Oracle

 Oracle Database is a database management system from Oracle. This DBMS is also actively used by large companies and costs a lot of money, but in return it provides great functionality and reliability. Therefore, Oracle Database and Microsoft SQL Server are serious competitors to each other. The results of Oracle in the rankings are not so clear, for example, according to PYPL and DB-Engines, Oracle Database ranks first, according to Stack Overflow Oracle is in eighth position, according to surveys of Oracle software companies in fourth place in popularity. If we take into account only a couple of ratings, Oracle can even be put in first place, but if we take into account all the results, then Oracle cannot be put in first place, therefore, in our rating, this DBMS occupies the third line.

How to start mining cryptocurrency from scratch-Как начать майнить криптовалюту с нуля

 



The popularity of mining in 2021 is due to a noticeable increase in the cost of a number of cryptocurrencies. Because of this, the decision to become miners is increasingly chosen by both large investors and ordinary PC users. Today we will tell you how to start mining cryptocurrency.


Beginners who start from scratch should first figure out how to mine cryptocurrency, how to choose a coin, how to mine it, equipment and software. And also - get acquainted with the basic terms for this type of activity:


"blockchain" - a record of all transactions in chronological order;

"hash" - the result of the hash function, presented as a string, providing the connectivity of the blockchain;

"hashrate" - a unit of computing power for a certain cryptocurrency;

"rig" - one unit of equipment intended for mining;

"farm" - a group of rigs combined into one system;

"pool" or "mining pool" - a server that receives a large task and divides it into several small ones, for each member of the group.

Mining itself is a mathematical calculation that confirms transactions. Their result is finding a block for which a reward is issued. And miners are those who mine cryptocurrency, and sometimes programs for obtaining digital assets.