Explore the fundamentals of databases, including design, management, and querying techniques. Learn about SQL, NoSQL, and best practices for data storage!
ACID stands for Atomicity, Consistency, Isolation, and Durability. Together, these principles define how transactions behave and help prevent data corruption, even when issues like hardware failures, power outages, or concurrent data access arise. Let’s break down each of these properties to understand their significance in SQL transactions. What is a Database Transaction? Before diving into … Read more
SQL Window Functions are powerful tools that allow users to perform calculations across a set of table rows related to the current row. What is a Window Function? A window function performs a calculation across a set of table rows that are somehow related to the current row. This set of rows is referred to … Read more
Apache Cassandra is a highly scalable, distributed NoSQL database designed to handle large amounts of data across many servers, providing high availability with no single point of failure. This practical guide will help you understand how to use Cassandra for real-world applications. Key Points Key Concepts in Cassandra Login in console Keyspace A keyspace is … Read more