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Define Direct file organization?
The direct file organization is employed to enhance the performance in accessing the records than sequential file organization. In direct file organization, the key value is mapped straight to the storage location. The common method of direct mapping is by carrying out some arithmetic manipulation of the key value. This procedure is called hashing. While using this organization, an application like on-line transaction processing system can be designed that is why the centralized data are not only instantly accessible but are all the time up-to-date.
The Third Normal Form (3NF) Even though, transforming a relation that is not in 2NF into a number of relations that are in 2NF take out many of the anomalies, it does not neces
intent locking
I want an iPad app that is a simple 1 page form to complete with text. The Objective is to allow a few dozen people of the same organization (they're all on iPad) to open the app,
Key to represent relationship amongs tables is called ? A Key that represent the relationship between tables is called Foreign Key.
Data Manipulation Language Data manipulation language (DML) describes a set of commands that are used to query and change data within existing schema objects. In this case comm
Question 1 Draw a Data Flow Diagram for a University scenario Question 2 Discuss the following with suitable examples Relational Algebra Operators Database Pla
Explain pipelining. Ans: In order to describe pipelining in simple terms, think of it as breaking down processor functions into smaller and smaller parts. For instance,
Table Handling In RDBMS more than one table can be tackled at a time by using join operation. Join operation is a relational operation that causes 2 tables with a common domai
assume we have the following apllicationthat model sccer team the games they play and the players inv each teamin the design we want to capture
Advantages of Observation Methods: Bailey has pointed out four advantages of observation: 1. Superior in Data Collection on Non Verbal Behavior: When a person a opi
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