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Soccer player ER Diagram to Relational database schema
What is RDBMS terminology for a row? A tuple is a RDBMS terminology for a row
Explain what is Aggregation ? Aggregation: This is used whenever we intend to show a relationship between an entity and the relationship. There is no provision for this in th
Project Description: Need Point of Sale software for pizza restaurant. Delivery and take out service, client's database, inventory control, order history, last order, order from
Consider the subsequent relation Professor (Pfcode, dept, head, time) It is assumed that (i) A professor can work in much more than one
Your friend owns a computer store in Yuen Long, selling Desktop and Notebook PCs and other computer peripherals. Having been rather successful with his business there, he decided t
Explain the cartesian product in Database Management System
When is a transaction rolled back? Any changes that the aborted transaction made to the database must be uncompleted. While the changes caused by an aborted transaction have be
Difference between Operating System and Database Security Security within the operating system can be executed at various levels ranging from passwords for access to system, t
Types of data independence Data independence can be classified into the following two types: Physical Data Independence: This means that for any change made in the physi
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