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Bhanu Priya has Published 1581 Articles
Bhanu Priya
915 Views
A distributed database is the one where all the storage devices are not attached to a common CPU (central processing unit). It may be distributed over a network of interconnected computers, or it may be stored in multiple computers located in the same physical location.Distributed Database Management SystemA distributed database ... Read More
Bhanu Priya
7K+ Views
A Clustered index is one of the special types of index which reorders the way records in the table are physically stored on the disk. It sorts and stores the data rows in the table or view based on their key values. It is essentially a sorted copy of the ... Read More
Bhanu Priya
792 Views
In the primary index there is a one-to-one relationship between the entries in the index table and records in the main table. Primary index is used on a primary key.Types of Primary IndexPrimary index are of two types, which are as follows −Dense Primary IndexIn a dense primary index an ... Read More
Bhanu Priya
540 Views
A Database Management System (DBMS) is a mix of computer software, hardware, and data intended to electronically control information by means of computer preparation.Two sorts of database management systems are DBMS and FMS.In straightforward terms, a File Management System (FMS) is a Database Management System that enables access to single ... Read More
Bhanu Priya
263 Views
File organization is the way of storing data in the file. It is very useful as it determines ways of accessing it, storing it while maintaining the flexibility of the system.Role of file organizationHence, the roles of file organization are as follows −It provides flexibility.Easy access of data in files.Easy ... Read More
Bhanu Priya
6K+ Views
Let us begin by understanding the hashed file organisation.Hashed File OrganisationHashed file organisation is also called a direct file organisation.In this method, for storing the records a hash function is calculated, which provides the address of the block to store the record. Any type of mathematical function can be used ... Read More
Bhanu Priya
3K+ Views
Indexing is one of the techniques used to optimize performance of a database by reducing the number of disk accesses that are required when a query is processed.A database index is a data structure that is helpful to quickly locate and access the data in a database table.Indexes are created ... Read More
Bhanu Priya
2K+ Views
Database failure is a quite common problem of information technology. It can occur even with good database system software. There may be a simple error which can lead to loss of the complete database.Causes of database failureSome of the causes for database failure are as follows −Database file corruptionIf a ... Read More
Bhanu Priya
5K+ Views
OLAP represents online insightful handling and can be characterized as: "Online logical preparation alludes to an assortment of exercises typically performed by End-clients in the online framework."OLAP incorporates choice help, demonstrating, data recovery, impromptu detailing, and imagining a scenario in which investigation. OLAP focuses on choice help needs.ERP framework is ... Read More
Bhanu Priya
13K+ Views
Database systems which are similar to some different PC frameworks, are mainly dependent upon disappointments however the information put away in it should be accessible as and when required. At that point, when an information base bombs it should have the offices for quick recuperation. It should likewise have atomicity, ... Read More