Course Outline
Review of SQL Basics
- Recap of SELECT, WHERE, GROUP BY
- Quick review of JOIN types
- Understanding query execution order
Data Manipulation Statements
- INSERT INTO
- UPDATE and DELETE
- Transaction control (BEGIN, COMMIT, ROLLBACK)
Advanced Joins and Set Operations
- FULL OUTER JOIN
- UNION, INTERSECT, EXCEPT
- SELF JOIN
Subqueries and Derived Tables
- Correlated vs. non-correlated subqueries
- Using subqueries in FROM
- CTEs (Common Table Expressions)
Window Functions
- ROW_NUMBER, RANK, DENSE_RANK
- PARTITION BY and ORDER BY
- LEAD and LAG functions
Data Types and Functions
- String and date functions
- CASE and IF statements
- Type conversions and null handling
Query Optimization
- Understanding indexes
- Using EXPLAIN
- Best practices for writing efficient queries
Summary and Next Steps
Requirements
- Basic knowledge of SQL SELECT statements
- Experience with filtering, sorting, and simple joins
- Understanding of relational database concepts
Audience
- Data analysts
- Developers working with SQL databases
- Business intelligence professionals
Custom Corporate Training
Training solutions designed exclusively for businesses.
- Customized Content: We adapt the syllabus and practical exercises to the real goals and needs of your project.
- Flexible Schedule: Dates and times adapted to your team's agenda.
- Format: Online (live), In-company (at your offices), or Hybrid.
Price per private group, online live training, starting from 3200 € + VAT*
Contact us for an exact quote and to hear our latest promotions
Testimonials (5)
It was very interactive and it kept us interested.
Raluca Alexandra PUNGA
Course - SQL Fundamentals
Gunnar created a great rapport with the audience and was quick to identify our needs. He was engaging and highly knowledgeable throughout and we enjoyed his humour.
Kurt - Complete Coherence
Course - SQL For Data Science and Data Analysis
The practical examples, which already had more realistic information prepared in the database.
Enrique Pruneda Sandoval - GEODIS
Course - SQL language in MSSQL
Machine Translated
Philip was very kind, his style of explaining SQL concepts is outstanding. I liked that he give us information and answered to questions which were not part of this course.
Stefan
Course - SQL in SQL Server
analytical functions