Question 1

A DBMS is a a collection of tables,relationships,and metadata.

Accepted Answer

A DBMS (Database Management System) is software that manages databases, which include tables, relationships, and metadata. The collection of tables, relationships, and metadata is a database, not the DBMS itself.

Question 2

Databases that carry their data in the form of tables and that represent relationships using foreign keys are called foreign relationship databases.

Accepted Answer

Databases that use tables and foreign keys to represent relationships are called relational databases, not foreign relationship databases.

Question 3

A byte is a character of data.

Accepted Answer

True

Question 4

A DBMS is a software that helps manage the operating system.

Accepted Answer

A DBMS (Database Management System) is a software that helps manage databases, not the operating system.

Question 5

The format of metadata depends on the software product that is processing the database.

Accepted Answer

The format of metadata is highly dependent on the software product or system that is being used to process the database. Each software may have distinct requirements and guidelines for the format, structure, and specifications of metadata. Therefore, the format may differ from one software product to another.

Question 6

A database application consists of forms,reports,queries,and database programs.

Accepted Answer

This statement is true. A database application typically includes forms for data entry, reports for data analysis and presentation, queries for data retrieval and manipulation, and database programs for managing the storage and organization of data.

Question 7

A key is a column or group of columns that identifies a unique row in a table.

Accepted Answer

This statement is true. A key is used to uniquely identify a row in a table. It can be a single column or a group of columns that together form a unique identifier for each row. The key allows for efficient searching and sorting of data within the table.

Question 8

A key is a field that identifies a unique column in a table.

Accepted Answer

A key is a field that identifies a unique row in a table, not a column.

Question 9

Metadata describes the structure of the database.

Accepted Answer

Metadata is data that describes the structure of the database and the meaning of the data stored in it. It includes information about tables, fields, relationships, indexes, constraints, and other aspects of the database schema.

Question 10

Registries are data that describe data.

Accepted Answer

Registries are databases or collections of records, often used to track information about individuals or entities, whereas metadata is the term used to describe data that provides information about other data.

Question 11

The purpose of a database is to keep track of things that involve a single theme.

Accepted Answer

The answer of The purpose of a database is to...

Question 12

Every table in a relational database must have a key.

Accepted Answer

Every table in a relational database must have a key, which is a column or set of columns that uniquely identifies each row in the table. This is necessary for maintaining data integrity and for establishing relationships among tables.

Question 13

Most organizations develop their own DBMS software.

Accepted Answer

Developing a DBMS software requires significant resources and expertise, so most organizations purchase existing software or use open-source options rather than developing their own.

Question 14

A group of similar records is called a field.

Accepted Answer

A group of similar records is called a file. A field is a specific piece of data within a record.

Question 15

A database is a self-describing collection of integrated records.

Accepted Answer

A database contains integrated records that are organized in a way that allows users to easily retrieve and analyze data. The database also includes metadata or data about the data, which describes the structure of the database and how the data is related. This makes a database self-describing, meaning it includes information about its own structure and contents.

Question 16

MySQL is an open-source DBMS package which is license-free for most database applications.

Accepted Answer

MySQL is released under the GPL (GNU General Public License) which is a free, open-source license, making it license-free for most database applications.

Question 17

Elements of the database application system call on the database management system to process the database tables.

Accepted Answer

The database application system relies on the database management system (DBMS) to process the database tables. The DBMS acts as an intermediary between the database and the application system, providing access to the data and managing the storage and retrieval of information. Therefore, it is true that the elements of the database application system call on the DBMS to process the database tables.

Question 18

A column is also referred to as a record.

Accepted Answer

A column is not referred to as a record, but rather a field or attribute. A record is a row that contains a set of related data values.

Question 19

A spreadsheet is used to store data with multiple themes.

Accepted Answer

The answer of A spreadsheet is used to store data...

Question 20

Relational databases represent relationships through the use of formal keys.

Accepted Answer

The answer of Relational databases represent relationships through the use...

Quiz 5: Database Processing