المشاركات

٧ - The foreign key is a column or group of columns in a relational database table that provides a link between data in two tables. Q4. What are Primary & Foreign keys? Give suitable examples? · The Primary Key is a combination of Fields that contains values that uniquely define records. . The foreign key is a column or group of columns in a relational database table that provides a link between data in two tables. Q6. Draw 5 tables that would relate to a University System. relationships between these tables. Q6. Draw 5 tables that would relate to a University System. Establish appropriate  relationships between these tables. Q5. What are the differences between tables, forms, queries & reports? · Table is a collection of data about a specific topic, such as students or contacts. · Form is document used to input add data to a table. It can be arranged in an order specified by the user. Query is a question the searches a database for information. · Report is the gra