SQL Server Course for Beginners with 100+ examples - OR Operator

The video tutorial explains the use of the OR operator in SQL, which is used to filter records based on multiple conditions. It highlights the difference between the OR and AND operators, demonstrating how the OR operator returns records if any condition is true. The tutorial uses an example with an employee table in a MIDB database, showing how to fetch records for employees named Jenny or Henry. It also covers handling queries with non-existent records, emphasizing the OR operator's ability to execute without errors if at least one condition is met.

What is the primary function of the OR operator in SQL?

• To filter records based on multiple conditions, all of which must be true

• To filter records based on multiple conditions, at least one of which must be true

• To sort records in ascending order

• To filter records based on a single condition

In the given example, which SQL clause is used to specify the conditions for the OR operator?

• ORDER BY clause

• SELECT clause

• GROUP BY clause

• WHERE clause

In the example, which employee names were used to demonstrate the OR operator?

• Jenny and Steve

• Henry and Steve

• Jenny and Henry

• Steve and Mark

What happens when you execute a query with the OR operator and one of the conditions is false?

• The query requires all conditions to be true

• The query executes successfully if at least one condition is true

• The query returns no records

• The query returns an error

What is the benefit of using the OR operator when one of the conditions fails?

• It requires all conditions to be true

• It stops the execution of the query

• It returns an error message

• It still executes the query if at least one condition is true