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Data Structure MCQs (401-500) 401. Hashing is used to:A) Perform quick search and retrievalB) Sort dataC) Traverse data sequentiallyD) NoneAnswer: […]

Data Structure MCQs (301-400) 301. In a graph, if every vertex is connected to every other vertex, it is called

Data Structure MCQs (201-300) 201. An AVL tree is a type of:A) Self-balancing binary search treeB) Complete binary treeC) Threaded

Data Structure MCQs (101-200) 101. A heap is a:A) Complete binary treeB) Full binary treeC) Skewed binary treeD) NoneAnswer: A

Data Structure MCQs (01-100) 1. Data structure is:A) A way of storing and organizing dataB) A programming languageC) An algorithmD)

Database MCQs (401-500) 401. The main goal of database security is to:A) Protect data from unauthorized access and modificationB) Increase

Database MCQs (301-400) 301. Which SQL clause is used to remove duplicate rows in a result? A) DISTINCTB) UNIQUEC) DIFFERENTD)

Database MCQs (201-300) 201. The main goal of query optimization is:A) To minimize query execution timeB) To maximize query costC)

Databse MCQs (101-200) 101. The main goal of transaction management is to ensure:A) Data consistencyB) Data redundancyC) Query speedD) IndexingAnswer: