SQL course

INTRODUCTION TO DATABASES AND SQL
➢ Understanding Databases:
➢ Overview of databases, DBMS (Database Management Systems), and their types.
➢ Introduction to relational databases and their components.
➢ Introduction to SQL:
➢ Basics of SQL, its history, and importance in database management.
➢ SQL standards and variations (MySQL, PostgreSQL, SQL Server, etc.).
SQL BASICS AND DATA RETRIEVAL
➢ SQL Data Types and Operators:
➢ Understanding different data types in SQL (numeric, string, date, etc.).
➢ Using operators for data manipulation (arithmetic, comparison, logical).
➢ Querying Data with SELECT:
➢ Writing SELECT statements to retrieve data from tables.
➢ Filtering, sorting, and limiting results with WHERE, ORDER BY, and LIMIT clauses.
SQL JOINS AND AGGREGATION
➢ Table Joins:
➢ Understanding different types of joins (INNER, LEFT/RIGHT, FULL, CROSS).
➢ Writing JOIN statements to retrieve data from multiple tables.
➢ Aggregate Functions:
➢ Using aggregate functions (COUNT, SUM, AVG, MAX, MIN) for data analysis.
➢ Grouping data using GROUP BY and applying aggregate functions.
SQL DATA MANIPULATION
➢ Data Manipulation Language (DML):
➢ Inserting, updating, and deleting data in SQL tables.
➢ Transactions, ACID properties, and data integrity.
➢ Subqueries and Views:
➢ Writing subqueries for complex data retrieval.
➢ Creating and managing views for data abstraction and security.
ADVANCED SQL TOPICS
➢ Implementing constraints (UNIQUE, NOT NULL, FOREIGN KEY) for data integrity.
➢ Creating and managing indexes for query optimization.
➢ Writing and executing stored procedures and user-defined functions.
➢ Parameter passing and enhancing database performance.
ADVANCED DATABASE OPERATIONS
➢ Understanding transactions, isolation levels, and transaction
control commands.
➢ Handling concurrent access and locking mechanisms.
➢ Performance Tuning and Optimization:
➢ Techniques for optimizing SQL queries and database performance.
➢ Analyzing query execution plans and query optimization tools.