Which SQL operator allows you to check if a column value matches any item contained within a comma-separated list of explicit values? MCQ with Answer and Explanation
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Question #1
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Which of the following is a valid SQL numeric function?
Correct Answer: Option B
Explanation:
ROUND, CEILING, and FLOOR are common mathematical functions in SQL.
ROUND, CEILING, and FLOOR are common mathematical functions in SQL.
This question belongs to:
Computer
Database Management System (DBMS)
Question #2
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Which key establishes a logical relationship between two tables by referencing the primary key of another table?
Correct Answer: Option A
Explanation:
A Foreign Key is an attribute or collection of attributes in one table that references the primary key of another table to maintain referential integrity.
A Foreign Key is an attribute or collection of attributes in one table that references the primary key of another table to maintain referential integrity.
This question belongs to:
Computer
Database Management System (DBMS)
Question #3
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Which of the following is a non-aggregate function in SQL?
Correct Answer: Option B
Explanation:
LENGTH() (or LEN()) is a string function that returns the length of a string, not an aggregate. SUM, COUNT, AVG are aggregates.
LENGTH() (or LEN()) is a string function that returns the length of a string, not an aggregate. SUM, COUNT, AVG are aggregates.
This question belongs to:
Computer
Database Management System (DBMS)
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