A transaction in SQL Server is a sequence of operations performed as a single logical unit of work. A transaction has four main properties, often referred to by the acronym ACID: Atomicity, Consist...

The SQL UNION operator combines the results of two or more SELECT statements, removing duplicate rows. In contrast, UNION ALL combines results while retaining all duplicates. UNION may impact perfo...

Explore the essentials of connecting to SQL databases and executing efficient queries. Learn about various SQL commands, database management techniques, query optimization strategies, and best prac...

Table partitioning is a technique in database design that divides large tables into smaller, manageable pieces called partitions. This approach improves query performance, enhances manageability, a...

Normalization is a database design process that reduces redundancy and improves data integrity by organizing data into tables and defining relationships. It involves applying normal forms (1NF, 2NF...

SQL Server triggers are automated procedures that execute in response to specific events, enhancing data integrity and enforcing business rules. They include DML triggers (AFTER, INSTEAD OF) for da...

In SQL Server, DELETE and TRUNCATE are used to remove data from tables, each with distinct characteristics. DELETE is a DML command that logs each row deletion, supports triggers, and respects fore...

Stored procedures are precompiled sets of one or more SQL statements that can be executed together. Functions in SQL Server are essential database objects that contain a series of SQL statements an...

Choosing between Common Table Expressions (CTEs) and subqueries in SQL Server depends on readability, maintainability, and performance. Subqueries are ideal for simpler, single-use cases, while CTE...

This article demonstrates how to create a SQL Server stored procedure for server-side pagination, searching, and sorting. The procedure efficiently handles large datasets by dynamically calculating...

This SQL script dynamically creates a table in SQL Server by utilizing INFORMATION_SCHEMA and system views. It constructs the table definition, including columns, data types, constraints, and defau...

The query processor in a DBMS is pivotal, handling DML and DDL queries through stages like compilation, linking, and optimization. It ensures efficient execution, supporting operations like SELECT,...

This article explains SQL Server collations, which dictate data sorting and comparison rules. It highlights case-sensitive (CS) and case-insensitive (CI) collations with practical SQL query example...

Explore the fundamentals of SQL with a focus on DDL (Data Definition Language) and DML (Data Manipulation Language). Learn how DDL commands define database structure and schema, while DML commands ...

In this article, you will learn how to fix to sql server error 1069 - the service did not start due to a login failure.

This article discusses the SQL Server installation --- Basic

This article describes the process of installation of SQL Server.

This article will discuss Recover Deleted Table Data "without Backup" in SQL Server.

This article is to discuss how to recover one table from a backup file

In this article,you will learn how to clone database or tables from one instance to another in SQL Server.