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Alex Onsman has Published 203 Articles
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Alex Onsman
111 Views
The fadeTo( ) method fades the opacity of all matched elements to a specified opacity and firing an optional callback after completion.Here is the description of all the parameters used by this method −speed - A string representing one of the three predefined speeds ("slow", "def", or "fast") or the ... Read More
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Alex Onsman
3K+ Views
Cache is a type of memory that is used to increase the speed of data access. Normally, the data required for any process resides in the main memory. However, it is transferred to the cache memory temporarily if it is used frequently enough.A diagram to better understand the data transfer ... Read More
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Alex Onsman
14K+ Views
A single processor system contains only one processor. So only one process can be executed at a time and then the process is selected from the ready queue. Most general purpose computers contain the single processor systems as they are commonly in use.A single processor system can be further described ... Read More
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Alex Onsman
777 Views
Computer storage contains many components that are used to store computer data. Some information about the various storage devices is given below.Computer Storage DefinitionsThe computer storage devices include Primary and Secondary Storage devices. These are explained in detail as follows −Primary Storage DevicesPrimary storage is also known as the main ... Read More
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Alex Onsman
16K+ Views
A centralized database is stored at a single location such as a mainframe computer. It is maintained and modified from that location only and usually accessed using an internet connection such as a LAN or WAN. The centralized database is used by organisations such as colleges, companies, banks etc.As can ... Read More
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Alex Onsman
682 Views
Packages are SQL procedures, functions, variables, statements etc. that are grouped into a single unit. Many different applications can share the contents of a package, as it is stored in the database.Parts of a PackageThe following are the parts of a package in Oracle −Package SpecificationThe package specifications contains information ... Read More
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Alex Onsman
1K+ Views
Open source databases are those databases who have an open source code i.e anyone may view the code, study it or even modify it. Open source databases could be relational (SQL) or non relational (NoSQL).Why use Open Source Databases?It is quite expensive to create and maintain a database for any ... Read More
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Alex Onsman
7K+ Views
Mobile databases are separate from the main database and can easily be transported to various places. Even though they are not connected to the main database, they can still communicate with the database to share and exchange data.The mobile database includes the following components −The main system database that stores ... Read More
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Alex Onsman
7K+ Views
Multidimensional databases are used mostly for OLAP (online analytical processing) and data warehousing. They can be used to show multiple dimensions of data to users .A multidimensional database is created from multiple relational databases. While relational databases allow users to access data in the form of queries, the multidimensional databases ... Read More
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Alex Onsman
11K+ Views
In object based data models, the focus is on how data is represented. The data is divided into multiple entities each of which have some defining characteristics. Moreover, these data entities are connected with each other through some relationships.So, in object based data models the entities are based on real ... Read More