Database Management Systems (DBMS)
The concept in which a subset of SQL commands used to define and modify database structures, such as CREATE and ALTER is best known as which of these terms?
Difficulty: Medium
About this MCQ
This Medium Database Management Systems (DBMS) MCQ checks one syllabus fact.
The question is: “The concept in which a subset of SQL commands used to define and modify database structures, such as CREATE and ALTER is best known as which of these terms?”
The accepted answer is B. Data Definition Language (DDL). The concept in which a subset of SQL commands used to define and modify database structures such as CREATE and ALTER is best known as which of these terms is answered by Data Definition Language DDL option B Option A Concurrency control does not match the stem it is a near-miss used to catch incomplete recall of Data Definition Language DDL Option C Composite key does not match the stem it is a near-miss used to catch incomplete recall of Data Definition Language DDL Remaining alternatives Database schema fall outside the same rule and should be eliminated once Data Definition Language DDL is identified Database Management Systems DBMS questions of this type reward precise definitions rather than approximate associations Database.
- A. Concurrency control
Why not A: “Concurrency control” is not correct. The accepted answer is B. Data Definition Language (DDL). The concept in which a subset of SQL commands used to define and modify database structures such as CREATE and ALTER is best known as which of these terms is answered by Data Defin
- B. Data Definition Language (DDL) ✓
- C. Composite key
Why not C: “Composite key” is not correct. The accepted answer is B. Data Definition Language (DDL). The concept in which a subset of SQL commands used to define and modify database structures such as CREATE and ALTER is best known as which of these terms is answered by Data Defin
- D. Database schema
Why not D: “Database schema” is not correct. The accepted answer is B. Data Definition Language (DDL). The concept in which a subset of SQL commands used to define and modify database structures such as CREATE and ALTER is best known as which of these terms is answered by Data Defin
Correct answer
B. Data Definition Language (DDL)
Explanation
The concept in which a subset of SQL commands used to define and modify database structures such as CREATE and ALTER is best known as which of these terms is answered by Data Definition Language DDL option B Option A Concurrency control does not match the stem it is a near-miss used to catch incomplete recall of Data Definition Language DDL Option C Composite key does not match the stem it is a near-miss used to catch incomplete recall of Data Definition Language DDL Remaining alternatives Database schema fall outside the same rule and should be eliminated once Data Definition Language DDL is identified Database Management Systems DBMS questions of this type reward precise definitions rather than approximate associations Database.
Source: Database Management Systems (DBMS) Official Reference Guide
Tags: computer science, dbms, SQL, databases
Submitted by: MCQsHub Editorial
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