Latest Answer : We can normalize the many to many realationship, by creating a third table contaaining the primary keys of both the tables ...
What is the degree of relationship? Name the three degrees.
Latest Answer : It basically represent the number of entities participating in relation. ...
What is meant by type of participation? Name the three types of relationship participation.
Latest Answer : I just know two types of Participation: Total and Partial.Lets take an example of 2 entities Department and Employee.
Relation: For each department there is an Head of the Department (who is an employee again). (Dept-Head-of-emp)So now for this relation ...
Explain the representation of a one-to-many strong entity relationship in a relational database design.
Latest Answer : Department-Employees Under one Department many employees are working.Project-Employees ...
Using XMLType for Handling XML Data in the Database | |
Using XMLType for Handling XML Data in the Database Being an object type XMLType can not only be used to store XML data in the database but also to operate on that data via its built in methods Regardless of the storage model you choose XMLType provides a set of XML specific methods to operate on XM
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Using Oracle Database for Storing, Modifying, and Retrieving XML Data | |
Using Oracle Database for Storing Modifying and Retrieving XML Data With Oracle XML DB you have various XML storage and XML processing options allowing you to achieve the required level of performance and scalability One of the most interesting things about Oracle XML DB is that it allows you to per
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Performing XSLT Transformations inside the Database | |
Performing XSLT Transformations inside the Database Now that you have the employees XSL stylesheet stored in the database and the xmlusr schema is permitted to access the hr employees table you can create a script that will instruct the database to build an HTML page based on the data stored in hr e
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Moving All the XML Processing into the Database | |
Moving All the XML Processing into the Database In the preceding example the database server performs only a part of the XML processing while the rest is still performed by the PHP engine Specifically the database server generates an employees XML document based on the records from the hr employees
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Performing XML Processing inside the Database | |
Performing XML Processing inside the Database When building XML enabled applications on top of Oracle there are many advantages to performing the XML processing inside the database when compared to performing it on the client The key advantages to perform XML processing inside the database are as fo
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What is Operational Database | |
Operational Database is the database-of-record, consisting of system-specific reference data and event data belonging to a transaction-update system. It may also contain system control data such as indicators, flags, and counters. The operational database is the source of data for the data warehouse
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Evolution of database systems | |
The Evolution of Database systems
File Management System
Hierarchical database System
Network Database System
Relational Database System
File Management System: The file management system also called as FMS in short is one in which all data is stored on a singl
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Database Concurrency and Reliability | |
Database Concurrency and Reliability Overview
Concurrency and reliability have long been “hot topics” of discussion among developers and users of distributed systems. The fundamental problem can be seen in a simple example, as follows.
Suppose two users are working on the same
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Database Interaction | |
Database Interaction
Efficient interaction, efficient storage, and efficient processing are the three key properties of a successful database platform. In this article, we explore the first: efficient interaction.
Interaction Category 1: Command Line Clients
Many database platforms are shipped with
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Database Systems | |
Early Databases
In the 1960s, the System Development Corporation, one of the world’s first computer software companies and a significant military technology contractor, first used the term “data base” to describe a system to manage United States Air Force personnel. The
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