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What is the difference between a DevOps engineer and a SRE?

DevOps Engineer and Site Reliability Engineer (SRE) are two roles in the software development and operations field that share some similarities but also have distinct differences. Here’s a brief comparison: Role and Responsibilities Skill Set Goal

What is Cardinality in Databases?

Cardinality, in the context of databases, is a critical concept that has two primary applications: it pertains to the uniqueness of data elements within a column, and it describes the nature of relationships between different tables.

What is a Non-Repeatable Read Anomaly?

Non-Repeatable Read is a database anomaly that occurs in the context of transactions, which are sequences of database operations that should behave as single, indivisible units of work. Non-Repeatable Read happens when a transaction reads the same row twice, and gets different data each time. This is usually due to another transaction modifying the data after the first read. In this post, we look at this concept in detail and techniques to address this.

What is ACID in database systems?

ACID is a fundamental concept in database systems, standing for Atomicity, Consistency, Isolation, and Durability. These properties ensure reliable processing of database transactions. ACID Properties of Database Systems Atomicity Atomicity ensures that a transaction is treated as a single, indivisible… Read More »What is ACID in database systems?