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1. 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.

   • 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 DATABASE is used for dropping a database from SQL. Be...

   • In Clause

     In Clause - Learning SQL eBook (PDF) - riptutorial.com

   • Triggers

     Triggers - Learning SQL eBook (PDF) - riptutorial.com

   • CASE

     Learn SQL - The CASE expression is used to implement if-then...

2. 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.

3. www.scribd.com › document › 253338326Podstawy SQL - Cwiczenia Praktyczne - A.jakubowski | PDF - Scribd

   www.scribd.com › document › 253338326

   Książka przygotowuje nawet zupełnie niewtajemniczonego czytelnika do spotkania z bazą danych i jej instalacji, zapoznaje z interfejsem -- i co najważniejsze -- omawia składnię najważniejszych poleceń SQL-a. Wykonując serię kilkudziesięciu ćwiczeń, nauczysz się tworzyć tabele i dodawać nowe rekordy.

4. learnsql.com › blog › sql-functions-practice-questions12 SQL Functions Practice Questions - LearnSQL.com

   learnsql.com › blog › sql-functions-practice-questions

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   17 wrz 2024 · This article presents 12 SQL functions practice questions – with solutions and detailed explanations – that will help you solidify your SQL knowledge. Practicing SQL is important if you want to improve your skills.

5. www.geeksforgeeks.org › sql-exercisesSQL Practice with Solution for Beginners and Experienced -...

   www.geeksforgeeks.org › sql-exercises

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   22 paź 2024 · This SQL quiz covers various topics like SQL basics, CRUD operations, operators, aggregation functions, constraints, joins, indexes, transactions, and query-based scenarios. We've included multiple-choice questions, fill-in-the-blank questions, and interactive coding challenges to keep things interesting and challenging.

6. learnsql.com › blog › sql-practice-questions18 SQL Questions for Beginners: Theory and Practice

   learnsql.com › blog › sql-practice-questions

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   18 sty 2024 · Practice basic SQL – writing SELECT queries, joining multiple tables, using aggregate functions, and working with GROUP BY – for free with these 18 beginner-friendly exercises. Solutions and explanations included!

7. www.w3schools.com › sql › sql_exercisesSQL Exercises - W3Schools

   www.w3schools.com › sql › sql_exercises

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   We have gathered a variety of SQL exercises (with answers) for each SQL Chapter. Try to solve an exercise by filling in the missing parts of a code. If you're stuck, hit the "Show Answer" button to see what you've done wrong.