Database - Can views be indexed? If yes, which views can be indexed and can index be altered?

GeekInterview.com > Interview Questions > Database

Go To First | Previous Question | Next Question

Database | Question 19 of 69

Can views be indexed? If yes, which views can be indexed and can index be altered?

Total Answers and Comments: 2

Last Update: June 08, 2006 Asked by: Ruchir Jain

Performing DML Operations on XML Schema Based XMLType Views

Performing DML Operations on XML Schema Based XMLType Views Analyzing the underlying query of the empSch v view discussed in the preceding section you may note that each attribute of the EMP T object used in the select list maps to a certain column of a single table namely emps What this means in pr

Using XMLType Views

Using XMLType Views Using XMLType Views XMLType views provide a convenient way to construct XML representations of relational data without physically migrating that data into XML Once written an XMLType view may be used in various queries making them simpler and so increasing their readability mosgo

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

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

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

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

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

What is Bit Mapped Index

Bit Map Indexing is a technique commonly used in relational databases where the application uses binary coding in representing data. This technique was originally used for low cardinality data but recent applications like the Sybase IQ have used this technique efficiently. The word cardinality is

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

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

User Name		Remember Me?
Password

Question Bank