Database Management Systems (DBMS)
Choose the correct description of ACID properties.
Difficulty: Hard
About this MCQ
This Hard Database Management Systems (DBMS) question asks: Choose the correct description of ACID properties. The correct choice is A. A set of properties (Atomicity, Consistency, Isolation, Durability) that guarantee reliable database transactions.. Read the options below, commit to one, then use the explanation to see why that choice holds and why the others do not.
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- A. A set of properties (Atomicity, Consistency, Isolation, Durability) that guarantee reliable database transactions. ✓
- B. An SQL operation that combines rows from two or more tables based on a related column.
Why not B: “An SQL operation that combines rows from two or more tables based on a related column.” does not fit this question. The answer is A set of properties (Atomicity, Consistency, Isolation, Durability) that guarantee reliable database transactions..
- C. A database structure that improves the speed of data retrieval operations on a table.
Why not C: “A database structure that improves the speed of data retrieval operations on a table.” does not fit this question. The answer is A set of properties (Atomicity, Consistency, Isolation, Durability) that guarantee reliable database transactions..
- D. A column or set of columns that uniquely identifies each row in a database table.
Why not D: “A column or set of columns that uniquely identifies each row in a database table.” does not fit this question. The answer is A set of properties (Atomicity, Consistency, Isolation, Durability) that guarantee reliable database transactions..
Correct answer
A. A set of properties (Atomicity, Consistency, Isolation, Durability) that guarantee reliable database transactions.
Explanation
A set of properties Atomicity Consistency Isolation Durability that guarantee reliable database transactions option A is the accepted answer to Choose the correct description of ACID properties Option B An SQL operation that combines rows from two or more tables based on a related column does not fit this question Option C A database structure that improves the speed of data retrieval operations on a table does not fit this question Option D A column or set of columns that uniquely identifies each row in a database table does not fit this question For this Database Management Systems DBMS question the accepted answer is A set of properties Atomicity Consistency.
Source: Database Management Systems (DBMS) Official Reference Guide
Tags: computer science, dbms, SQL, databases
Submitted by: MCQsHub Editorial
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