(a) What is the purpose of database trigger? Explain with an example. (b) Explain the different type of database keys with examples. (c) Between…

(a) What is the purpose of database trigger? Explain with an example.

(b) Explain the different type of database keys with examples.

(c) Between Depth first search (DFS) and Breadth first search (BFS). Which one is faster? Which one requires more memory?

From the BPSC Assistant Programmer (CSE) December 2021 – Written exam, question 3 of 25.

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