Answer:
Computer literacy is vital to access in today’s business work because of advanced technology which ensured that most companies run a computerized system as against the manual one which was existent in the past.
The use of computerized system enables work to be done faster and in a more accurate manner which is why bring a computer literate is widely embraced in the world today.
This is port 80 for clear-text connections and 443 for encrypted (TLS) connections.
True! the farthest it can go is infared which we cannot see.
Answer:
In the database system, the constraint are basically used for enforced the referential integrity in the system more efficiently.
It maintain the data logically in the system and it basically prevent the incomplete information and data from residing the database system. Constraints are mainly represent the data columns in the table in which the rules are get enforced in the system.
There are mainly two types of constraints in the database system that are as follows:
- Key Constraints
- Foreign key constraints
