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Learn
Databases
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Store it right. Query it fast. Learn relational and document databases, from SQL basics to indexing and database design.

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9 courses · 199 topics · 1.5k patterns

DynamoDB
Elasticsearch
GraphQL
MongoDB
MySQL
PostgreSQL
Redis
SQL
Supabase

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Choose a category and find the course that fits your goal.

Programming Languages13Frontend Development13Backend Development12DSA9AI & ML10Databases9Data9CS Fundamentals7DevOps9Cloud5Testing7Data Analysis5Mobile Development4System Design3Scripting & CLI3Digital Skills3Specialized Tech3

Databases

9 courses

DynamoDB

Foundations, Intermediate, Advanced

18 Topics · 127 Patterns
Elasticsearch

Foundations, Intermediate, Advanced

18 Topics · 134 Patterns
GraphQL

Foundations, Intermediate, Advanced

18 Topics · 139 Patterns
MongoDB

Foundations, Aggregation and Data Modelling, Advanced MongoDB

29 Topics · 240 Patterns
MySQL

Foundations, Intermediate, Advanced

20 Topics · 159 Patterns
PostgreSQL

Foundations, Queries and Json, Advanced PostgreSQL

27 Topics · 244 Patterns
Redis

Foundations, Advanced Data Structures and Patterns, Clustering and Production

24 Topics · 202 Patterns
SQL

Foundations, Joins and Aggregations, Advanced SQL

33 Topics · 263 Patterns
Supabase

Foundations, Intermediate Features, Production and Advanced

12 Topics · 76 Patterns
Why Leyaa

Not just a course. A learning intelligence.

Leyaa doesn't just deliver content - it understands where you are, what you need, and how to get you there fastest.

Adaptive Diagnostics
Adaptive Diagnostics
Leyaa identifies which patterns you've mastered and which need work - before you waste time on what you already know.
Pattern-Level Precision
Pattern-Level Precision
Every pattern gets a verdict - Learn, Practice, or Skip - so your study time goes exactly where it counts.
Intelligent Pacing
Intelligent Pacing
Leyaa reads your velocity across all 3 parts and adapts your focus list dynamically, keeping you in the optimal learning zone.
Before & After Visibility
Before & After Visibility
Every assessment creates a snapshot. Retake anytime to see exactly how much you've grown - topic by topic, pattern by pattern.
Learner Autonomy
Learner Autonomy
Leyaa recommends, never restricts. Override any suggestion and explore at your own pace - the system tracks everything regardless.
Clear Learning Path
Clear Learning Path
Foundations → Intermediate → Advanced - a structured journey where each part sets you up perfectly for the next.
Track record

From the team behind Log2Base2®

Teaching programming through visualization since 2019. Same conviction, broader scope with Leyaa.

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What learners say

Neelam Yogi

“I took the assessment on Java. Leyaa showed exactly where I was strong, what to improve, and gave me the right learning plan. It was 100% accurate. Now I'm addicted to learning here.”

Neelam Yogi
Software Engineer at Deloitte · Andhra Pradesh, India
Code Learning
Databases

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Choose a course, take a quick diagnostic, and get a personalized Focus List in under 15 minutes.

9 courses to explore
Free diagnostic included
Personalized Focus List
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