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
- +14
levels :
Primary School
Secondary School
Post-Secondary Education
1st year of Sixth Form
2nd year of Sixth Form
Adult education
Bachelor
Masters
Doctorate
Other
Qualified Lawyer Transfer Scheme
MBA
Kindergarten
Beginner
Intermediate
Advanced
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
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
online
- €5/h
Other tutors in SQL
John
London, United Kingdom & online
- €35/h
- 1st lesson free
Reza
Brooklyn, United States & online
- €35/h
- 1st lesson free
Robert
London, United Kingdom & online
- €115/h
- 1st lesson free
Reihane
Guelph, Canada & online
- €31/h
- 1st lesson free
Michael
New York, United States & online
- €52/h
- 1st lesson free
Esmaeil
New York, United States & online
- €22/h
- 1st lesson free
Thomas
Paris, France & online
- €30/h
- 1st lesson free
João
New York, United States & online
- €17/h
- 1st lesson free
Bryan
Santa Ana, United States & online
- €22/h
Jyoti
Mumbai, India & online
- €5/h
Arun
Melbourne, Australia & online
- €25/h
- 1st lesson free
Andrei
Berlin, Germany & online
- €80/h
- 1st lesson free
Piyush
Brooklyn, United States & online
- €31/h
- 1st lesson free
Massimiliano
Ancona, Italy & online
- €30/h
- 1st lesson free
Antônio
Bela Vista, Brazil & online
- €10/h
- 1st lesson free
Mohamed
Marseille 1er, France & online
- €29/h
- 1st lesson free
STHEFANIE
San Antonio, United States & online
- €87/h
Mudita
, United Kingdom & online
- €52/h
- 1st lesson free
Kamyar
Melbourne, Australia & online
- €25/h
- 1st lesson free
Kunika
Mumbai, India & online
- €8/h
- 1st lesson free
-
More SQL tutors
