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Copy Data from One Database to another Database Project Description: I am having two MySQL databases with same tables. I just need to copy one Data from one to another dat
The Conceptual Level or Global level The conceptual level presents a logical view of the complete database as a unified whole. It permits the user to bring all the data in th
What is called query processing? Query processing refers to the range of activities included in extracting data from a database.
Database Administrator One of the main perpose for having the database management system is to have control of both data or programs accessing that data. The person having li
What is an Index? An index is a small table having only two columns. The first column has a copy of the primary or candidate key of a table and the second column having a set o
What is storage manager? A storage manager is a program module that gives the interface between the Low level data kept in a database and the application programs
Explain data dictonary on oracle ? Data Dictionary - Data dictionaries are the system tables in which contain descriptions of the database objects and how they are structured.
Question: (a) Discuss the difference between a composite key and a composite attribute. How would each be indicated in an E-R diagram? Support your answer with appropriate exam
Define two-phase locking protocol. Ans: Two-phase locking is significance in the context of ensuring that schedules are serializable. The two-phase locking protocol defines a p
In an E-R diagram an entity set is represent by? In an E-R digram entity set is represted by rectangle.
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