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Questions and Answers
What does the keyword DISTINCT do in SQL?
What does the keyword DISTINCT do in SQL?
What does the DISTINCT keyword do in SQL?
What does the DISTINCT keyword do in SQL?
What is the concatenation operator in Oracle?
What is the concatenation operator in Oracle?
What is the maximum number of columns that can be sorted using the ORDER BY clause?
What is the maximum number of columns that can be sorted using the ORDER BY clause?
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What is the maximum number of columns that can be sorted using the ORDER BY clause?
What is the maximum number of columns that can be sorted using the ORDER BY clause?
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What is the purpose of using a column alias in Oracle?
What is the purpose of using a column alias in Oracle?
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How do you retrieve only certain columns from a table in SQL?
How do you retrieve only certain columns from a table in SQL?
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What is the order of mathematical operations in Oracle?
What is the order of mathematical operations in Oracle?
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What is an example of an Ordinal Sort in SQL?
What is an example of an Ordinal Sort in SQL?
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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.
