1^st lesson free

Ayan

5 (1 review)

Rate PKR 1,475
Response 1h

5 (1 review)

PKR 1,475/hr

1^st 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

- Online

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.

About the lesson

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]

Recommendations

Recommendations come from relatives, friends and acquaintances of the teacher

Annesha

Ayan is a really good tutor. We are both into teaching. He is really patient and approachable.
Very knowledgeable tutor
Read more

A
Annesha
Ayan is a really good tutor. We are both into teaching. He is really patient and approachable.
Very knowledgeable tutor
View more recommendations

Rates

Rate

PKR 1,475

Pack prices

5h: PKR 5
10h: PKR 10

free lessons

The first free lesson with Ayan will allow you to get to know each other and clearly specify your needs for your next lessons.

online

PKR 1,475/h

Join the Ultimate SQL Masterclass: Go From Zero to Query Hero Classes on Weekends | Self Paced | Learn via Implementation

Lesson location

About Ayan

About the lesson

Recommendations

Rates

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free lessons

online

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Join the Ultimate SQL Masterclass: Go From Zero to Query Hero Classes on Weekends | Self Paced | Learn via Implementation

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About Ayan

About the lesson

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Rates

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Pack prices

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