Sql For Beginners: Work With Business Data

Build a strong SQL foundation to query and manage company data with ease.

What you'll learn

1. Write SQL queries to create, update, and manage database tables

2. Retrieve, filter, and sort business data using SQL commands

3. Use functions, joins, and subqueries to analyze complex data

4. Apply SQL to real-world business scenarios with confidence

Requirements

1. No prior SQL or programming experience needed — we start from scratch 2. Access to a computer and internet connection to practice SQL online

Description

Unlock the power of SQL to drive smarter business decisions.Master essential SQL commands to extract insights, generate reports, and manage company data with confidence. This beginner-friendly course is designed for professionals who are new to SQL and want to build practical skills for analyzing and managing data in a business context.You’ll start with the basics — writing simple queries to retrieve, filter, and sort data from relational databases. Step by step, you’ll learn how to structure data using tables, apply common SQL clauses, and extract key business insights like sales trends, customer behavior, and team performance. What you'll learn:How to write and run basic SQL queries (SELECT, INSERT, UPDATE, DELETE)Use WHERE, ORDER BY, and GROUP BY clauses for practical data filtering and reportingApply aggregate functions like SUM, AVG, and COUNT to generate summariesUnderstand data types, table structures, and data integrity principlesWork with real-world business scenarios in marketing, operations, and financeThis course uses a hands-on approach with simple, relatable business examples and practical exercises to help you confidently apply your skills in the workplace. Whether you’re in HR, sales, or admin, this course will help you become more data-driven and add value to your organization.

Overview

Section 1: Introduction

Lecture 1 01- Course Introduction

Lecture 2 02- Introduction to Tools

Lecture 3 03- Why Preloaded Schemas?

Lecture 4 04- What to Expect in This Course

Section 2: Introduction to SQL and Databases

Lecture 5 05- What is SQL?

Lecture 6 06- What is a Database?

Lecture 7 07- Types of Databases

Lecture 8 08- Importance of SQL in Business

Lecture 9 09- Real-World Applications of SQL

Section 3: Introduction to SQL and Database Concepts (Basic Queries)

Lecture 10 10- Query 1. Creating a New Database

Lecture 11 11- Query 2. Creating a Table

Lecture 12 12- Query 3. Inserting a Record into Table

Lecture 13 13- Query 4. Selecting All Records form a Table

Section 4: Data Definition Language (DDL)

Lecture 14 14- Query 5. Adding a New Column to a Table

Lecture 15 15- Query 6. Renaming a Column in a Table

Lecture 16 16- Query 7. Dropping a Column from a Table

Lecture 17 17- Query 8. Dropping a Table

Section 5: Data Manipulation with DML

Lecture 18 18- Query 9. Inserting Multiple Records into a Table

Lecture 19 19- Query 10. Updating Existing Records in a Table

Lecture 20 20- Query 11. Deleting a Record from a Table

Lecture 21 21- Query 12. Selecting Specific Column from a Table

Section 6: Data Query Language (DQL)

Lecture 22 22- Query 13. Filtering Data with WHERE

Lecture 23 23- Query 14. Grouping Data with COUNT

Lecture 24 24- Query 15. Filtering by Date Values

Lecture 25 25- Query 16. Sorting Data with ORDER BY

Section 7: Filtering and Searching Data in SQL

Lecture 26 26- Query 17. Using DISTINCT to Eliminate Duplicates

Lecture 27 27- Query 18. Using LIKE for Pattern Matching

Lecture 28 28- Query 19. Filtering with AND vs. OR Conditions

Lecture 29 29- Query 20. Using IN to Filter by Multiple Values

Section 8: Aggregating and Summarizing Data in SQL

Lecture 30 30- Query 21. Grouping with COUNT

Lecture 31 31- Query 22. Summing Salaries by Department

Lecture 32 32- Query 23. Calculating Average Salaries

Lecture 33 33- Query 24. Using HAVING to Filter Groups

Section 9: Joining Tables in SQL

Lecture 34 34- Query 25. Inner Join Between Employees and Departments

Lecture 35 35- Query 26. Left Join Between Employees and Departments

Lecture 36 36- Query 27. Right Join Between Employees and Departments.

Lecture 37 37- Query 28. Full Outer Join Between Employees and Departments

Section 10: Using Subqueries to Solve Real-World Business Questions

Lecture 38 38- Query 29. Finding the Employee with the Highest Salary

Lecture 39 39- Query 30. Filtering Groups with HAVING

Lecture 40 40- Query 31. Comparing Salaries with the Average

Lecture 41 41- Query 32. Using EXISTS in a Subquery

Section 11: Working with Dates and Times in SQL

Lecture 42 42- Query 33. Filtering by Recent Hire Dates

Lecture 43 43- Query 34. Extracting Month from Birthdate

Lecture 44 44- Query 35. Converting Strings to Dates

Lecture 45 45- Query 36. Displaying the Current Date

Section 12: Working with Data Types and Formatting in SQL

Lecture 46 46- Query 37. Casting Data Types

Lecture 47 47- Query 38. Handling NULL Values with NVL

Lecture 48 48- Query 39. Formatting Dates with TO_CHAR

Lecture 49 49- Query 40. Rounding Numbers

Section 13: Using Functions for Data Transformation

Lecture 50 50- Query 41. Concatenating Strings

Lecture 51 51- Query 42. Measuring String Length

Lecture 52 52- Query 43. Replacing Characters in Strings

Lecture 53 53- Query 44. Using UPPER and LOWER to Change String Case

Section 14: Conclusion

Lecture 54 54- Conclusion and Next Steps

1. Beginners who want to learn SQL for the first time 2. Business and data professionals looking to work with databases 3. Students preparing for IT, data, or analytics careers 4. Anyone curious about using SQL to solve real business problems