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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; Chapter 8: Common Table Expressions; Chapter 9: CREATE Database; Chapter 10: CREATE FUNCTION; Chapter 11: CREATE TABLE
- SQL
Many SQL databases are implemented as client/server systems;...
- Cascading Delete
Cascading Delete - Learning SQL eBook (PDF) -...
- CREATE Database
CREATE Database - Learning SQL eBook (PDF) - riptutorial.com
- Stored Procedures
Stored Procedures are SQL statements stored in the database...
- DROP or DELETE Database
DROP or DELETE Database - Learning SQL eBook (PDF) -...
- In Clause
In Clause - Learning SQL eBook (PDF) - riptutorial.com
- Triggers
Triggers - Learning SQL eBook (PDF) - riptutorial.com
- CASE
CASE - Learning SQL eBook (PDF) - riptutorial.com
- SQL
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!
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. With our online SQL editor, you can edit the SQL statements, and click on a button to view the result. Example Get your own SQL Server.
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
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).
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.
User-defined functions (UDFs) allow you to extend SQL by creating custom functions. UDFs encapsulate specific logic and can be used within SQL statements just like built-in functions. They provide a way to modularize complex calculations or data transformations, improving code readability and reusability.
