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