Block 2 - Unit 4a Flashcards

0
Q

The field whose value uniquely identifies each record on a table is known as the———–

A

Primary key

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1
Q

——–the expectations of the user is the first step in database design.

A

Discussing

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2
Q

The most common type of data

A

Text

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3
Q

You can combine and maintain large amounts of data in one ——— database

A

Access

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4
Q

Through ——— a database is scrambled and compacted

A

Encryption

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5
Q

To prevent errors or corruptions you must provide users with ——— which include how to navigate through records and how to add/edit data.

A

User documentation

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6
Q

To make your database easier to use, enter a ——– for each field.

A

Description

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7
Q

Lays the foundation for every database and is limited to a single distinct subject.

A

Table

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8
Q

Apply the ———- data type when no other field can be the primary key

A

Auto number

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9
Q

Creating new fields, changing a data type, or moving the location of the database fall under database ———-

A

Maintenance

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10
Q

A collection of data contained in multiple tables, each similar to each other.

A

Relationship database

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11
Q

A structured collection of data that is stored in a computer system.

A

Database

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12
Q

Databases maintain a great amount of vital information and must be protected from ——– access

A

Unauthorized

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13
Q

A valuable resource to any organization , business or company

A

Data

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14
Q

In a database,a ——— exists between common fields on different tables

A

Relationship

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15
Q

Determining where to store the database is apart of the —————

A

Physical design

16
Q

Represents exactly one instance of the object or event which the table holds details about.

A

Record

17
Q

Describes the information contained in the column and should be something that will be easily recognizable.

A

Field

18
Q

Request ———– from users to ensure the database is and remains effective.

A

Feedback.

19
Q

A field’s ——– determines the type of information that can be stored in that field.

A

Datatype

20
Q

Define a relational database.

A

Collection of data contained in multiple tables, each similar to each other

21
Q

What is the first step in database design.

A

Discuss the expectations of the user

22
Q

What is done before you identify the types of data to store in your database?

A

Determine the purpose of the database

23
Q

The ——– describes the info contained in a column and should be something that will be easily recognized

A

Fields name

24
Q

Typing a ——– for each field helps a user input appropriate data into that field.

A

Description

25
Q

What is the most common data type

A

Text

26
Q

How many primary keys can there be on a table

A

One

27
Q

What is a relationship, in regards to databases

A

A link between two similar things. Between common fields on multiple tables and ensures data is not accidentally updated on one table but not on the other.

28
Q

During the physical design, you must determine where the database will be ——-

A

Stored

29
Q

One auto restrict access to a database is to apply a combination of ———-and ———

A

Encryption and password

30
Q

To prevent data error or corruption within the database you must provide users with ———- ————

A

User documentation.

31
Q

List two examples of database maintenance.

A

Create new fields and Change data type from text to number.