Page 73 - TCS ICT Book 8
P. 73
The City School 2021-2022
Let’s Review
1. A structured set of data held in a computer that is accessible in various ways is
called Database.
2. Tables are composed of horizontal rows and vertical columns, with small
rectangles called cells.
3. Field is a way of organizing information by type. Whereas, A record is one unit
of information.
4. A primary key in a database uniquely idenfies each record.
5. A foreign key is a column or group of columns in a relational database table
that provides a link between data in two tables.
6. Not null constraint enforces that this field cannot be left unused.
7. Unique constraint enforces that the data entered in this field cannot be
repeated or all the values entered should be unique to each other.
8. A query is a special question you apply to the database to find specific data
and get the information you want.
9. Forms allow to add, edit or display the information stored in the database
10. Reports allow you to view, format and summarize the information database.
11. Microsoft Forms allows Office 365 users to create custom surveys, quizzes, polls
and questionnaires.
My Notes!
73
