
Review and practice Database Concepts
Authored by JUSILDA VREKA
Information Technology (IT)
11th Grade
Used 3+ times

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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a database?
A database is an organized collection of data that can be easily accessed, managed, and updated.
A database is a collection of random files without structure.
A database is a physical storage device for files.
A database is a type of software used for graphic design.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to create an appropriate database structure?
It is important to create an appropriate database structure to ensure data integrity, optimize performance, and facilitate efficient data retrieval.
To make the database visually appealing.
To reduce the size of the database files.
To ensure all data is stored in a single table.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the steps to create a table in Access?
Open Access and delete an existing database.
1. Open Access and create a new database. 2. Go to 'Create' tab and select 'Table Design'. 3. Define fields and data types. 4. Set primary key if necessary. 5. Save the table.
Go to 'Home' tab and select 'Import Data'.
Define fields and data types in Excel before importing.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you define primary keys in a table?
Primary keys are optional for every table.
A primary key is a column that can contain duplicate values.
A primary key can be any column in a table.
A primary key is a column or set of columns that uniquely identifies each row in a table.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of relationships in a database?
To eliminate the need for data normalization.
To store data in a single table only.
To create visual representations of data without structure.
The purpose of relationships in a database is to connect and organize data across different tables, ensuring data integrity and facilitating efficient data retrieval.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you enter data into a table in Access?
Use SQL queries to add data to the table.
Enter data by importing from an Excel file.
Create a new table and copy data from another database.
Open the table in Datasheet View and enter data directly into the cells.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference between importing and entering data?
Importing data is only for large datasets.
Entering data requires special software tools.
Importing data is always faster than entering data.
Importing data is bulk transfer from external sources, while entering data is manual input.
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