Question 1

Applications usually write data directly to the database.

Accepted Answer

Applications typically use an intermediary layer, such as an API or ORM, to interact with databases, ensuring data integrity and security.

Question 2

Enterprise Resource Planning (ERP)is an example of a data mining application.

Accepted Answer

ERP systems integrate internal and external management information across an entire organization, focusing on the automation and integration of business processes, rather than on data mining, which involves analyzing large datasets to discover patterns and insights.

Question 3

Databases record data in such a way that they can produce information.

Accepted Answer

Databases are designed to organize, store and retrieve data in a way that it can be used to produce meaningful information.

Question 4

The purpose of a database is to help people keep track of things.

Accepted Answer

A database is designed to store and organize information in a structured way, making it easier for people to access, manage, and analyze data. By providing a central repository for data, databases help individuals and organizations keep track of various aspects of their operations, including customer information, financial transactions, inventory levels, and more. Therefore, the purpose of a database is to help people keep track of things.

Question 5

The e-commerce companies use Web activity databases to determine which items on a Web page are popular and successful.

Accepted Answer

E-commerce companies do use Web activity databases to determine which items on a Web page are popular and successful. This data helps them to optimize their offerings and improve customer experience.

Question 6

Small databases typically have simple structures.

Accepted Answer

The answer of Small databases typically have simple structures....

Question 7

In a database,each table stores data about a different type of thing.

Accepted Answer

Each table in a database is designed to store data about a specific type of thing or entity. For example, a database for a company may have tables for employees, customers, and orders, each storing relevant data about that entity.

Question 8

Databases are a key component of e-commerce order entry,billing,shipping and customer support.

Accepted Answer

Databases are crucial for managing and organizing customer orders, tracking inventory, processing payments, and providing customer support in e-commerce operations. Without databases, it would be nearly impossible to efficiently handle the large amounts of data and transactions involved in e-commerce operations.

Question 9

Sequenced Query Language (SQL)is an internationally recognized standard language that is understood by all commercial database management system products.

Accepted Answer

SQL is a standard language for relational database management, but not all commercial database systems fully implement the standard or interpret it in the same way, leading to variations.

Question 10

A database management system (DBMS)creates,processes and administers databases.

Accepted Answer

A DBMS is a software system that allows users to define, create, maintain, and control access to databases. It creates, processes, and administers databases.

Question 11

The database management system (DBMS)is responsible for inserting,modifying,reading,and deleting data.

Accepted Answer

The database management system (DBMS) does indeed handle operations such as inserting, modifying, reading, and deleting data.

Question 12

Data is recorded facts and figures;information is knowledge derived from data.

Accepted Answer

This statement accurately describes the difference between data and information. Data is raw, unprocessed facts and figures, while information is the knowledge that is derived from analyzing and interpreting that data.

Question 13

A database system is typically defined as its four components: users,database applications,the DBMS and the databases.

Accepted Answer

This statement is true. A database system is typically composed of users, database applications, the DBMS, and databases.

Question 14

In database systems,indexes are held in the database.

Accepted Answer

Indexes are database objects that improve the performance of queries by allowing data retrieval operations to access data more quickly and efficiently. They are stored in the database along with the data itself.

Question 15

A database shows data in tables and the relationships among the rows in those tables.

Accepted Answer

This statement is true as one of the primary ways that a database organizes and displays data is through the use of tables, and the relationships between those tables are defined by their respective key fields.

Question 16

Like a database table,a spreadsheet has rows and columns.

Accepted Answer

A spreadsheet is essentially a virtual grid made up of rows and columns, much like a database table.

Question 17

The largest databases in e-commerce are the order entry databases.

Accepted Answer

The largest databases in e-commerce are typically the customer databases, as they contain detailed information on customers, their preferences, purchase history, and interactions, which are larger and more complex than order entry databases.

Question 18

Applications are computer programs used directly by users.

Accepted Answer

Applications are indeed computer programs designed for direct use by users, as opposed to system software or middleware.

Question 19

Databases based on the CODASYL standard are based on the network data model.

Accepted Answer

The CODASYL standard is based on the network data model, which represents data as records interconnected by pointers.

Question 20

In every database,not just the databases discussed in this book,table names are capitalized.

Accepted Answer

Table names can be either capitalized or not, depending on the database system and the conventions used by the developers. There is no universal rule that mandates the capitalization of table names in all databases.

Quiz 1: Introduction