Science and Tech

What you can get from a database management system

Document databases are a type of non-relational database which is specifically made for saving and querying data. Document databases help simplify the task of storing and querying data in a database by taking advantage of the same format used in the application code.

The evolution and development of the database management system

At first, the database management system was released in 1960. Apart from the ability to store and extract data sets, the database management system enabled authorized users to manipulate the data through such processes as inserting, deleting, creating, managing and revising.

After a time, data got more complicated and focused. Thus, there was an increasing demand on a database management system which could handle these needs. During the 19070s, there was the first relational database management system. This more effective version of the conventional database management system is able to store data in rows and columns and can be accessed by utilizing a database query language such as SQL.

After the release of relational database management systems, a lot of database management systems started to turn up with many types.

Document databases are a type of non-relational database which is specifically made for saving and querying data. Document databases help simplify the task of storing and querying data in a database by taking advantage of the same format used in the application code.

ER model databases are a high-level conceptual kind of data model diagram, ER or entity-relationship modeling, which will assist in making analysis for data requirements in a systematic manner.

Graph databases are a type of NoSQL database, which act as a replacement for graphs with vertices and edges. The vertices represent such entities as persons or places whereas the edges are a representation of the relationship among two nodes.

Hierarchical databases follow a data model in which the data is arranged like a tree. The data is saved as records and different records will be linked through using links. Each record has a lot of fields while each field comes with only one value.

NoSQL databases are an alternative to the conventional relational database, which is truly useful when dealing with large sets of distributed data. Unlike SQL databases which are based on tables, NoSQL databases are based on documents, graph databases or wide-column stores.

Network databases work as a form of database model in which connecting different member records or files to various owner files and vice versa is possible. In this model, every member information will be a branch of a tree which is connected to the owner, represented by the bottom of the tree.

The importance of a database management system

As having mentioned above, this post is going to figure out the benefits that every user can earn from a database management system. First of all, the database management system is used as a solution to the influx of data which is generated on a daily basis.

There are a lot of advantages related to the capability of processing huge amounts of data in an effective manner but the most important ones are as follows.

First of all, database management systems play an important role for organizations as they provide an effective way to deal with huge amounts and different kinds of data. The capability to approach data effectively will help organizations generate inform decision faster.

Secondly, database management systems are really versatile. They can be approached on different devices such as computers, tablets or even mobile phones.

The next benefit is that database management systems enable categorizing and structuring of current data. More precisely, a database for an educational institution can save student’s admission information such as names, expected graduation year or nationality while beign able to save their grades and GPA.

In addition, a database management system helps lots of authorized users approach the same database no matter where they are and no matter how they would do so.

For example, an HR admin is able to assess the salary raises annually by evaluating each employee’s current wage and increment increase decided by their manager to decide that amount. Simultaneously, the development team can approach the same database to replace a team member or employ a new one.

The next advantage of database management systems is to set up an organized working environment. A database management system provides a way to make a smooth and well-arranged working environment as its query language like SQL will provide a useful manner to approach, make updates and process data saved in databases.

Last but not least, there are more unique and more effective ways to control data. An ideal database management system will not only enable authorized users to add new data to the database but also make updates the current data and remove any data which would be obsolete.

Moreover, there have been a lot of new and more efficient ways to carry out tasks related to database management systems. For instance, machine learning technology has enabled database management systems to make recommendations by which a decision maker or an admin can manage the database better.

The difference between relational database management systems and the conventional database management systems

The database management systems are the old versions of the relational database management systems. There are a lot of reasons why relational database management systems have been more popular than the conventional systems.

First of all, there would be inconsistency problems with a database management system. This is due to the fact that the conventional database management systems do not follow the ACID properties, including atomicity, consistency, isolation and durability. More precisely, atomicity makes sure the whole transaction will happen or not. Consistency makes sure the accuracy of a database. The isolation makes sure that different operations can happen at the same time without causing any inconsistency in the database while durability guarantees that the updates can be made to the database even when there is a system failure.

Secondly, only a single data factor can be approached at a single time for a classic database management system. A lot of data factors can be accessed simultaneously in a relational database management system.

Finally, a relational database management system provides quick data fetching because of its relational approach.

Leave a Response