Database & IT Law
JKSSB Finance Accounts Assistant · Knowledge of Computers · 18 practice questions with answers and explanations: 3 Easy, 9 Medium, 6 Hard.
Sample questions
Sample Easy question 1
What does a 'primary key' refer to in a database table?
- A unique identifier for each record
- A password to access the database
- A backup copy of data
- A type of query
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Answer: A. A primary key uniquely identifies each record in a database table.
Sample Medium question 2
What does 'AI' stand for?
- Artificial Intelligence
- Automated Interface
- Advanced Internet
- Applied Informatics
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Answer: A. AI stands for Artificial Intelligence.
Sample Hard question 3
In DBMS, what does the acronym 'ACID' (properties of a transaction) stand for?
- Atomicity, Consistency, Isolation, Durability
- Accuracy, Consistency, Integration, Durability
- Atomicity, Control, Isolation, Data
- Accuracy, Control, Integrity, Duration
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Answer: A. ACID stands for Atomicity, Consistency, Isolation, and Durability — the properties that guarantee reliable database transactions.