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What does authentication refer?
Authentication refers to the task of verifying the uniqueness of a person.
What are called journaling file systems? File systems that support log disks are known as journaling file systems.
What is trigger Triggers are statements that are implemented automatically by the system as the side effect of a change to the database.
What is known as clustering file organization? In the clustering file organization, records of several dissimilar relations are stored in the similar file.
What are the difference between clustered and a non-clustered index? A clustered index is a special type of index that reorders the way records in the table are physically stor
Illustrate the statement 'Projection operation distributes over the union operation'. Give an example. Ans: Π L (E 1 ∪ E 2 ) = (Π L (E 1 )) ∪ (Π L (E 2 )) This says th
What are composite attributes? Composite attributes can be separated in to sub parts.
These permit the user to unload a database or parts of a database and reload the data on the similar machine, or on another machine in a dissimilar location. This can be useful in
Describe about Object oriented design Object oriented design is concerned with developing an object oriented model of a software system to implement known requirements. Many OO
Write short note on Data models? Data models: A data model is an abstract model which elaborates how data is represented and accessed. The term data model has two commonly ac
As with other software, databases can potentially be used for unethical purposes. As a database developer, and a consumer, you should recognize database misuse, and how it may affe
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