SQL & Database Management

Master the language of data and become a database expert in 8 intensive weeks

€750

Complete Course

Weeks

Hours


                            SELECT customer_name, SUM(order_amount)

                            FROM customers c

                            JOIN orders o ON c.customer_id = o.customer_id

                            WHERE order_date >= '2024-01-01'

                            GROUP BY customer_name

                            ORDER BY SUM(order_amount) DESC;

                            -- Find top customers by revenue

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Course Overview

SQL is the foundation of all data work. Whether you're analyzing customer behavior, building reports, or managing enterprise systems, mastering SQL and database management is essential for any data professional's toolkit.

This intensive 8-week course takes you from SQL basics to advanced database administration. You'll learn to write efficient queries, design robust database schemas, optimize performance, and manage data security across different database systems.

Master SQL across MySQL, PostgreSQL, and SQL Server

Design efficient database schemas and indexes

Implement backup, security, and performance optimization

8-Week Intensive Curriculum

Weeks 1-2

SQL Fundamentals

• Basic SELECT statements
• Filtering with WHERE clauses
• Sorting and grouping data
• Aggregate functions

Weeks 3-4

Advanced Queries

• Complex JOIN operations
• Subqueries and CTEs
• Window functions
• Conditional logic

Weeks 5-6

Database Design

• Entity-Relationship modeling
• Normalization techniques
• Primary and foreign keys
• Index strategies

Weeks 7-8

Administration

• Performance optimization
• Backup and recovery
• Security and permissions
• Monitoring and maintenance

Database Systems Covered

🐬

MySQL

World's most popular open-source database

• Web application standard
• High performance
• Excellent documentation

🐘

PostgreSQL

Advanced open-source object-relational database

• JSON support
• Advanced features
• Enterprise-grade reliability

🏢

SQL Server

Microsoft's enterprise database platform

• Enterprise integration
• Advanced analytics
• Cloud compatibility

Plus coverage of: SQLite, Oracle fundamentals, and NoSQL concepts

Hands-On Projects

🏪

E-commerce Database

Design and implement a complete online store database with customers, products, orders, and inventory management

📊

Financial Analytics

Build a financial reporting system with complex queries for profit analysis, trend identification, and KPI tracking

🏥

Healthcare System

Create a patient management database with security, compliance, and performance optimization features

Skills You'll Master

Query Writing

Write complex, efficient SQL queries for data extraction, analysis, and reporting

Database Design

Create normalized, efficient database schemas that support business requirements

Performance Tuning

Optimize query performance and database operations for maximum efficiency

Security Management

Implement database security, user management, and data protection strategies

Backup & Recovery

Design and implement comprehensive backup and disaster recovery procedures

Data Analytics

Perform statistical analysis and business intelligence using SQL

Meet Your Instructor

Thanos Maniatis

Senior Database Administrator & SQL Expert

Thanos has over 15 years of experience managing enterprise-level databases for Fortune 500 companies. As a former Oracle DBA and current SQL Server specialist, he brings real-world expertise in database optimization, security, and performance tuning.

Oracle Certified Professional

Microsoft Certified Database Administrator

15+ Years Enterprise Experience

Course Benefits

Industry Certification Prep

Prepare for Oracle, MySQL, and Microsoft SQL Server certification exams

Real Database Access

Work with actual enterprise databases and production-level datasets

Lifetime Learning

Continuous access to updated course materials and SQL reference guides

Intensive Schedule

3-hour sessions twice weekly (Mon/Wed 6-9 PM) for maximum learning efficiency

Small Groups

Maximum 10 students per class for personalized attention and support

Fast Results

Students typically see immediate improvement in their data analysis capabilities

Start Your SQL Journey

€750

Complete 8-Week Course

✓ 24 hours of intensive instruction

✓ Access to 3 database systems

✓ 6 hands-on projects

✓ Certification preparation

Next Course Starts: June 10, 2025
Schedule: Mondays & Wednesdays, 6:00-9:00 PM
Location: Athens Tech Center
Prerequisites: Basic computer skills

Full Name

Email Address

Technical Background

Learning Goals

Career change to data field Enhance current job skills Business analytics and reporting Personal data projects

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Foundation Skills for Data Professionals

SQL proficiency serves as the cornerstone of data literacy in today's business environment. Organizations across Greece increasingly rely on database-driven decision making, creating substantial demand for professionals who can efficiently extract, manipulate, and analyze data through structured query language.

This intensive course addresses the fundamental skills gap that exists between traditional business roles and data-driven positions. Students develop practical expertise in database design, query optimization, and data management that translates directly into improved job performance and career advancement opportunities.

The curriculum balances theoretical foundations with hands-on application, ensuring students understand both the technical mechanics of database systems and the strategic considerations that drive effective data architecture. Real-world projects provide experience with the types of challenges professionals encounter in enterprise environments.

As businesses continue to expand their data capabilities, SQL skills remain consistently in demand across industries. This course provides the comprehensive foundation necessary for success in data analysis, business intelligence, and database administration roles throughout the Greek market and beyond.