Database
vocabulary - glossary of terms |
Data |
A collection
of raw facts and figures |
Information
|
Data that
has been sorted, filtered, grouped or in some way organised, processed
or put into context in order to give it meaning |
Field |
A category
of information (the columns in a table) |
Field
name |
The heading of a field (for
example; firstname, lastname, address) |
Field
Entry |
Data entered into one cell in
a database |
Record
|
Information about one data subject
(the rows in a table) |
Data
type |
The type of data that can be
entered into a field (for example; text, number, data and time, currency) |
Data
Subject |
A single
person or object in the database |
Data
view |
Allows
you to see actual data in the database |
Design
view |
Allows you to change the layout
of the database (no actual data is shown) |
Tabular
view |
Seeing all records and fields
in a grid |
Columnar
view |
Only shows the records for one
data subject at a time |
Sort |
Changing the order of one or
more fields in the database (for example put into alphabetical or
numerical order) |
Filter |
A temporary view of a database
which only shows data that meets certain criteria (only certain records
will be shown) |
Query |
A saved view of a database which
only shows data that meets certain criteria (only
certain fields and records will be shown) |
Report |
A printed
output from a database based on a query or table |
| |
| Lezynski Reddick Naming
Convention |
You will have noticed
the use of three letter abbreviations used for naming objects in
these exercises using the
Leszynski naming convention
which is an internationally recognised way of naming objects in
databases.
|
| tbl |
prefix for tables |
| qry |
prefix for queries |
| frm |
prefix for forms |
| rpt |
prefix for reports |
| |
| UK Film Classifications |
| UK Film Classifications are
set by the British Board of Film Classifications (BBFC) |
| U
|
(1912-present)
- This stood for 'Universal' and denoted that a film was suitable
for everyone. |
| PG
|
(1982-present)
- Replacing the old A certificate, this stood for 'Parental Guidance'.
Although anyone could be admitted, PG certificate films contained
an implicit warning that the film might contain material unsuitable
for children. |
| 12
|
(1989-present)
- Introduced for cinema films in 1989 and video releases in 1994,
this covers films that, while containing material deemed unsuitable
for children, were nonetheless considered appropriate for 12-year-olds
and upwards. |
| 15
|
(1982-present)
- This replaced the old AA certificate, raising the age limit to 15
in the process. |
| 18
|
(1982-present)
- This replaced the old X certificate, barring people under eighteen. |