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1. 365datascience.com › resources-center › course-notesSQL Notes: Basics (Downloadable PDF) – 365 Data Science

   365datascience.com › resources-center › course-notes

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   Our SQL Basics Resource offers a comprehensive overview of essential SQL concepts and commands—crucial for anyone looking to master database management and manipulation. Download our free SQL PDF and get started with SQL notes to help you understand the core of this essential query language.

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-mobileMobile-friendly Standard SQL Functions Cheat Sheet - LearnSQL.com

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

   Standard SQL Functions Cheat Sheet. CASE WHEN. The basic version of . CASE WHEN. checks if the values are equal (e.g., if. fee is equal to 50, then 'normal' is returned). If there isn't a matching value in the CASE WHEN, then the ELSE value will be returned (e.g., if fee is equal to 49, then 'not available' will show up. SELECT CASE fee WHEN 50 ...

4. hackr.io › blog › sql-cheat-sheetSQL Cheat Sheet for Quick Reference [PDF Download]

   hackr.io › blog › sql-cheat-sheet

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   Whether you need a quick reference for major SQL concepts before an interview, or you want to level-up your existing SQL skills, our SQL cheat sheet is the ideal starting point. Plus, we’ve broken it down into 11 essential SQL topics to help you get the most from this SQL query cheat sheet.

5. learnsql.com › standard-sql-functions-cheat-sheet-a3A3 Standard SQL Functions Cheat Sheet - LearnSQL.com

   learnsql.com › standard-sql-functions-cheat-sheet-a3

   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.

6. softouch.on.ca › kb › dataGetting Started with SQL - Softouch

   softouch.on.ca › kb › data

   You can down‐load it at http://sqlitestudio.pl/?act=download. Be sure to choose Windows, Mac, or Linux for your respective OS. Then open the downloaded folder and copy it to a loca‐tion of your choice. No installation is needed. To start SQLiteStudio, double-click SQLiteStudio.exe (Figure 3-1).

7. docs.oracle.com › oracle-database › 19SQL Language Quick Reference - Oracle

   docs.oracle.com › oracle-database › 19

   This reference contains a complete description of the Structured Query Language (SQL) used to manage information in an Oracle Database. Oracle SQL is a superset of the American National Standards Institute (ANSI) and the International Organization for Standardization (ISO) SQL:2011 standard. This Preface contains these topics: • Audience