For an instructor lead, in-depth look at learning SQL click below.
In today’s technology-driven era, SQL (Structured Query Language) is an important skill that professionals in data management and data analytics need to have. To develop SQL prowess, you can choose from several platforms like books and online courses. But which one should you go for? Here’s a brief comparison to help you make the best choice.
Books for Learning SQL
SQL books are easily accessible and usually compose comprehensive subjects, starting from the basics to the advanced SQL commands. Here are some pros and cons:
# Pros:
1. Comprehensive Learning: Books can offer in-depth knowledge about SQL, including its history, various commands, database concepts, etc.
2. Self-paced: You can learn at your own pace, revisit topics you find challenging, and constantly refer to it when necessary.
# Cons:
1. Theoretical Knowledge: Books may provide theoretical knowledge but lack the hands-on approach.
2. Outdated information: With rapid technological advancements, books may become outdated quickly.
An example of SQL code from a book:
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-- SQL command to create a database CREATE DATABASE MyDB; -- SQL command to create a table CREATE TABLE Employees ( ID int, Name varchar(255), Age int, Salary float ); |
Online Courses for Learning SQL
Online courses have become highly popular thanks to their accessibility and practical education. Let’s evaluate the pros and cons:
# Pros:
1. Interactive Learning: Online courses provide practical examples and interactive classes. They allow learners to practice SQL commands simultaneously.
2. Up-to-date Content: Online platforms usually update courses with the latest advancements and trends, providing relevant knowledge.
# Cons:
1. Can be Expensive: Some online courses could be pricey compared to books.
2. Internet Dependency: These courses are internet-based, so you need a stable internet connection.
An example of SQL code from an online course:
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-- SQL command to insert data into the table INSERT INTO Employees (ID, Name, Age, Salary) VALUES (1, 'John', 28, 35000.00); -- SQL command to select data from the table SELECT * FROM Employees; |
Conclusion
The choice between books and online courses depends on personal learning style and preferences. Often, a combined approach of using both resources can provide a thorough understanding of SQL. So, evaluate your options wisely and embark on your journey to learn SQL!