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1. github.com › techbire › sql-notesGitHub - techbire/SQL-notes: SQL Handwritten Notes Repository: A...

   github.com › techbire › sql-notes

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   SQL Handwritten Notes Repository: A collection of PDF notes covering SQL concepts with concise definitions and examples. Explore fundamental commands, date/time functions, joins, and more. Contributions welcome! Happy studying and coding!

2. docs.google.com › file › dHead First SQL.pdf - Google Drive - Google Sheets

   docs.google.com › file › d

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3. 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. What is SQL?

4. www.sqltutorial.org › sql-cheat-sheetSQL Cheat Sheet Download PDF it in PDF or PNG Format

   www.sqltutorial.org › sql-cheat-sheet

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   The SQL cheat sheet provides you with the most commonly used SQL statements for your reference. You can download the SQL cheat sheet as follows: Download 3-page SQL cheat sheet in PDF format. Querying data from a table. Query data in columns c1, c2 from a table. SELECT c1, c2 FROM t; Code language: SQL (Structured Query Language) (sql)

5. 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.

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

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

   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.

7. www.w3schools.com › sqlSQL Tutorial - W3Schools

   www.w3schools.com › sql

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   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, Sybase, Informix, Postgres, and other database systems. Start learning SQL now » Examples in Each Chapter.