Search results
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!
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. Chapter 7: Comments.
10 kwi 2018 · The SQL Notes for Professionals book is compiled from Stack Overflow Documentation, the content is written by the beautiful people at Stack Overflow. Text content is released under Creative Commons BY-SA. See credits at the end of this book whom contributed to the various chapters.
28 cze 2021 · Introduction to Relational Databases and SQL Programming introduces fundamental database concepts, then teaches you how to store, retrieve, and manipulate data and how to use SQL and PL/SQL. Using Oracle9i as an example, the book offers hands-on tutorials and exercises, including the Clapham Specialty Store case study, so you can apply your ...
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.
SQL Notes: Basics. 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.
1.1 Types of SQL Commands SQL commands are mainly categorized into four categories as: 1.DDL { Data De nition Language 2.DQl { Data Query Language 3.DML { Data Manipulation Language 4.DCL { Data Control Language 5.TCL { Transaction Control Language 1.2 ACID (SQL) 1. Atomicity { All operations in a transaction succeed or every operation is ...
