1st lesson free
Ayan profile and its contact details have been verified by our team.
Ayan
- Rate €5
- Response 1h
€5/h
Contact
1st lesson free
- SQL
- PostgreSQL
Join the Ultimate SQL Masterclass: Go From Zero to Query Hero Classes on Weekends | Self Paced | Learn via Implementation
- SQL
- PostgreSQL
Lesson location
About Ayan
2+ years of Working Experience in a Fortune 500 product-based organization.
Mentoring since 4+ years internationally.
I believe students thrive when learning and implementation goes hand in hand.
> > What I offer as a mentor:
End-to-End Database Mastery: Mastering the workflow from database design to complex data architecture.
Tool Proficiency: In-depth training in SQL syntax, multi-table joins, subqueries, CTEs.
Performance Optimization: Practical knowledge in database indexing, query tuning, and reading execution plans.
Practical Mentorship: 1:1 sessions focused on "implementation," optimizing slow queries, and debugging together.
If you’re looking to transition into data or want to sharpen your technical edge with a structured backend roadmap, let's connect.
See more
About the lesson
- Primary School
- Secondary School
- Post-Secondary Education
- +20
levels :
Primary School
Secondary School
Post-Secondary Education
1st year of Sixth Form
2nd year of Sixth Form
BTS
Supérieur
Adult education
Bachelor
Masters
Diplomgrad
Doctorate
Other
GDL
Qualified Lawyer Transfer Scheme
MBA
Kindergarten
Beginner
Intermediate
Advanced
Professionnel
Autres
Kids
- English
All languages in which the lesson is available :
English
Classes on Weekends.
1 Hour Class
Topics :
1. Basics & Retrieval
[Syntax: SELECT, FROM, AS] [Filtering: WHERE, LIKE, IN, BETWEEN] [Sorting: ORDER BY, LIMIT]
2. Aggregation & Grouping
[Functions: COUNT, SUM, AVG, MIN, MAX] [Grouping: GROUP BY] [Filtering Groups: HAVING]
3. Joining Tables
[Core Joins: INNER, LEFT, RIGHT, FULL OUTER] [Self & Cross: Self Joins, CROSS JOIN] [Set Operations: UNION, UNION ALL]
4. Subqueries & CTEs
[Subqueries: Nested, Correlated] [CTEs: WITH clauses] [Logic: CASE WHEN conditionals]
5. Data Modification
[DML: INSERT, UPDATE, DELETE, TRUNCATE] [DDL: CREATE, ALTER, DROP] [Constraints: PRIMARY, FOREIGN KEY]
6. Optimization & Tuning
[Indexing: Clustered, Non-Clustered] [Performance: EXPLAIN plans, Tuning] [Transactions: COMMIT, ROLLBACK, ACID]
See more
Recommendations
Recommendations come from relatives, friends and acquaintances of the tutor.
1
Ayan is a really good tutor. We are both into teaching. He is really patient and approachable.
Very knowledgeable tutorView more recommendations
See more
Rates
Rate
- €5
Pack rates
- 5 h: €25
- 10 h: €50
online
- €5/h
free lessons
This first lesson offered with Ayan will allow you to get to know each other and clearly specify your needs for your next lessons.
- 1hr
Other tutors in SQL
Reihane
Guelph, Canada & online
- €31/h
- 1st lesson free
Michael
New York, United States & online
- €43/h
- 1st lesson free
Esmaeil
New York, United States & online
- €26/h
- 1st lesson free
João
London, United Kingdom & online
- €35/h
Reza
Brooklyn, United States & online
- €34/h
- 1st lesson free
Arun
Melbourne, Australia & online
- €24/h
- 1st lesson free
Piyush
Brooklyn, United States & online
- €30/h
- 1st lesson free
Bryan
Santa Ana, United States & online
- €22/h
Adi Teja
Liverpool, Australia & online
- €30/h
- 1st lesson free
STHEFANIE
San Antonio, United States & online
- €65/h
João
New York, United States & online
- €22/h
Andrei
Berlin, Germany & online
- €95/h
- 1st lesson free
Massimiliano
Ancona, Italy & online
- €30/h
- 1st lesson free
Callum
Caboolture, Australia & online
- €55/h
Jyoti
Mumbai, India & online
- €6/h
Mohamed
Marseille 1er, France & online
- €29/h
- 1st lesson free
Mudita
, United Kingdom & online
- €52/h
- 1st lesson free
Kunika
Mumbai, India & online
- €8/h
- 1st lesson free
Maksym
Milano, Italy & online
- €30/h
- 1st lesson free
Ilian
Paris 8e, France & online
- €25/h
- 1st lesson free
-
More SQL tutors
