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Database Management System Quiz

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Questions and Answers

What is an instance of the database?

The collection of information stored in the database at a particular moment (correct)
The database query language
The physical location of the database
The database schema

What is the purpose of a prepared statement when taking user input for a query?

To optimize query performance
To enforce data constraints
To prevent SQL injection attacks (correct)
To simplify the query syntax

What is the role of a Concurrency Control Manager in a database?

To ensure consistency among concurrent transactions (correct)
To optimize query execution
To manage database instances
To define data models

What is the function of Hybrid OLAP systems?

<p>Store summaries in memory and base data in a relational database (D)</p> Signup and view all the answers

What are bitmap indices designed for?

<p>Efficient querying on multiple keys (B)</p> Signup and view all the answers

Flashcards

Database Instance

The collection of information stored in the database at a particular moment.

Prepared Statement Purpose

To prevent SQL injection attacks when queries involve user input.

Concurrency Control Manager Role

Role is to ensure consistency among concurrent transactions.

Hybrid OLAP Systems Function

Hybrid OLAP systems store summaries in memory and store base data in a relational database.

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Bitmap Indices Design

Bitmap indices are designed for efficient querying on multiple keys.