SQL Server Cursors Explained with Example
🧩 Introduction In SQL Server, sometimes an application requires processing data one row at a time, rather than as a […]
Most Imp SQL Concepts
This category contains the most important SQL Concepts
SQL Server Constraints Guide for DBAs & Developers
Introduction Introduction to SQL Server Constraints In SQL Server, constraints act as rules that maintain data integrity and accuracy within
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Advanced TRY CATCH in SQL Server for Error Control
Introduction: Error Handling in SQL Server In database applications, errors are inevitable — invalid data, constraint violations, deadlocks, and connection
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Sharding vs Partitioning: Key Differences, Use Cases, and Examples Explained
Sharding and partitioning are both strategies for horizontally dividing a large database to improve performance and scalability. While they share
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Database optimisation, Most Imp SQL Concepts, SQL Advanced, SQL Server
Understanding SQL Execution Plans: A Complete Guide for Database Professionals
Performance tuning in SQL begins with understanding how queries are executed behind the scenes. This is where execution plans come
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Most Imp SQL Concepts, SQL Server, SQL Tips
What are the Feature Differences Among SQL Server Versions?
Feature Differences Among SQL Server Versions Below is a comparison of key features introduced or enhanced in SQL Server 2016,
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Understanding Estimated and Actual Query Plans in SQL Server
An estimated query plan is a prediction based on available statistics whereas an actual query plan includes runtime execution details.
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Correlated Subqueries in SQL Server
This article explains Correlated subqueries which are a powerful SQL feature for handling row-specific comparisons and complex conditions.
Comprehensive Guide to SQL Window Functions
🔷What are Window Functions? Window functions are a class of SQL functions. They perform calculations across a set of table
Mastering NULL value in SQL Server
This article explain key concepts and best practices related to NULL value in SQL which help in mastering the NULL value in SQL Server.
Securing data in SQL Server
This article explained about measures for securing data in SQL Server at various levels to protect data from unauthorized access and breaches.
Understanding CDC in SQL Server
In SQL Server, Change Data Capture (CDC) is a powerful feature that tracks changes (inserts, updates, and deletes) made to
SQL Triggers – An Introduction
SQL Triggers – An Introduction Contents Introduction Magic Tables Difference between Stored Procedure and Trigger DML Triggers After Triggers Syntax
Case Statement/ Expression in SQL Server
Case Statement/ Expression in SQL server Sometimes we need to get one result output from multiple possible outcomes based on
Pivot and Unpivot table in SQL SERVER
Pivot Table:- Pivot tables are used to summarize and display the data, specially in case of report data by means