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Let the speed one train be x m/s and the speed of the second train be y m/s. Length of the first train = Speed × Time = 36x Length of second train = Speed × Time = 21y So, {(36x + 21y)/(x+y)} = 27 ⇒ 36x + 21y = 27x + 27y ⇒ 9x = 6y Therefore, x:y = 2:3
In the context of databases, what does the term sharding refer to?
In a relational database, a foreign key is used to:
In database management, which SQL command is used to remove a table and all its data from a database?
Which of the following memories has the shortest access times?
Which of the following is true about Information?
Which of the following storage devices is considered non-volatile?
What is the full form of DBMS?
What does the term "normalization" refer to in the context of database design?
Which of the following is used to speed up data retrieval in a relational database?
Pick the odd one out.