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Questions and Answers
Which keyword allows us to remove duplicates from query results?
What is the maximum number of columns that can be sorted using the ORDER BY clause?
What is the default sorting order when using the ORDER BY clause?
What is the concatenation operator in SQL?
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What is a column alias used for in SQL?
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Which mathematical operations are solved first in SQL?
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What is the purpose of a primary and multiple secondary sorts in SQL?
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Study Notes
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Description
"Mastering SQL: Selecting and Retrieving Data from Tables" - Test your knowledge on how to use SQL to select and retrieve data from tables. Learn how to use wildcards, select specific columns, and filter data using conditions. This quiz will test your understanding of SQL syntax and help you improve your data querying skills. Perfect for SQL beginners and intermediate learners.
