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DATABASE 4A - Coggle Diagram
DATABASE 4A
Which are the functions of a database?
define a data type
define a data format
store data in records
carry out queries
perform calculations
present data in reports
Which are the elements of a simple database?
vertical columns- FIELDS
horizontal rows- RECORDS
the first column- KEY FIELD
How many types of database are there?
RELATIONAL: tables are connected
NON-RELATIONAL: data stored in less pre-defined way
FLAT FILE: one table
What is it?
a collection of organized data
What is the most used database software?
The DATA MANAGER