They process data, that is, they extract benefits from it, completely diversified companies. Even a chain of family hairdressers in the area can keep records in Excel, using it as a CRM system. Based on the data, did you derive a list of clients who have not come for a haircut for a long time? […]
SQL-on-Hadoop: Apache Hive Vs Pig
Although Apache Pig today is not the most relevant tool for large data analytics in the Hadoop ecosystem, it is useful to know its basic principles of work and key differences from Hive. Also consider how Hive differs from PIG as a SQL-on-Hadoop tool. What is Apache Pig Apache Pig is a high -level procedure […]
3 Records Processors In Apache Nifi
Why are you need recording and reading tools in Apache NIFI processors and how they work: we understand the example of QueryReCord, PartitionReCord and Routetext. The similarities and differences of these processors, as well as the subtleties of their use in the tasks of the Date Engineering. QueryRecord processor in Apache Nifi Recall that in […]
What Is A Database And Its Types
In this article we will consider the main types of databases. On specific examples, we will reveal the advantages and disadvantages of each model, we will study the scenarios of their application. What is a database The database is a set of information about objects, structured in a certain way. Typically, databases are controlled by […]