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Explain What is Relation?
A database relation is a predefined row or column format for storing information in a relational database. Relations are equal to tables.
Which file organization provides very fast access to any arbitrary record of a file? Hashed file organization provides very fast access to any arbitrary record of a file.
Question: a) There are three concurrency problems, i.e. three types of potential mistake which could occur if concurrency control is not properly enforced in the database syst
wh
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
Consider a typical sales invoice that would include the following information. Design a single table to hold all of the information required to store an invoice including this info
In this practical assignment, we will run through a complete database application development cycle, starting with the schema design, from an initial data import to database applic
entity relationship diagram for online examination system
What is System R? What are its two major subsystems? System R was intended and developed over a period of 1974-79 at IBM San Jose Research Center. It is a prototype and its pur
Write a query that display ename annual salary and comm from emp table
what do you mean by consistency in rdbms?
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