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Explain I command in QBE ?
I : It is the command in QBE that is used to insert tuple (s) into the database
What is the way a particular application views the data from the database that the application uses? Sub schema is the way a particular application views the data from the data
explain in detail about time stamp orderting/
Discuss the count function? The COUNT function used returns the number of tuples or values fixed in a query. The count function comprises two types of syntax: (1) COUNT (*)
The Concurrent Transactions Almost every commercial DBMS support multi-user environment. Therefore, allowing multiple transactions to proceed concurrently. The DBMS must make
distributed quey processing
Type of database technology
How to define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a
What is Gathering information and Producing ERD Gathering information: This could be a written document that explains the system in question with reasonable quantity of detai
Performance of Various Concurrency Control Mechanisms
There are two major types of fragmentation: Horizontal& Vertical. Horizontal fragments, as the name suggests are subsets of tuples and vertical fragments are subsets of attributes
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