SQL Course

Basic Concepts: Start by understanding the basic concepts of relational databases and SQL. Basic Queries: Learn how to write basic SQL queries to retrieve data from a single table.

SQL Course Content
Module 1: Introduction to SQL
Skills: Understanding of relational databases, basic SQL syntax
Topics:
What is SQL?
Overview of relational databases
SQL history and evolution
SQL standards and variants (e.g., MySQL, PostgreSQL, SQL Server)
Module 2: Basic SQL Queries
Skills: Writing simple SQL queries
Topics:
SELECT statement
WHERE clause for filtering data
ORDER BY clause for sorting results
LIMIT clause for limiting the number of rows returned
Module 3: Filtering and Sorting Data
Skills: Advanced filtering and sorting techniques
Topics:
Comparison operators (e.g., =, <>, <, >)
Logical operators (e.g., AND, OR, NOT)
BETWEEN and IN operators
Sorting data with ORDER BY
Grouping data with GROUP BY
Filtering grouped data with HAVING
Module 4: Joining Tables
Skills: Understanding and using different types of joins
Topics:
INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN
Cross joins
Joining multiple tables
Module 5: Aggregating Data
Skills: Using aggregate functions for data analysis
Topics:
Aggregate functions (e.g., COUNT, SUM, AVG, MIN, MAX)
Grouping data with GROUP BY
Filtering grouped data with HAVING
Module 6: Subqueries and Derived Tables
Skills: Using subqueries to retrieve data
Topics:
Nested subqueries
Correlated subqueries
Using subqueries in SELECT, FROM, and WHERE clauses
Using derived tables
Module 7: Modifying Data
Skills: Inserting, updating, and deleting data in a database
Topics:
INSERT statement
UPDATE statement
DELETE statement
Transactions and rollback
Module 8: Views and Indexes
Skills: Creating and using views and indexes
Topics:
Creating and managing views
Indexing tables for performance
Using indexes to optimize queries
Module 9: Advanced SQL Topics
Skills: Understanding advanced SQL concepts
Topics:
Stored procedures
Triggers
User-defined functions
Common Table Expressions (CTEs)
Module 10: Real-World Projects
Skills: Applying SQL skills to real-world scenarios
Topics:
Working on real-world datasets
Solving complex problems using SQL
Collaborating with team members
SQL Learning Roadmap
Basic Concepts: Start by understanding the basic concepts of relational databases and SQL.

Basic Queries: Learn how to write basic SQL queries to retrieve data from a single table.

Filtering and Sorting: Understand how to filter and sort data using the WHERE and ORDER BY clauses.

Joining Tables: Learn how to join tables together to retrieve data from multiple tables.

Aggregating Data: Understand how to use aggregate functions to perform calculations on grouped data.

Subqueries and Derived Tables: Learn how to use subqueries and derived tables to retrieve data from nested queries.

Modifying Data: Learn how to insert, update, and delete data in a database using SQL.

Views and Indexes: Understand how to create and use views and indexes to optimize query performance.

Advanced Topics: Dive into advanced SQL topics such as stored procedures, triggers, user-defined functions, and CTEs.

Real-World Projects: Apply your SQL skills to real-world projects to gain practical experience and build your portfolio.

This roadmap and course content will help you build a strong foundation in SQL and prepare you for a career as a SQL developer, database administrator, or data analyst.