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1. learnsql.com › sql-window-functions-cheat-sheet › Window_Functions_Cheat_SheetA4 SQL Window Functions Cheat Sheet - LearnSQL.com

   learnsql.com › sql-window-functions-cheat-sheet › Window_Functions_Cheat_Sheet

   Window functions compute their result based on a sliding window frame, a set of rows that are somehow related to the current row. AGGREGATE FUNCTIONS VS. WINDOW FUNCTIONS. Unlike aggregate functions, window functions do not collapse rows. current row.

2. riptutorial.com › ebook › sqlLearning SQL eBook (PDF) - riptutorial.com

   riptutorial.com › ebook › sql

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   Learning SQL eBook (PDF) Download this eBook for free. Chapters. Chapter 1: Getting started with SQL. Chapter 2: ALTER TABLE. Chapter 3: AND & OR Operators. Chapter 4: Cascading Delete. Chapter 5: CASE. Chapter 6: Clean Code in SQL.

3. learnsql.com › standard-sql-functions-cheat-sheet-a4A4 Standard SQL Functions Cheat Sheet - LearnSQL.com

   learnsql.com › standard-sql-functions-cheat-sheet-a4

   1 cze 2021 · Standard SQL Functions Cheat Sheet. TEXT FUNCTIONS. CONCATENATION. Use the || operator to concatenate two strings: SELECT 'Hi ' || 'there!'; -- result: Hi there! Remember that you can concatenate only character strings using. ||. Use this trick for numbers: SELECT '' || 4 || 2; -- result: 42.

4. medium.com › javarevisited › 6-free-ebooks-and-pdfs-to-learn-sql-for-beginners-9b7 Free eBooks and PDFs to Learn SQL for Beginners (2024)

   medium.com › javarevisited › 6-free-ebooks-and-pdfs-to-learn-sql-for-beginners-9b

   1 maj 2023 · Here is my list of some of the best books to learn SQL, which is absolutely free. You can either download their PDF version for offline reading, or you can read them online. 1.

5. riptutorial.com › ebook › sql-serverLearning Microsoft SQL Server eBook (PDF) - riptutorial.com

   riptutorial.com › ebook › sql-server

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   Download this eBook for free Chapters. Chapter 1: Getting started with Microsoft SQL Server; Chapter 2: Advanced options; Chapter 3: Aggregate Functions; Chapter 4: Alias Names in Sql Server; Chapter 5: Analyzing a Query; Chapter 6: Backup and Restore Database; Chapter 7: Basic DDL Operations in MS SQL Server

6. cdn.preterhuman.net › texts › computingTeach Yourself SQL in 21 Days, Second Edition - preterhuman.net

   cdn.preterhuman.net › texts › computing

   Let's Get Started Week 1 introduces SQL from a historical and theoretical perspective. The first statement you learn about is the SELECT statement, which enables you to retrieve data from the database based on various user-specified options. Also during Week 1 you study SQL functions, query joins, and SQL subqueries (a query within a query).

7. www.obooko.com › free-IT-and-computer-programming-books › introduction-to-sqlIntroduction to SQL | A Free eBook by Bobby Iliev (PDF Download)

   www.obooko.com › free-IT-and-computer-programming-books › introduction-to-sql

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   Whether you are a DevOps/SysOps engineer, developer, or just a Linux enthusiast, this free intro to SQL will help you learn the basics and start using relational databases for your SysOps, DevOps, and Dev projects.