Module 1: Introduction to Databases and SQL
- Understanding Databases: Exploring the concept of databases and their importance in modern applications
- Introducing SQL: Overview of SQL and its role in managing data in relational databases
- SQL Syntax: Learning the basic structure of SQL queries
Module 2: Retrieving Data with SELECT
- SELECT Statement: Using the SELECT statement to retrieve data from a single table
- Filtering Data: Using WHERE clause to filter data based on specific conditions
- Sorting Results: Sorting retrieved data using ORDER BY clause
Module 3: Working with Multiple Tables
- Joins: Understanding different types of joins (INNER JOIN, LEFT JOIN, RIGHT JOIN, etc.)
- Combining Data: Using UNION, INTERSECT, and EXCEPT operators to combine data from multiple queries
Module 4: Data Manipulation with INSERT, UPDATE, DELETE
- INSERT Statement: Inserting new records into a table
- UPDATE Statement: Modifying existing records in a table
- DELETE Statement: Removing records from a table
Module 5: Data Filtering and Aggregation
- GROUP BY Clause: Grouping data to perform aggregate functions
- Aggregate Functions: Using functions like COUNT, SUM, AVG, MIN, MAX to perform calculations
- HAVING Clause: Filtering grouped data based on aggregate conditions
Module 6: Working with Subqueries
- Subquery Fundamentals: Understanding subqueries and their usage in SQL
- Subquery Types: Implementing single-row and multi-row subqueries
- Correlated Subqueries: Exploring correlated subqueries and their relationship with the outer query
Module 7: Data Constraints and Indexes
- Data Constraints: Implementing constraints (PRIMARY KEY, FOREIGN KEY, UNIQUE, NOT NULL)
- Indexes: Understanding the role of indexes in optimizing data retrieval
Module 8: Data Views
- Creating Views: Constructing virtual tables using CREATE VIEW
- Modifying Views: Altering and dropping existing views
Module 9: SQL Functions and Stored Procedures
- Scalar Functions: Using built-in functions (STRING, DATE, NUMERIC) to manipulate data
- Stored Procedures: Creating and executing stored procedures for improved database management
Module 10: Introduction to Database Security
- User Management: Creating and managing database users and permissions
- Grant and Revoke: Granting and revoking privileges to control data access
By the end of this comprehensive course, you will have a solid foundation in SQL, enabling you to interact with relational databases effectively. You’ll be equipped with the skills to retrieve, manipulate, and analyze data, making you a valuable asset in any organization that relies on data-driven decision-making and efficient database management.