Software Engineering Operations and Maintenance Quiz

What is the main focus of Chapter 13 in the text?

Data Warehouses (correct)
Operational Data Management
Distributed Databases
Business Analysis Techniques

What are Star Schemas mainly composed of?

Decision Support Data and Business Intelligence
Facts and Dimensions (correct)
Data Marts and OLAP
Attributes and Hierarchies

What is the primary purpose of a Data Mart?

To store operational data
To manage data warehouses
To support decision-making processes (correct)
To improve online analytical processing

Which term describes the detailed data used in decision support systems?

Facts (D) Signup and view all the answers

In the context of Business Intelligence, what is OLAP an abbreviation for?

Online Analytical Processing (A) Signup and view all the answers

According to Chapter 13, what is a key characteristic of Multidimensional OLAP compared to Relational OLAP?

More complex data structures (D) Signup and view all the answers

What is the purpose of the Transaction Log in database management systems?

To track changes made to the database for recovery and rollback operations (A) Signup and view all the answers

In database design, what does Two-Phase Locking ensure?

Serializability of transactions to avoid deadlocks (C) Signup and view all the answers

Which method is commonly used for Database Recovery Management?

Transaction Recovery (B) Signup and view all the answers

What is the primary function of Database Query Optimization Modes?

To enhance query processing efficiency (A) Signup and view all the answers

Which aspect of SQL execution phase in query processing can lead to bottlenecks?

SQL Fetching Phase (D) Signup and view all the answers

What is the main role of Hints in affecting Optimizer Choices in a database management system?

To manipulate the query execution plan chosen by the optimizer (A) Signup and view all the answers

What is the purpose of SQL Performance Tuning?

To make the SQL code run faster and more efficiently (B) Signup and view all the answers

Which statement best describes the role of DBMS Performance Tuning?

Optimizing the performance of database management systems (B) Signup and view all the answers

What is the significance of Index Selectivity in database optimization?

It helps in efficient retrieval of data by optimizing indexes (C) Signup and view all the answers

In Distributed Database Management Systems, what does Distribution Transparency refer to?

Hiding the distribution details from users and applications (C) Signup and view all the answers

What is the purpose of Data Fragmentation in Distributed Database Design?

Dividing data into smaller fragments for distribution across multiple sites (A) Signup and view all the answers

Which feature is related to Transaction Transparency in Distributed Databases?

Ensuring consistency and reliability of transactions across multiple sites (A) Signup and view all the answers

What is the purpose of the editorial review mentioned in the text?

To verify that suppressed content does not significantly impact learning (B) Signup and view all the answers

Why does the publisher reserve the right to remove content from the title?

Due to electronic rights restrictions (B) Signup and view all the answers

What information can be found on www.cengage.com/highered?

Pricing, previous editions, changes to current editions, and alternate formats (A) Signup and view all the answers

Why may some third party content be suppressed in the eBook?

Due to electronic rights restrictions (B) Signup and view all the answers

What is NOT allowed with the eBook content according to the text?

Sharing with a friend (D) Signup and view all the answers

What does Cengage Learning reserve the right to do regarding content removal?

Remove content if rights restrictions require it (B) Signup and view all the answers

What is the estimated number of searches Google responds to per day?

Around 91 million searches (D) Signup and view all the answers

In what timeframe are new data added to the telecommunication systems, like Sprint and AT&T, at speeds up to 70,000 calls per second?

Every second (B) Signup and view all the answers

What are databases, as per the text?

Specialized structures for storing and retrieving data quickly (B) Signup and view all the answers

Which feature is highlighted as crucial for telecommunication companies like Sprint and AT&T when managing immense collections of data?

Data retrieval speed (A) Signup and view all the answers

Why do modern business systems heavily depend on databases?

To store, manage, and retrieve data rapidly (A) Signup and view all the answers

What is a notable characteristic of Google's search results mentioned in the text?

Search results are available almost instantly (C) Signup and view all the answers