SQL Questions
Q. What is the purpose of the INDEX in a database?
View SolutionQ. Which SQL clause is used to rename columns in the output?
View SolutionQ. What does the FULL JOIN operation return?
View SolutionQ. Which SQL function calculates the standard deviation?
View SolutionQ. What is the purpose of the CASE statement in SQL?
View SolutionQ. Which SQL command adds a new column to an existing table?
View SolutionQ. What does the EXISTS operator do in SQL?
View SolutionQ. Which SQL function formats a date value?
View SolutionQ. What is the purpose of the CROSS JOIN in SQL?
View SolutionQ. Which SQL clause is used to specify the order of sorting?
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