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Introduction to SQL

Introduction to SQL

Learn SQL from the ground up: queries, database design, indexing, joins, subqueries, and stored procedures. Perfect for beginners entering backend or data engineering.

Price 550₾
Monthly Payment₾ 550₾ × 1 months
Delivery Modes Online • In-Person
Duration 4 weeks
Level Beginner
Total Lessons 9 lessons
Lessons per Week 2
Lesson Duration 2 hours

Syllabus

This course covers the fundamental SQL concepts and practical skills needed to work with databases:

  • Module 1: Introduction to SQL
  • Module 2: T-SQL & Writing Queries
  • Module 3: DDL Basics
  • Module 4: Database Design Fundamentals
  • Module 5: JOINs
  • Module 6: Subqueries
  • Module 7: Indexes
  • Module 8: Stored Procedures & User-defined Functions
  • Module 9: Transactions

Available Languages

🇬🇧 English Available
🇷🇺 Russian Available
🇬🇪 Georgian Coming Soon
🇺🇦 Ukrainian Available

What You Need Before Starting

Basic computer skills and willingness to learn. Course materials will guide you step by step.

Prerequisites

No prior SQL experience required. Basic computer and logical thinking skills are enough.

Your Instructor

Oleksii Anzhiiak

Oleksii Anzhiiak

Software Architect, Senior .NET Engineer & Co-Founder

Oleksii Anzhiiak is a Software Architect, Senior .NET Engineer, and Co-Founder of ToyCRM.com and ProfectusLab. With over 15 years of experience, he specializes in distributed systems, cloud infrastructure, high-load backend development, and identity platforms. Oleksii designs complex architectures, builds secure authentication systems, and develops modern engineering education programs that help students achieve real career results.

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All new students receive a complimentary trial lesson during their first visit to our learning center.

Available Offers

Check current discounts and special conditions for this course.

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SQL for Backend and Data Development

Learn SQL from scratch: queries, joins, indexing, database design, and transactions. Essential skills for backend and data roles.

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This course provides a solid foundation in SQL and relational databases for developers who work with data-driven applications. Students learn how relational databases store and manage data and how SQL is used to query, modify, and structure information efficiently.

You will master SELECT queries, filtering, sorting, JOIN operations, aggregations, and subqueries, gaining the ability to work with multiple related tables and real-world datasets.

The course also introduces database design principles, normalization, indexes, and transactions, helping students write performant queries and design reliable schemas for production systems.

Key Skills You'll Master

  • SQL SELECT queries with filtering and sorting
  • JOIN operations across multiple tables
  • Aggregations and GROUP BY clauses
  • Subqueries and nested queries
  • Database normalization principles
  • Indexes and query performance basics
  • Transactions and data consistency

What You Can Build After This Course

  • Write efficient SQL queries for real applications
  • Design normalized relational database schemas
  • Work confidently with multi-table datasets
  • Optimize queries using indexes
  • Ensure data consistency with transactions