Ordenar Palabras Relational DatabaseVersión en línea Key vocabulary for relational database por Monica Nash 1 How do relational databases store data ? store tables Relational database data related multiple on 2 What are tables in a spreadsheet? horizontal applications columns are In tables vertical and rows spreadsheet 3 What terms are used for database tables? tables fields have Database records and 4 Why are rows called records in a database? Rows together records belongs a all called the are on information because row 5 Why are columns called fields in a database? same kind field the fields because called information Columns has of are each . . 6 What is the purpose of the primary key field? primary record to The unique identifier purpose is field give a the of each 7 Why would you use an employee ID# as a primary key rather than the employee name? employees Employee though have same Even name ID may , unique the two is each . , . 8 What is a foreign key? A in in to key the similar field of that relational a looks database table another the table primary field 9 How does a relational database create relationships? primary a the correspond field key having foreign a in the By number in to number key field 10 What is an example of a one-to-many relationship in the relational database pictured? one belong only phone each person each person have to though , many phone number can Even numbers can . , .
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