Gap between a Blockchain and a Relational Database

Gap between a Blockchain and a Relational Database

What are blockchain and relational database?

Blockchain is a method of storing data in such a manner that it is hard or impossible to alter, hack, or defraud it. A bitcoin is a decentralized log of operations that is copied and distributed throughout the blockchain’s complete computer network systems.

Blockchain is a decentralized and distributed ledger system. It also provides data security, transparency, and other benefits.

A relational database is made up of tables, sections, and entries that are linked together. RDBs, on the other hand, have specified relationships between every table and group of data. The data is extensively arranged to make it easier to access the correct data at the right moment.

In any case, the tables will interact and feed data to each other as needed. A relational database management system, on the other hand, makes use of Structured Query Language (SQL) to provide easy programmatic access to the database interface.

Information can organize in a relational database management system in a variety of ways. And the businesses that utilize it will decide how the information in the network will organize.

What is the distinction between a blockchain and relational database?


The first significant distinction between a relational database and blockchain technology is that they both have their authority mechanisms. There is usually some type of centralized government in a relational database system.

The system’s architecture framework does not include any type of decentralization. Essentially, it gives the administration authorities sole control and allows them to make adjustments as they see fit.

Blockchain technology provides a decentralized authority. What does this imply? When it comes to maintaining the ledger, this implies that there is no centralized authority or intermediary.

As a result, users have complete control over what occurs in the network. As a result, no central power can make adjustments as they see fit.


Another significant distinction between a blockchain and relational database is that their record systems are different. A relational database system follows standard project management principles. Even though it has been the basic framework of our online platform for a very long time, there are some limitations.

The customer approach, in actuality, is very susceptible to malware and is attacked regularly. Blockchain, on the other hand, uses a peer-to-peer structure rather than a customer one. Customers on the node can utilize cryptographic techniques to communicate with one another. It also improves the security posture of the public ledger, making it less vulnerable to hacking.

Data Processing

Both systems treat data differently. It provides CRUD for a relational database. Customers can Create, Browse, Modify, and Remove information on that platform. In fact, with so much flexibility to modify or change, the platform’s value is subject to corruption. People may simply change the value to gain more advantages.

Furthermore, the governing authority can edit or remove information that is critical to the organization in many circumstances. It’s all for their selfish advantage.

Blockchain simply allows you to read and write data. In many circumstances, it can also prevent those two from being accessed by the general public. As a result, you can only input data once, and you won’t be able to alter or remove it again.

Reliability of Information

When compared to a relational database system, blockchain has better standards of credibility. First and foremost, anyone attempting to alter the transaction’s amount will undoubtedly alter the Hash ID as well.

As a result, the block will become disconnected from the initial chain and useless. Furthermore, blockchains provide extra security layers at every dangerous moment, such as extra security standards in the permission procedure and so on. As a consequence, technology makes every effort to maintain data integrity.

In a relational database, however, this is not the case. They do, however, provide auto error checking and the required autocomplete feature. It indicates that no entries or sections in the table can be left unfilled. It can also specify the type of data that will be stored there, such as integers or characters. However, it is unable to prevent others from altering the data.


Another excellent feature of the system is that it provides complete transparency whenever it comes to digital verification. As a result, everybody on the network have trust in the process because it depends on a full-proof mechanism.

Even more so, with blockchain networks, the ledger system is open to everybody. In local individuals, the access options depends on specific parameters.

The relational database management system does not provide any transparency. It’s completely controlled, and consumers have no means of verifying whether or not the system contains accurate information.

They can’t even check whether these are correct or incorrect. So, users’ faith in the process is gradually eroding.


Relational databases are historical systems that for a very long time. As a result, putting them in place doesn’t take long. A relational database takes longer to set up than conventional databases. It is, however, inexpensive.

Blockchain, on the other hand, is still a relatively recent addition to the globe. It’s in the process of changing, making it rather difficult to set up. As a result, the cost of implementing blockchain is quite high. You have to pay more to those people who you hire for this work. As you can see, upgrading to the blockchain network will cost you more. However, the investment will undoubtedly be worthwhile in the long term.


This property produces a significantly more mixed result. In truth, if you contrast blockchain to a relational database, you’ll get a significantly faster result. However, how can a legacy network operate in less time?

Because the relational database management system lacks complicated functionalities such as consensus or other procedures that might make the system slow down.

Furthermore, because central agency mange the system, that’s why there is no excessive traffic taking of the bandwidth? 

As there are a set of nodes, that’s why blockchain is substantially quicker. However, when that number increases, the system grows slower with time. As a result, blockchain’s efficiency changes over time.


Finally, there are no encryptions in the relational database management system. It isn’t like the data cannot encrypted. However, the problem is that in the database, customers inquire about getting specific information quickly by exploiting the relationships between tables. However, if encryptions are used, the system will have to decode all of the data individually before determining which one is required.

Blockchain, on the other hand, uses cryptography to safeguard all of the data in the system. Anyone attempting to modify the number would get an entirely different result. The cryptography is impenetrable, and no one can modify it.

Own History

Only current information includes in centralized databases. Information is already store in it. The situation is different with blockchains. They can not only store up-to-date data but also go back in time and lookup information from the previous transactions. Blockchains can generate databases with stories of their own, growing like that ever records of their very own history.

Read also :Blockchain security problems , how to address them

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