Search Articles — Sudonull

https://sudonull.com/vdi-for-sql-server-backup-without-bak-files-guide

How to implement MS SQL integration with backup systems via VDI. Detailed analysis of architecture, parallel processing, and chain recovery. Learn the advantages of the solution.

https://sudonull.com/opc-ua-in-mfc-integration-of-open62541

How to integrate OPC UA into an MFC application in C++ with open62541. Connecting to Siemens S7, security, subscriptions, working with SQL Server.

https://sudonull.com/webassembly-sql-for-excel-and-parquet-in-the-browser

Learn how to run a C++ SQL engine in the browser for parsing XLSX, CSV, Parquet without a server. Code examples, architecture, performance. Integration for developers.

https://sudonull.com/evolution-of-rag-genomes-and-cache-of-mcp-servers

Implementation of controlled evolution of RAG pipelines on MCP documents1c. Three layers of genomes, SQL models, mutation-evaluation cycle. For middle/senior dev. Study the code and architecture.

https://sudonull.com/data-types-for-passport-and-identifiers-in-sql-storage-errors

Learn why passport and other identifiers should be stored as strings, not numbers in SQL. Avoid loss of leading zeros and data errors. Read the guide for developers.

SQL Tutorial - W3Schools

https://www.w3schools.com/sql/

SQL is a standard language for storing, manipulating and retrieving data in databases. Our SQL tutorial will teach you how to use SQL in MySQL, SQL Server, MS Access, Oracle, PostgreSQL, and more.

Microsoft SQL Server downloads

https://www.microsoft.com/en-us/sql-server/sql-server-downloads?msockid=05b312f4566962aa25bd055657d56384

Get started with Microsoft SQL Server downloads. Choose a SQL Server trial, edition, tool, or connector that best meets your data and workload needs.

SQL Tutorial - GeeksforGeeks

https://www.geeksforgeeks.org/sql/sql-tutorial/

Jun 23, 2026 · Whether you want to create, delete, update or read data, SQL provides commands to perform these operations. Widely supported across various database systems like MySQL oracle, …

Online SQL Editor

https://sql-editor.programiz.com/

The best SQL Editor to Run SQL queries online for free.

SQL - Wikipedia

https://en.wikipedia.org/wiki/SQL

Introduced in the 1970s, SQL offered two main advantages over older read – write APIs such as ISAM or VSAM. Firstly, it introduced the concept of accessing many records with one single command. …

SQL Tutorial: Learn SQL from Scratch for Beginners

https://www.sqltutorial.org/

Whether you’re a software developer, database administrator, data analyst, or data scientist, this SQL tutorial will help you unlock the power of SQL for managing and analyzing data.

SQL Cheat Sheet ( Basic to Advanced) - GeeksforGeeks

https://www.geeksforgeeks.org/sql/sql-cheat-sheet/

Mar 19, 2026 · This SQL Cheat Sheet is your quick-reference guide for working with relational databases. It helps you recall key commands, logic, and query patterns to manage, manipulate, and …

SQL Online Editor (Compiler) - W3Schools.com

https://www.w3schools.com/sql/sql_editor.asp

SQL Editor With our online SQL editor, you can edit SQL statements, and view the result in your browser.

Microsoft® SQL Server® 2019 Express

https://www.microsoft.com/en-us/download/details.aspx?id=101064&msockid=05b312f4566962aa25bd055657d56384

Jul 15, 2024 · Microsoft® SQL Server® 2019 Express is a powerful and reliable free data management system that delivers a rich and reliable data store for lightweight Web Sites and desktop applications.

SQLBolt - Learn SQL - Introduction to SQL

https://sqlbolt.com/

SQL, or Structured Query Language, is a language designed to allow both technical and non-technical users to query, manipulate, and transform data from a relational database. And due to its simplicity, …