Imprimir Ordenar Palabras: Relational Database (technology - k12

1. How do relational databases store data ?

related on database tables data Relational multiple store

2. What are tables in a spreadsheet?

In are vertical spreadsheet applications rows tables and horizontal columns

3. What terms are used for database tables?

and Database records tables fields have

4. Why are rows called records in a database?

on called because a belongs information all the records together row Rows are

5. Why are columns called fields in a database?

because are fields field Columns of kind information the each same has called.

6. What is the purpose of the primary key field?

is purpose unique field give of to the a each primary identifier The record

7. Why would you use an employee ID# as a primary key rather than the employee name?

ID may unique the have is same though name, two employees Employee each Even.

8. What is a foreign key?

field key that relational database to similar the the table in table primary looks another field A a of in

9. How does a relational database create relationships?

number having a a in field number primary the field key the in By to foreign correspond key

10. What is an example of a one-to-many relationship in the relational database pictured?

only to Even one can many though numbers have person person, can phone belong phone each number each.