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SQL Tutorials

Keep up to date with the latest techniques and resources for SQL Server. Our tutorials are full of free SQL Server training tips to help you learn, build, & grow.
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SQL

ROW_NUMBER SQL Function: How to Display Row Numbers

The ROW_NUMBER() SQL function assigns sequential integers to rows within a result set, optionally partitioning the data and ordering the rows within each partition.

Kevin Babitz

June 12, 2024

SQL

How to Create Comments in SQL

Review three methods to add comments in SQL: single-line comments, multiline comments, and inline comments using the following syntax: --, /*, and */.
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Laiba Siddiqui

May 31, 2024

SQL

A Comprehensive NoSQL Tutorial Using MongoDB

Learn about NoSQL databases - why NoSQL, how they differ from relational databases, the different types, and design your own NoSQL database using MongoDB.
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Arunn Thevapalan

May 30, 2024

SQL

SQL DDL Commands: The Definitive Guide

Learn about SQL DDL commands and how they help define and manage the structure of database objects.
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Deandra Cutajar

May 28, 2024

SQL

Normalization in SQL (1NF - 5NF): A Beginner’s Guide

Database normalization is an important process used to organize and structure relational databases. This process ensures that data is stored in a way that minimizes redundancy, simplifies querying, and improves data integrity.
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Samuel Shaibu

May 28, 2024

SQL

Set Operators in SQL: A Comprehensive Guide

Set operations in SQL are techniques for combining or comparing the results of two or more SELECT statements.
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Kurtis Pykes

May 23, 2024

SQL

SQL DML Commands: Mastering Data Manipulation in SQL

Learn more about Data Manipulation Language (DML), how it compares to DQL and DDL, and master DML commands including SELECT, INSERT, DELETE, and UPDATE.
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Dustin Luchmee

May 17, 2024

SQL

SQL CONTAINS: A Comprehensive Tutorial

Unlock the power of SQL CONTAINS for advanced text searches. Dive into logical operators, proximity searches, and wildcard uses for precise data analysis.
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Abid Ali Awan

February 9, 2024

SQL

SQL NOT IN Operator: A Comprehensive Guide for Beginners

Master SQL's NOT IN operator with this beginner's guide. Learn to filter data effectively, avoid common pitfalls, and explore efficient alternatives
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Abid Ali Awan

February 9, 2024

Artificial Intelligence (AI)

An Introduction to LMQL: The Bridge Between SQL and Large Language Models

Discover everything you need to know about LMQL, short for Language Models Query Language, an innovative programming language for LLMs.
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Kurtis Pykes

February 8, 2024

SQL

SQL NOT EQUAL Operator: A Beginner's Guide

Unlock the power of SQL NOT EQUAL with our expert guide. Learn to refine data queries with practical examples and optimization tips for better analysis.
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Abid Ali Awan

February 8, 2024