Database Management
English
0 / 5 Answered
Q1
Easy
What does DBMS stand for?
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Correct Answer:
B โ Database Management System
๐ก Explanation:
DBMS stands for Database Management System. It is software that manages databases.
Q2
Medium
Which of the following is NOT a type of SQL command?
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Correct Answer:
D โ DSL
๐ก Explanation:
SQL command types are DDL (Data Definition), DML (Data Manipulation), DCL (Data Control), and TCL. DSL is not a standard SQL command type.
Q3
Easy
Which SQL keyword is used to retrieve data from a database?
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Correct Answer:
C โ SELECT
๐ก Explanation:
The SELECT statement is used to retrieve data from a database.
Q4
Hard
A primary key uniquely identifies each record in a table. This constraint is called:
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Correct Answer:
D โ Entity Integrity
๐ก Explanation:
Entity Integrity states that the primary key of a table must be unique and cannot be NULL.
Q5
Easy
Which SQL clause is used to filter rows based on a condition?
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Correct Answer:
C โ WHERE
๐ก Explanation:
WHERE clause is used to filter records based on a specified condition.