Logical Operators (AND, OR, NOT), NULL, IS NULL Clause
watch the video tutorial onlinetest yourself now! (37 questions)
tutorials
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