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WorksheetsAccess Database
Total questions: 65
Worksheet time: 34mins
What is a Key field?
A data item which uniquely identifies a record in a table.
A data item which points to another record in a related table.
A link between two tables.
A single collection of data.
What is a Foreign Key?
A link between two tables.
A data type indicating a whole number.
A data item which points to another record in a related table.
A single collection of data.
$789.00 is an example of which data type
Text
Currency
Boolean
Decimal
Validation makes sure data is...
Accurate
Reliable
An example of verification is...
Proof reading
Look up lists
Length checks
Check digit
A search using the criteria =A*
Will find any word with an A in it
Words starting with an A
Nothing
What field type would be used to store the following data "0125-5221"
Text
Number
Time/Date
What does the data values from a field need to be in order for it to be named as a Primary Key
Values need to be number
Values need to be even
Values need to be unique
Values need to be a combination of letters and numbers
Which field is the best fit to be a primary key?
FilmName
FilmID
AverageRating
Director
How is the table being sorted?
YearReleased Ascending
AverageRating Descending
AverageRating Ascending
FilmName Ascending
What is referential integrity?
When the primary key is different from the foreign key and no changes are applied to either
When the foreign key is similar to the primary key any changes are just applied to the foreign key
When the primary key and the foreign key are the same and any changes are applied to both keys
Head teacher who runs a School
A field is...?
A specific piece of information in a database.
A category of data in a database, eg First Name or Date of Birth.
A large, open area usually covered in grass.
A box in a database.
Which is not an advantage for using computer based databases?
Can easily sort data into order e.g. alphabetic
Can easily make back-up copies
If there is a power-cut, you can’t use it
Can import or export data to/from other packages
When looking at a database how can you easily spot fields and records?
Fields are the rows of the database and records are the headings.
Fields are the headings of a database and records are the rows.
What is a 'database'?
A database is a collection of data or information which is stored in a logical and structured way.
A database is a place where all of the data in the world is stored.
A database is something that does not store data.
A database is a collection of data but not information.
The HD field is using the data type Boolean
True
False
What am I? I am a way of searching for data or information in a database.
Table
Record
Query
Field
A database is a large collection of related data and computerised ones are used because....
Paper filing cabinets are outdated and take up too much room
Computerised databases are much better then paper ones
Computerised databases take up less space, can be easily edited and are faster at searching and sorting information
Computerised databases are much more efficient than paper ones, there are fewer errors and its faster to find all the data you need
Which best explains the differences between a flat file and a relational database?
Flat files only have one table
Flat files only have one table and are prone to data inconsistencies unlike relational databases
Relational databases have multiple tables to avoid data anomalies which are commonplace in flat file databases
A foreign key
is a primary key in its own table and used in a second table to create a link between them
is a field in both tables used to create a link between them
is a primary key used in two tables to create a link between them
is where the primary key is made up of two or more fields
What is an example of a computerised database?
Website
Library system
Powerpoint
Word
Databases have a structure that has
A file which is made up of records and each record has a number of fields
A table which is the file. It has records and fields in the table.
Multiple tables each with their own file, records and fields
What is the name of the following image
Data Dictionary
Table
Query
Report
What is the correct data type:
17th January
Text
Currency
Date / Time
number
Yes / No
What is the correct data type:
2008
Text
Currency
Date / Time
number
Yes / No
What is the correct data type:
£1.25
Text
Currency
Date / Time
number
Yes / No
What is the correct data type:
Jodie
Text
Currency
Date / Time
number
Yes / No
What is the correct data type:
hot/cold
Text
Currency
Date / Time
number
Yes / No
What is the correct data type:
14/05/07
Text
Currency
Date / Time
number
Yes / No
