Topic 4 Database Applications Flashcards
In a database a key field has a _______ value for each _____
Different value for each record
A database and main document are required to create what? What is it necessary for the main document to have too?
Main document needs merge fields
Both needed to create a mail merge.
What is the most appropriate validation check for the following and why?
Surname
Budget
Age
Password
Surname- presence check- to be certain it’s filled it
Budget - type check - must be in pounds
Age - range check - must be a number between eg 10-18
Password - length check - can’t be too short
Name 3 relationships that can be created in a relational database?
One to one
One to many
Many to many
What defines the format of data being entered?
Data type
What is a wizard?
Program that helps a user with a simple task
What is a single item of data called?
File
How can a dropdown help users during data entry?
Can’t enter incorrect information
Quicker
Accurate
What is the purpose of primary key in a table?
Uniquely identifies data
What is data analytics?
The application of algorithms to data to identify patterns