In SQL, a view is a virtual table that consists of a result set generated from a query on one or more base tables. Views act as a simplified or customized representation of data, making it easier to work with... Read more
SQL Constraints are rules applied to columns in a table to ensure the accuracy, reliability, and integrity of the data. They enforce certain rules on the data entering a table, such as ensuring that a column cannot have NULL values... Read more
In SQL, databases and tables are the core elements for storing, organizing, and managing data. This section will explore the SQL commands used for creating, deleting, and modifying databases and tables. Additionally, we’ll discuss methods for backing up databases and... Read more
SQL commands are categorized based on their functionality when interacting with a database. Each command type is used for specific operations, such as managing data, controlling access, or maintaining database structure. There are five primary categories of SQL commands: DDL,... Read more
SQL (Structured Query Language) is a standardized programming language designed for managing and manipulating relational databases. It is widely used in various fields like data science, software development, and business analytics. In this, we’ll dive into the basics of databases,... Read more
Basic-Level SQL Interview Questions Basic Level Questions (15 Questions) 1. What is SQL? Answer: SQL (Structured Query Language) is a standard programming language used to manage and manipulate relational databases. 2. What is a Primary Key? Answer: A primary key... Read more
Introduction Welcome to our blog post on the interview process for Power BI and SQL positions! In this blog, we will cover the three rounds of the interview process, the job description, and the skills required for the position. We... Read more
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