SQL Fundamentals to Advanced Queries – 2-Day Intensive Program
Course Description
Characteristics
SQL is the universal language of data – essential for analysis, reporting, and decision-making in every modern organization. This intensive two-day program is designed for analysts, developers, and business professionals who want to gain practical, hands-on SQL skills. Through guided exercises and real-world case studies, you will learn how to design queries, manipulate data, apply advanced functions, and optimize performance. By the end of the course, you will be able to confidently work with relational databases, create business reports, and extract insights that drive smarter decisions.
Key Benefits for Participants
- Master SQL from fundamentals to advanced techniques in just two days.
- Learn by doing: hands-on labs, guided exercises, and real-world business scenarios.
- Build confidence in designing, querying, and managing relational databases.
- Acquire practical skills for business reporting and decision-making.
- Understand how to optimize queries and improve database performance.
Book the Training
- Format: Online
- Language: English
- Type: Open, guaranteed training
- Date: 20-21.08.2026
- Duration: 2 days (7h/day)
Net price per participant. Guaranteed trainings require at least one participant.
Prerequisites
No prior advanced SQL knowledge required. Basic familiarity with databases is helpful but not mandatory.
Target Audience
This training is designed for data analysts, software developers, business professionals, and anyone who needs practical SQL skills to query, analyze, and report on data effectively.
Course program
Day 1 – SQL Fundamentals & Core Queries
- Welcome & Introduction: objectives, agenda, expectations, SQL and relational database overview.
- Database Architecture Basics: tables, rows, columns, relationships, keys, indexes, and query processing.
- Connecting to SQL Databases: tools like DBeaver, SSMS, pgAdmin, MySQL Workbench; running first queries.
- Core SQL Queries: SELECT, WHERE, ORDER BY; filtering with operators; aliases, calculated columns, NULL handling.
- Hands-on practice with guided exercises.
- Data Definition (DDL): CREATE/DROP tables, defining data types, constraints, and views.
- Hands-on: building a schema from scratch.
- Data Manipulation (DML): INSERT, UPDATE, DELETE, transactions, duplicate handling.
- Hands-on: populating and updating tables.
- Joins & Subqueries: INNER, LEFT, RIGHT, FULL OUTER, self-joins, scalar vs correlated subqueries, set operators.
- Hands-on: building data integration queries.
- Applied Workshop: business reporting scenario (sales or HR report, joins, subqueries).
Day 2 – Advanced SQL & Performance
- Recap & Q&A from Day 1.
- Aggregate & Grouping Functions: COUNT, SUM, AVG, MIN, MAX, GROUP BY, HAVING, common pitfalls.
- Hands-on: aggregated reporting exercises.
- Analytical & Window Functions: ROW_NUMBER, RANK, DENSE_RANK, PARTITION BY, ORDER BY, LAG, LEAD, FIRST_VALUE, LAST_VALUE, cumulative sums, moving averages.
- Business applications of analytical functions.
- Advanced Query Techniques: CASE expressions, Common Table Expressions (CTEs), recursive queries.
- Hands-on: building complex queries step by step.
- Indexes & Query Performance: how indexes work, execution plans, pitfalls, best practices.
- Hands-on: optimizing slow queries.
- Final Integrated Lab: creating schema, loading and transforming data, joins, OLAP, optimization, producing final report dataset.
Why a guaranteed course?
- Guaranteed delivery. The course will take place regardless of the number of participants.
- Knowledge and experience exchange with specialists from other industries.
- Interactive, live-led sessions. Not only theory, but also practical exercises and discussions.
- Flexible remote format. Join from anywhere.
Need Help?
Reach out to learn more about our team and the kinds of tailored solutions we can offer your organization.
Get in Touchwroclaw@nobleprog.pl or +48 (22) 103 3718