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In today’s data-driven tech world, having a strong foundation in SQL (Structured Query Language) is essential for anyone who’s interested in building a career in tech. Particularly, if your line of work involves dealing with databases, data analysis, or if you’re into tech areas such as software development, data science, database administration, and more, mastering SQL is a must.
To help you stay at the top of your tech career game, we’ve compiled a list of top-notch SQL courses that are sure to equip you with the necessary skills and knowledge. As an added bonus, we’ll go over some SQL code examples which you may come across during your learning journey.
Course 1: SQL & PostgreSQL: Learn A-Z of SQL Databases
This comprehensive course dives deep into SQL and PostgreSQL. It guides students from the initial stages of setting up a database to advanced usage patterns. It covers the basics of create, read, update, and delete operations (CRUD), as well as more advanced concepts such as indexing, joins, and transactions.
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CREATE TABLE customers ( customer_id INT PRIMARY KEY, first_name VARCHAR(40), last_name VARCHAR(40) ); INSERT INTO customers VALUES (1, 'John', 'Doe'); SELECT * FROM customers; |
Course 2: The Complete SQL Bootcamp by Udemy
This popular course on Udemy promises to make students comfortable with SQL fundamentals. Expect to learn selecting, inserting, updating, and deleting records from a database. Plus, advanced querying such as joining multiple tables and aggregate functions.
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SELECT first_name, last_name FROM customers WHERE customer_id = 1; UPDATE customers SET first_name = 'Jane' WHERE customer_id = 1; DELETE FROM customers WHERE customer_id = 1; |
Course 3: Managing Big Data with MySQL by Coursera
Offered by Duke University, this course is for those who want to learn how to work with big data using SQL. The course provides insights on how to organize the data, foundational concepts of databases, and more.
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SELECT COUNT(*) FROM customers; |
Each course offers a unique perspective on SQL, therefore, choosing the right one totally depends on your desired career path, previous experience, and overall career goals. Regardless of which course you select, rest assured, these SQL courses will help you build a strong career in tech.