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Define average seek time.
The average seek time is the average of the seek times, calculated over a sequence of random requests.
what is database management system? & why it is required?
It defines that no primary key value can be null. This is as the primary key is used to recognize individual tuple in the relation. So we will not be able to recognize the records
Explain the Role of a database administrator a. Defining the Schema The DBA describes the schema which consists of the structure of the data in the application. The DBA
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.
what is primary key
How to reduce data redundency
#question.ERD of any car
sir, could anybody help me in getting complete information about the mentioned topic
In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
What do you mean by an execution plan? Why is it used? How will you view it? a.) An execution plan can be known as a road map which textually or graphically illustrates the dat
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