Top 12 databases you need to know
There are different kinds of data source which are categorized according to their operate. The top 12 of these which you may come across are:
1.0 Relational Databases
This is the most common of all the different types of databases. In this, the details in a relational databases is held in various details platforms. Each table has a key field which is used to connect it to other platforms. Hence all the platforms are related to each other through several key fields. These databases are extensively used in various industries and will be the one you are most likely to come across when working in IT.
2.0 Functional Databases
In its day to day operation, a company generates a large amount of data. Think of things such as stock management, purchases, transactions and financials. All this details is collected in a database which is often known by several names such as operational/ production databases, subject-area databases (SADB) or transaction databases.
An operational databases is usually hugely essential to Organizations as they include the customer databases, personal databases and stock databases ie the details of how much of a product the organization has as well as details about the customers who buy them. The details held in operational databases can be changed and manipulated depending on what the organization requires.
3.0 Database Warehouses
Organisations are required to keep all relevant details for a very extensive period. In UK it can be as long as 6 years. This details is also a significant source of data for analysing and comparing the current year details with that of the past years which also makes it much easier to determine key trends going on. All this details from previous years are held in a databases warehouse. Since the details saved has gone through all kinds of screening, modifying and integration it does not need any further modifying or alteration.
4.0 Allocated Databases
Many organisations have several workplace places, manufacturing plants, regional workplaces, branch workplaces and a secret headquarters at different geographic places. Each of these work groups may have their own databases which together will type the main databases of the organization. This is known as a distributed databases.
5.0 End-User Databases
There is a variety of data available at the workspace of all the end users of any company. Each workspace is like a little databases in itself which includes details in spreadsheets, presentations, word data files, note pads and downloaded data files. All such little databases type a different type of databases called the end-user databases.
6.0 Exterior Database
There is a sea of details available outside world which is required by a company. They are privately-owned details for which one can have depending and restricted accessibility for a fortune. This post is meant for commercial usage. All similarly info source outside the company which are of use and restricted accessibility are together called external details source.
7.0 Hypermedia Database
Most websites have various connected multimedia pages which might include written text, videos, audio segments, photographs and graphics. These all need to be saved and “called” from somewhere when the webpage if created. All of them together make up the hypermedia details source.
8.0 Navigational Database
Navigational details source has all the items which are sources from other things. In this, one has to navigate from one reference to other or one object to other. It might be using modern techniques like XPath. One of its programs is the air flight control techniques.
9.0 In-Memory Database
An in-memory details source stores details in a computer’s main storage instead of using a disk-based storage system. It is faster and more reliable than that in a hard drive. They find their application in telecoms network accessories.
10.0 Document-Oriented Database
A papers focused details source is a different kind of details source which is used in programs which are papers focused. The details is saved in the kind of written text records instead of being saved in a details table as usually happens.
11.0 Real-Time Database
A real-time details source handles details which regularly keep on modifying. An example of this is a stock exchange details source where the value of shares change every minute and need to be updated in the real-time details source. This kind of details source is also used in medical and scientific research, banking, accounting, process control, booking techniques etc. Essentially anything which requires accessibility to fast paced and never stand still details.
12.0 Systematic Database
An analytical details source is used to store details from different types of details source such as selected functional details source and external details source. Other names given to analytical details source are details information source, control details source or multi-dimensional details source. The details saved in an analytical details source is used by the control for research purposes, hence the name. The details in an analytical details source cannot be changed or controlled. You can join the DBA course to know more about the above DBA topics.