Kho dữ liệu và SQL Toàn diện

You'll learn how to read and write complex queries to a database using one of the most in-demand skills - Oracle SQL. These skills are also applicable to any other major SQL database, such as MySQL, Microsoft SQL Server, Amazon Redshift, PostgreSQL, and much more.

Learning SQL is one of the fastest ways to improve your career prospects as it is one of the most in-demand tech skills! In this course, you'll learn quickly and receive challenges and tests along the way to improve your understanding!

In this course, you will learn everything you need to become a SQL expert! Including:

• Get started with SQL

• Learn the basics of SQL syntax

• Analyzing data using aggregate functions with GROUP BY commands

• Running advanced queries with string operations and comparison operations

• Set Operators

• Subqueries, correlated subqueries

• Learn to use logical operators to add logic flow to your SQL queries

• Learn common SQL JOIN commands

• Learn to create tables and databases with constraints on data entries

• and much, much more!

• What is a data warehouse?

• What is the need for a data warehouse?

• What is the difference between a data warehouse and a data lake?

• Bottom-up and top-down approach of data warehousing project.

• OLTP and OLAP transactions

SQL is one of the most in-demand skills for business analysts, data scientists, and anyone who finds themselves working with data! Upgrade your skillset quickly and add SQL to your resume by joining today!

All the very best!!!