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What is the use of group by clause?
Group by clause is used to be relevant aggregate functions to a set of tuples. The attributes given in the group by clause are used to shape groups. Tuples with the similar value on all attributes in the group by clause are placed in one group.
explain the level architectures of the database management system
The ABC Bank authority now wants to create a database for their customers. So you are requested to modify your program of Assignment A3 as follows. The main program first displa
I need help with data warehousing and business intelligence course project about designing a data warehouse for a jewelry company that does not have one
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What is the aim of object design The aim of object design is to identify object which the system contains and the interactions among them. The system implements specification
Relational Algebra is a set of basic operations used to influence the data in relational model. These operations allow the user to specify basic retrieval request. The result of re
What is a hash index? A hash index organizes the search keys, with their associated pointers, into a hash file structure.
Need a sample of a clinic database relationships
Create a Student database and Retrieve the names of all students majoring in ‘CS' Consider the following relational database: STUDENT (name, student#, class, major) COURSE (co
properties of derirable decomposition
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