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data-analysis-sql
SQL for data analysis with exploratory analysis, advanced aggregations, statistical functions, outlier detection, and business insights. 50+ real-world analytics queries.
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Content & media AI Skills
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bi-fundamentals
BI fundamentals with metric definition, KPI calculation, dimensional modeling, dashboard optimization, and data storytelling. 40+ metric examples and calculation patterns.
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postgresql
PostgreSQL administration and setup including installation, configuration, backup/recovery, replication, and high-availability. Learn production PostgreSQL operations.
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GitHub
data-warehouse
Data warehouse design mastery with star schema, dimensional modeling, fact/dimension tables, slowly changing dimensions, and enterprise best practices. Complete schema examples included.
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GitHub
sql-fundamentals
Master SQL fundamentals including SELECT, INSERT, UPDATE, DELETE, CREATE, ALTER, DROP operations. Learn data types, WHERE clauses, ORDER BY, GROUP BY, and basic joins.
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mongodb
MongoDB fundamentals including document model, CRUD operations, querying, indexing, and aggregation framework for NoSQL database applications.
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spring-microservices
Build cloud-native microservices - service discovery, config server, API gateway, resilience patterns
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spring-rest-api
Build production-ready REST APIs with Spring MVC - controllers, validation, exception handling, OpenAPI
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GitHub
spring-boot-basics
Comprehensive guide to Spring Boot fundamentals - auto-configuration, starters, properties, and profiles
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GitHub
spring-data-jpa
Master Spring Data JPA - repositories, queries, relationships, transactions, and performance
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spring-reactive
Build reactive applications - WebFlux, Mono/Flux, R2DBC, backpressure, reactive streams
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GitHub
spring-testing
Test Spring Boot applications - MockMvc, TestContainers, test slices, integration testing
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spring-security
Secure Spring Boot applications - authentication, authorization, OAuth2, JWT, CORS/CSRF protection
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design-patterns
Identify, implement, and teach GoF design patterns
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solid-principles
Apply and validate SOLID principles in object-oriented design
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architecture-patterns
Design, evaluate, and document software architecture patterns
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refactoring
Detect code smells and apply safe refactoring techniques
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clean-code
Analyze and improve code quality, readability, and maintainability
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GitHub
domain-driven-design
Model business domains using DDD tactical and strategic patterns
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tdd-practices
Guide TDD workflow, design tests, and create mocking strategies
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prompt-injection
Prompt injection attack prevention and defense
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GitHub
react-pattern
Reasoning and Acting patterns for agentic LLM workflows
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GitHub
prompt-evaluation
Prompt testing, metrics, and A/B testing frameworks
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GitHub
prompt-templates
Reusable prompt templates for common tasks and optimization patterns
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