A secondary school needs a textbook on this relatively new subject DATA PROCCESSING added to curriculum (TRADE
)
Please recommend a Textbook
Some of the topics in the course content are

Indexes
Data modelling
Normal form
Entity-reletionship model
Relational moel
Fie organisation
Internet
Presentation packages
Webdesign packages
Graphic packages
Database security
Crash recovery
Paralle and distributed databases
Networking
Computer virus
Maintenace of computer