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What is a hash index?
A hash index organizes the search keys, with their associated pointers, into a hash file structure.
(a) Explain the three types of potential mistake which could occur if concurrency control is not properly enforced in the database system. Support your answer with appropriate ex
In which format database schema is written ? Data base schema is written in the DDL format.
why are older data base model are being replaced by new data model
Project Description: I would like to get a database of a website which has clients email name and phone number. If you are able to get information from a website, by entering
Question (a) Differentiate between the following terms: (i) Distributed Database v/s Distributed Database management System (ii) Homogeneous Distributed Database v/s Hete
Timestamp Ordering Protocol A timestamp is a tag that can be attached to any transaction or any data item, which indicates a specific time on which the transaction or data item
Define about the Stored Procedure - It's a set of T-SQL statements combined together to perform a single task formed by combining numerous small tasks. - When you essentiall
What is a primary index? A primary index is an index whose search key also explains the sequential order of the file.
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
What is self-transition? If there is a transition which goes back to same state, it is known as "self- transition." With a trigger action exit action would be executed f
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