Question
Q started from a point and walked towards the south for
42 m, then from there he turned right and walked 2 m, then he turned right again and walked 30 m, and then turned left and walked 10 m. In which direction is Q facing now?Solution
Q starts facing South and walks 42 m → Still facing South Turns right (West) and walks 2 m → Now facing West Turns right again (North) and walks 30 m → Now facing North Turns left (West) and walks 10 m → Now facing West Final Answer: Q is facing West → Option 2: West
Which of the following is used to eliminate redundancy and anomalies in a database?
Which command is used to remove all records from a table without deleting the table structure?
The result of a Cartesian product of two relations R and S will have:
Which OOP principle allows a single interface to represent different underlying forms or data types?
Which of the following is true about a view in SQL?
A primary key in a table:
Which SQL keyword is used to sort the result set?
The concept of "data hiding" is primarily achieved through which OOP principle?
Which of the following is a valid constraint in SQL?
Which of the following statements about abstract classes is true?
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