In today's world, technology has incorporated a web connecting everything, from people and organizations, leading to an increase in data daily. In this data-driven world, organizations are constantly looking for…
Kubernetes is an open-source orchestration platform that automates the deployment, scaling, and management of containerized applications. It was originally developed by Google and is now maintained by the cloud native…
CREATE TABLE statement is used to create a new table in a database. This statement is applicable in many databases like Oracle, Microsoft SQL Server, and MySQL. There are two…
A transaction is a logical atomic unit of database operations that is executed as a single unit. It can have a single or multiple statements. SQL-based transaction satisfies the ACID-based…
In the Current world, Data is the new gold or oil for many organizations. It is a lifeline for many businesses as it provides valuable information to a different line…
Apache hive is a data warehousing tool in which we use a Structured Query Language(SQL) like language called Hive Query Language(HQL) to perform various ETL tasks on given data. Hive…
What is ETL? ETL stands for Extract, Transform and Load. It is used for extracting data from different sources and transforming it and loading the data for the end-users to…
What exactly is Metadata? Metadata is the information that describes other data, or, simply speaking, it is data about the data. It is the descriptive, administrative, and structural data that defines…
What is a Data Engineer? The general job of the engineer is to design and build things. In the field of software engineering, engineering design, and building software. When we…
Each database has one or more tables having rows and columns. Keys in the Database are columns or groups of columns that are used to identify rows in tables. These…