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How are Big Data and Blockchain related apart from Blockchain generates Big Data..

Using the example of a hospital or healthcare provider, poorly managed patient data increases the risk that a patient will be misdiagnosed, treated incorrectly, or that test results become lost or corrupted. There’s also a concern that two touchpoints on a patients’ treatment journey (e.g. a GP and specialist) might have different datasets for the same person.

Placing healthcare databases on the blockchain would create a single, unchangeable resource for practitioners to use when treating a patient.

The blockchain is a decentralized ledger of transactions, where every network participant validates the transaction so that the data stored is immutable and cannot be forged.

It can give a full control over your personal information. A blockchain can recognize you and give you proper level permission (or not). Similar to chmod (https://en.wikipedia.org/wiki/Chmod). A person can see what and how his data are used and by who.
If you can think about Facebook for example, let's imagine if you could be allowed to see what FB collected about you and what your personal information is used for, or how deep FB is profiling its users.

As I know blockchain is a decentralize platform of transaction. Here every network associate validates the transaction so that the data stored is absolute and it can’t be fake.

None of this is what a blockchain can do, they are capabilities of the system placed around a blockchain.  The same as any other data storage system.  A blockchain can only provide a store and audit trail of itself.

A blockchain does not generate "big data", to say so is to misunderstand both technologies.  Blockchains store data, on a scale magnitudes smaller than used big data, and is fundamentally structured again unlike big data.  Big data is about analysis of large volumes of unstructured data for behavioral and predictive analytics.  Simply tracking transactions back and forth is not such data. 

Blockchain is a system where people can make transaction of currency or information from one user to another user. It is a decentralized system, which means it doesn't need any central server to do anything, rather p2p network is used in blockchain. In blockchain, no third party is needed in any transaction, only the sender and the receiver and this is what made the blockchain so safe, secure and transparent.

Data can be stored in a blockchain where it will be immutable and can be public or private. Big data would be something that can be stored in a blockchain depending on what it contains. For example, you have every data of your employees about 100 of them, you can store them in a block where you can also edit it and make it public for your every employee to see, by editing it, you will only generate another block connected to the previous edited block forming a blockchain. You can also choose whether this "Big data" you stored can be partially private and public at the same time.

Blockchain is a decentralized technology where two people can exchange currency, information and there is not any third person needed in the process. Decentralized means there is not any central server needed, rather they use peer-to-peer network. This blockchain is fully safe and secure. It is impossible to manipulate any data in the blockchain by the hackers.

Both of them are inter-related to each other. Blockchain is an advanced ledger system which operates informations regarding crypto currency coins, their transactions and payments and also other informations that requires highly advanced computing system. Blockchain generates many big data.

good afternoon.
At me a question, due to what means development bitcoin-core is conducted? on what means?
and who decides the direction of this development?
Thank you

They are very much inter-related to each other. Big data mostly rely on Blockchain to generate data file that is hard to handle by normal computing system and needs advanced data processing system. Blockchain provides the service accurately.

They are closely related. Blockchain is the vast information source where users can save their personal and coin based informations, send others information about coins and transactions and many more. These informations create a big data. So Blockchain and big data are very much related.

The blockchain does not generate big data, it only acts as a storage or a ledger for the said data, but the algorithm of bitcoin, its transactions, addresses and whatnot is what produces all the data stored in the blockchain. The most important thing a blockchain can do is how it acts as a public ledger and also maintaining the credibility and integrity of the data stored within the chain. If the latter isn't followed or fulfilled by the former, there's no differentiating blockchain into any other public ledger systems.

Transactions are made on a decentralized platform, the data are stored and it cannot be tampered with, this is what blockchain is all about. It even makes it possible to send data or any information in a secured way and the names can be anonymous.

The blockchain is a decentralized ledger of transactions, where every network participant validates the transaction so that the data stored is immutable and cannot be forged. Read more on Block chain here -https://data-flair.training/blogs/blockchain-tutorial/ ...