Read/Write data from/to PostgreSQL tables using Spark
Publish Date: 2022-10-02
Apache Spark is a fast and general computing engine used for big data processing. It can process data from different sources and formats, one of them is data from relational databases like PostgreSQL.
In our article, we will show you the steps to on how to read data from PostgreSQL t...
read moreIntroduction to CRUD Operations in Neo4j with Cypher
Publish Date: 2022-10-01
Neo4j is a very popular, widely-used No-SQL graph database. In our article today, we are going to learn how to install neo4j, and we will demonstrate on how to apply CRUD operations in Neo4j with SET, Remove, Delete and Merge (Create and MATCH) clauses using CQL language .
Do... read more
In memory Caching Database layer: Getting Started with Redis
Publish Date: 2022-09-30
The open source, in-memory data store used by millions of developers as a database, cache, streaming engine, and message broker.
Redis is a data structure server. At its core, Redis provides a collection of native data types that help you solve a wide variety of prob...
read moreImplement Binary Search Algorithm
Publish Date: 2022-09-25
let’s play a game called guess the number. suppose I have a number chosen in my mind between 1 and 100 and you have to find that exact number, and with every guess, I’ll tell you if your guess is too low, too high, or correct.
One way you might think of is to start by 1.2.3.. until ...
read moreImplement Selection Sort Algorithm
Publish Date: 2022-09-25
suppose you have a list of countries with their surface areas, and you want to sort them based on surface area, in descending order from the largest to smallest:
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