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What are the properties in a relation ?
In a relation Ordering of rows is immaterial and No two rows are identical.
What are deadlocks? How can they be avoided? Ans: Deadlock considers to a particular condition when two or more processes are every waiting for another to release a resource,
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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What is Conceptual Schema? Conceptual Schema - Conceptual schema elaborates the structure of the overall database for a community of users. It hides the details of physical sto
What are multiple inheritances? Multiple inheritances allow a class to inherit variables and methods from many super classes.
Draw an Entity-Relationship model for the relational schema given in the Appendix. Show all the entities, relationships, relationship names, and attributes and also underline the
What is the main advantage of the object model? What are its different components? The object model focuses on the logical data structures. Each object model comprises of many
I need ERP system We are selling automotive spare parts on the internet and we require ERP software, which would sync with our e-shop. Our e-shop doesn't use any e-commerce plat
Have database built but having problems with some questions that go with the database
What is vertical fragmentation? Vertical fragmentation divides the relation by decomposing the scheme R of relation r.
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