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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.
- SQL
Many SQL databases are implemented as client/server systems;...
- Cascading Delete
Download SQL (PDF) SQL. Getting started with SQL; SQL...
- CREATE Database
Download SQL (PDF) SQL. Getting started with SQL; SQL...
- Stored Procedures
Learn SQL - Stored Procedures ... Ask any SQL Questions and...
- 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
Learn SQL - The CASE ... [ELSE resultX] END; CASE WHEN...
- SQL
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;
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
1 maj 2023 · Here is the full list of topics coverd in this free SQL book: Getting started with SQL; Identifier; Data Types; NULL; Example Databases and Tables; SELECT; GROUP BY; ORDER BY; AND & OR...
This book starts with a theoretical background to T-SQL querying and programming in Chapter 1, laying the foundations for the rest of the book, and basic coverage of creating tables and defining data integrity.
1 cze 2021 · Fetch all names that start with any letter followed by 'atherine': SELECT name FROM names WHERE name LIKE '_atherine'; Fetch all names that end with 'a': SELECT name FROM names WHERE name LIKE '%a'; USEFUL FUNCTIONS. Get the count of characters in a string: SELECT LENGTH('LearnSQL.com');-- result: 12 Convert all letters to lowercase: SELECT ...
FROM album LIMIT 3; Combining columns into a single column: SELECT first_name, last_name, phone FROM customer WHERE first_name LIKE "%Jen%"; Matching part of a string: CASE WHEN SELECT[comparison_1] THEN [value_1] WHEN [comparison_2] THEN [value_2] ELSE [value_3] END AS [new_column_name] Using if/then logic in SQL with CASE: WITH track_info AS ...
