Unlock the power of SQL to manage databases, perform advanced queries, and boost your data-driven decisions!
What you will learn
Create and manage databases and tables.
Write and optimize SQL queries, including subqueries and aggregate functions.
Use joins to combine data from multiple tables.
Perform advanced operations like transactions, importing/exporting data, and using clauses effectively.
Work with real-world databases like the HR and Music Database for practical experience.
Why take this course?
Introduction:
SQL (Structured Query Language) is the backbone of database management, used by organizations worldwide to store, retrieve, and manipulate data. This course offers a comprehensive guide, starting with foundational concepts and progressing to advanced query techniques. With hands-on practice using real-world examples, you’ll gain the skills needed to excel in SQL and database management.
Section-Wise Writeup:
Section 1: Introduction
Get acquainted with the world of SQL! This section introduces you to the purpose of SQL, its role in database management, and the foundational concepts you’ll build on throughout the course.
Section 2: Getting Started
Begin by creating a database, HR, and populating it with essential tables such as Employees, Jobs, Locations, and Regions. This section sets up the groundwork for practicing queries and database operations.
Section 3: Query
Dive deep into writing SQL queries with this hands-on section. Progress through multiple parts to master query writing, subqueries, and aggregate functions like SUM, AVG, and COUNT.
Section 4: Joins and Date-Time Functions
Learn to combine data across tables using different types of joins and work with date-time functions to manipulate and analyze time-based data effectively.
Section 5: String Functions and Update Command
Expand your SQL capabilities with string manipulation functions and practice updating database records with the UPDATE command in various scenarios.
Section 6: Basic SQL Queries
Revisit the basics with essential SQL queries and explore the Music Database for real-world applications of database operations.
Section 7: Music Database
This section focuses on advanced operations like joins, insert, update, and delete commands within the Music Database, providing a practical context for mastering these techniques.
Section 8: Clause
Understand the power of clauses like GROUP BY, HAVING, and WHERE to organize, filter, and analyze data efficiently.
Section 9: Aggregate Functions
Take a closer look at aggregate functions and their applications in database operations, including using RIGHT JOIN and the IN clause to enhance your SQL toolkit.
Section 10: Transactions
Learn about transactions to ensure data integrity during database operations and explore advanced topics like correlated subqueries and inner joins.
Section 11: Importing and Exporting Data
Finish the course by mastering how to import and export data from CSV files, as well as understanding the use of the EXPLAIN command for optimizing SQL queries.
Conclusion:
SQL proficiency is a critical skill in today’s data-driven world. By the end of this course, you’ll have a thorough understanding of SQL and be equipped to tackle real-world database challenges confidently. Whether for personal projects or professional use, your SQL expertise will make you a valuable asset in any organization.