Mapa mental
chapter 8
Contenido del mapa
chapter 8
a database is an organised collection of related data
a database allows you to find information easily quickly .
benefits of using a database :fast access to the data ,easy editing of data ,validation of data ,easy production of reports
with a database you can :add new data ,change or delete data, search the data
a key filed uniquely identifies each record .
data can be validation using :range check, type check length check, lookup check ,picture or format check ,input mask, presence check
a query or search
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- Mapa Mental sobre chapter 8, creado por Tyler french el 06/06/2016.
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- Tyler french
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