Data Engineering
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Oozie Installation in Ec2 instance . . . . .

Oozie installation. Please check your Hadoop and Java versions. If you have Java earlier then 8 and . . . . .

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Mysql
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Select vs Having operation in SQL . . . . .

In SQL, the SELECT and HAVING clauses serve different purposes in querying data from a database. Her . . . . .

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Mysql
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Hacker Rank Weather Analysis Problem Solution . . . . .

the above image shows a table with daily weather data over the last 6 months of 2020, including the . . . . .

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Mysql
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Create Table using Create Query . . . . .

In SQL, you use the CREATE TABLE statement to make a new table in a database. This statement defines . . . . .

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Articles

Mysql

Hacker Rank basic skill Student Advisor Solution . . . . .

QN. A university has started a student-advisor plan which assigns a professor as an advisor to each student for academic guidance. Write a query to f . . . . .

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Mysql

Create Table With Foreign Key . . . . .

A foreign key is a column or a set of columns in a table that establishes a relationship with the primary key or a unique key of another table. It act . . . . .

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Data Engineering
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Oozie Installation in Ec2 instance . . . . .

Oozie installation. Please check your Hadoop and Java versions. If you have Java earlier then 8 and Hadoop 2.6.5, please uninstall and re-install Ja . . . . .

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Mysql
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MYSQL join Operations . . . . .

A SQL JOIN operation is used to combine rows from two or more tables based on a related column between them. There are different types of JOINs in SQL . . . . .

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Mysql

Select query with SQL Operator . . . . .

SQL has various operators that can be used within a SELECT statement to perform different operations. Here are some common operators: 1. Arithmetic . . . . .

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Categories

Mysql

MySQL is a popular open-source relational database management system (RDBMS). It's widely used for building and managing databases for various applications, ranging from small personal projects to large-scale enterprise systems. MySQL is known for its reliability, performance, and ease of use, making it one of the most commonly used database system

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PHP

PHP (Hypertext Preprocessor) is a widely-used open-source server-side scripting language primarily designed for web development. It is a powerful tool for creating dynamic and interactive web pages, as well as building web applications and web services.

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Python

Python is a high-level, interpreted programming language known for its readability, simplicity, and versatility. Developed by Guido van Rossum and first released in 1991, Python has become one of the most popular languages in the world due to its ease of learning and extensive support for integration with other languages and tools.

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AWS

AWS, or Amazon Web Services, is a comprehensive cloud computing platform offered by Amazon.com. It provides a wide range of cloud services that allow individuals and organizations to build and manage various types of applications and infrastructure in the cloud.

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Data Engineering

Data engineering is a field of expertise within data science that focuses on designing, building, and maintaining systems and infrastructure for collecting, storing, processing, and analyzing large volumes of data. Data engineers are responsible for ensuring that data pipelines are robust, efficient, and scalable, enabling organizations to derive i

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