The SQL Server Tutorial website offers practical tutorials with many hands-on examples to help you learn SQL Server quickly and effectively.

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Forgetting or don't understand something in SQL? Animate away your SQL questions by choosing a keyword and pressing Visualize! You can even customize queries to help you better understand SQL.

Knowing SQL is a must for Data Scientists + other analytics professionals, but how can R users start practicing their SQL skills in a familiar environment? That’s this post! Last week, I shared about how I use R for… · data, spatial, austin, covid, sql

Build interactive websites and apps with only SQL queries. SQLPage is an open-source tool to generate nice user interfaces on top of traditional databases. Maps, charts, tables, forms, and dashboards - without traditional web programming.

Master SQL with free interactive lessons and hands-on practice. Learn SELECT, WHERE, JOIN and more with real database examples. Over 200,000+ students taught since 2017.

This SQL Tutorial helps you master SQL quickly and effectively through many hands-on and practical examples with quizzes.

SQL seems to be complex but it is not! SQLforDevs.com shares actionable SQL knowledge relevant for developing applications.

The easiest way to learn SQL

RediSQL provides a performat in-memory database engine with binding for any language.

Active Query Builder. A Visual SQL Query Builder to add friendly ad-hoc querying module to your software.

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If you need your query to run faster, then you must know about the indexes. In this series of articles on Indexes, I will walk you through Sql Server Indexes with examples and explain how Sql Server Indexes come handy to… · indexes, sql, server, execution, plan

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Code first: This simple SQL query will return the size of all databases of your MySQL Server, listing the largest… All of sudden SQL Server Management studio gives me the following error message when I’m trying to browse… · sql, server, following, different, code

#IT #SQL #PostgreSQL #Datawarehouse #Datavault #Historisation #OLAP Management of Temporal Data The main purpose of this website is to present SQL code.For theoretical background refer to: "Managing Time in Relational Databases" by Tom Johnston & Randall Weis or Wikipedia: https://en.wikipedia.org/wiki/Temporal_database IT SQL PostgreSQL Datawarehouse Datavault Historisation From Point in Time to Time Interval To warm…

Turning impossibilities into 1s and 0s As kind of a follow up to Search SQL Server database triggers for table name, I needed to search for some text that was used to throw an exception in my SQL Server database, but it… · object, module, search, sql, text

Tutoriels et articles de SQLPro sur le langage SQL et les SGBDR

SQL, SQL Server, Business Intelligence

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Introduction This blog aims beginners on how easily they can learn SQL Server step by step. We are trying to cover most of the topics in a simple way with lots of examples and necessary explanations. Hope you will enjoy this series and feel free to share the feedback in comment section. Audience This tutorial…

Write maintainable SQL scripts, Understand code better & Navigate faster with SqlSmash: A Productivity Plugin for SQL Server Management Studio. SqlSmash is perfect for novice developers and experts alike, with support… · sql, objects, object, navigate, sqlsmash

This whole post is an off-topic shower-thought type of post, and has nothing to do with SQL Server. But as a fellow technologist, I think you might enjoy it anyway. This is a topic that I’ve been passionate about for… · sql, server, features, json, post

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SQL Performance Explained: Everything developers need to know about database performance by Markus Winand

Interactive SQL tutorial: effective learning from beginner to professional.

Okay so I already posted a round up post for this month. You can see it here. Tonight one of the participants, Rob Farley (Blog | Twitter) made me aware of the fact that I missed a HUGE opportunity in making the round up… · month, power, round, report, share

This Oracle PL SQL tutorial teaches you the basics of programming in PL/SQL like cursors, stored procedures, PlSQL functions

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On-Disk & In-Memory Pages that teach you the SQL way of life!

This web site is all about sql server tutorials like stored procedures, functions, triggers, etc.

When I get alerts from SQL Server I want it to do three things for me. Tell me what’s wrong, show me the data, then tell me how to take action on that data. Unfortunately, SQL doesn’t have a great way of showing the data… · query, email, sql, data, results

This site is intended for those who are beginning to use SQL Server as part of their day-to-day activities. You will find in this site a collection of useful functions, triggers, stored procedures and tips and tricks… · sql, server, data, related, type

It’s been a long time since my last post. It’s time to write something useful :) When people start working with PostgreSQL they sometimes make mistakes which are really difficult to fix later. For example during initdb… · time, long, postgresql, replics, been

SQLServerVideos.com - Free Videos and Tutorials to help you learn Microsoft SQL Server. Watch over 4.5 hours of totally free SQL Server Videos and Tutorials. There's nothing to buy, and there are no strings attached.

Be mindful of advice. Give an ear to those offering it. Just be mindful, there is no need to accept the advice, but it is wise to at least listen. Checkpoints are essential in SQL Server to help with the durability and… · mindful, advice, database, dbo, insert

Enter MySQL script (temp tables/CRUD allowed, 5 sec / 5MB / 20 rows max): No results are displayed if 5 second timeout reached. · enter, mysql, script, temp, tables

LIKE many Sql programmers I prefer the SQL approach to solve most of the problems I face doing my job. Now I'm trying to share scripts and other things.

Welcome to the PLSQL.co website. I hope that you can consider this website to be an useful resource of pl/sql language for both beginners and advanced developers. You can read and learn about pl/sql language using simple… · sql, functions, data, language, create

In the rapidly evolving world of database technologies, staying updated with the latest trends is crucial. One of the most exciting developments is the rise of serverless databases, which offer scalable and flexible… · databases, data, businesses, database, scalable

Easy Query Builder (EQB) - is a free program which allows you to create SQL queries to your database in a user-friendly way. You don’t need to know SQL or any other complex query language - all your requests can be… · sql, query, easy, builder, database

SQL Server and other tech thoughts

Reading Time: 5 min, Date: 11/26/2025 It is time to resume the TPC-H series and look at Query 7. We will learn about how query optimisers can decompose filters and reason about the structure of expressions to reduce join… · time, query, reading, min, date

Working in a technical field has it’s ups and downs. One of the more common annoyances I run into is people that can either not explain what they mean in simple terms or that choose not to in order to appear… · page, fill, factor, data, row

One of the new interesting features in SQL Server 2016 is the system-versioning with a catchy name, Temporal Tables. The name of the feature offers a hint to its purpose, to collect and to keep historical information… · server, data, time, sql, performance

This unique SQL database tutorial builds on the Beginner Course on this site. It provides budding database programmers and db admins with more advanced, easy-to-follow SQL instructions and the ability to practice what… · sql, database, course, site, practice