Learn SQL articles

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> SQL Server indexing is a highly efficient performance-tuning method designed specifically to speed up the data retrieval operations in SQL Server databases. An index works much like the index of a book, providing quick access to the data saved in tables. […]

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> If you’re working with SQL Server, understanding Performance Counters is critical for evaluating the server’s performance, diagnosing issues, and for optimizing SQL Server performance. They essentially represent the health indicator of SQL Server and serve as a first step towards performance

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> In the world of SQL server, the engine behind the scenes that gets things done is a query optimizer. This optimizer determines the most efficient way to execute the SQL statements that you write. The ultimate blueprint for this engine is

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> In this modern age where data is the new oil, organizations need tools and techniques to harness its potential. One such tool is SQL Server Reporting Services (SSRS), a suite of server-based reporting tools by Microsoft. But what exactly is SSRS,

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> Structured Query Language, commonly known as SQL, is a standard language for managing data held in relational database management systems. If you are getting started with SQL and want to grasp its fundamentals, then you are in the right place! Let’s

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> Welcome to our blog post that will introduce you to the core basics of SQL Server, perfect for anyone just starting down the path of learning SQL. Structured Query Language (SQL) is a standard language for accessing and manipulating databases. SQL

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> Using databases in any software application, it’s essential to understand the principles which guarantee the safety of your data. Among these principles, we find the ACID properties. ACID stands for Atomicity, Consistency, Isolation, and Durability. These guarantee that the database transactions

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> Welcome to this beginner’s guide for using the UNION operator in SQL! UNION is a very useful SQL operand that lets you combine the result sets of two or more SQL queries. What is UNION? UNION is a SQL command that

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> In the vast universe of data management, ensuring data uniqueness is a critical aspect. Similar to real life where we differentiate things based on their unique qualities, the same rule applies in the context of data. In SQL, we can achieve

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> SQL or Structured Query Language, as the name suggests, is a language used to query or operate on a database. A powerful aspect of SQL is the use of subqueries, also referred to as inner queries or nested queries. A subquery