what does productivity mean?

a measure of the efficient of an organisation or individuals

a real word thing about which information needs to be stored and maintained

database that use a series of tables to store information

what does a primary key do

all records in a database has something uniquely identify it

used to link tables together and create a relationship

stores all of the records for a particular category.

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1which one of these is not a type of database
1. Aflat database
2. Bonline
3. Cprimary key
4. Dnetwork
2what does productivity mean?
1. Athe amount of work done
2. B a real word thing about which information needs to be stored and maintained
3. Ca measure of the efficient of an organisation or individuals
4. Ddatabase that use a series of tables to store information
3a relational database means a database that use a series of tables to store information
1. AVerdadero
2. BFalso
4what does a primary key do
1. Aused to link tables together and create a relationship
2. Ball records in a database has something uniquely identify it
3. Cstores all of the records for a particular category.
5a database can manage a large amount of data without any mistakes
1. AVerdadero
2. BFalso