Database Management Systems (DBMS)
Which of the following best describes Concurrency control?
- A. A subset of SQL commands used to manage data within tables, such as INSERT, UPDATE, and DELETE.
- B. A set of techniques used in a DBMS to ensure correct results for concurrent transaction operations. ✓
- C. A type of database that organizes data into tables of rows and columns linked by defined relationships.
- D. A database property ensuring that relationships between tables remain consistent, typically enforced through foreign keys.
Correct answer
B. A set of techniques used in a DBMS to ensure correct results for concurrent transaction operations.
Explanation
Concurrency control refers to a set of techniques used in a DBMS to ensure correct results for concurrent transaction operations.