Το σχεσιακό μοντέλο Βάσεων Δεδομένων

• Main Authors: Stalidis, Georgios, Σταλίδης, Γεώργιος
• Format: 7
• Language: Greek
• Published: 2016
• Subjects: ΒΑΣΕΙΣ ΔΕΔΟΜΕΝΩΝ; ΣΧΕΣΙΑΚΟ ΜΟΝΤΕΛΟ; ΔΙΑΓΡΑΜΜΑ ΟΝΤΟΤΗΤΩΝ-ΣΥΣΧΕΤΙΣΕΩΝ; ΠΙΝΑΚΕΣ; ΠΛΕΟΝΑΣΜΟΣ ΔΕΔΟΜΕΝΩΝ; Data Bases; Relational Model; Entity-relationship Diagram; Tables; Data Redundancy

This chapter focuses on the basic concepts of the Relational Model, which is the most common and widely used data management model. The Relational Model is based on organizing data in tables (or relations) which are linked with each other through common attributes. The purpose of the chapter is that...