Knowledge Assessment
Evaluate your database and SQL skills across different areas.
📋 Assessment Categories
SQL Fundamentals Assessment
Time: 10-15 minutes
Answer these questions to assess your SQL knowledge:
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Basic Queries
- Can you write a SELECT query with WHERE and ORDER BY?
- Do you understand GROUP BY and aggregate functions?
- Can you write INNER and LEFT joins?
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Advanced Queries
- Can you use CTEs (WITH clauses)?
- Do you understand window functions?
- Can you optimize query performance?
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Data Modification
- Do you know INSERT, UPDATE, DELETE syntax?
- Can you handle transactions?
- Do you understand constraints and foreign keys?
Your Level:
Database Administration Assessment
Time: 10-15 minutes
-
PostgreSQL/MySQL Knowledge
- Have you installed a database server?
- Can you set up users and permissions?
- Do you know backup procedures?
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Performance & Optimization
- Can you read query execution plans?
- Do you understand indexing?
- Have you tuned database configuration?
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High Availability
- Do you understand replication?
- Have you set up backups?
- Do you know about failover?
Your Level:
NoSQL & Caching Assessment
Time: 10-15 minutes
-
MongoDB/Document Databases
- Do you know document model basics?
- Can you write find() queries?
- Do you understand embedding vs referencing?
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Redis & In-Memory
- Do you know data structures?
- Have you used Redis?
- Can you design caching strategies?
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Scaling & Sharding
- Do you understand horizontal scaling?
- Have you worked with distributed data?
- Do you know about CAP theorem?
Your Level:
Data Analysis Assessment
Time: 10-15 minutes
-
Analytical Queries
- Can you write complex aggregations?
- Do you use window functions?
- Can you do cohort analysis?
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Statistical Analysis
- Do you calculate percentiles?
- Can you detect outliers?
- Do you understand correlation?
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Dashboard Data
- Have you prepared data for BI tools?
- Do you know dimensional modeling?
- Can you optimize analytical queries?
Your Level:
Data Engineering Assessment
Time: 10-15 minutes
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Data Warehousing
- Do you know star schema?
- Can you design fact and dimension tables?
- Do you understand slowly changing dimensions?
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ETL/ELT
- Have you built data pipelines?
- Do you understand incremental loads?
- Can you handle data quality?
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Big Data & Scaling
- Do you work with large datasets?
- Have you designed partitioning?
- Do you know cloud data services?
Your Level:
Business Intelligence Assessment
Time: 10-15 minutes
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Metrics & KPIs
- Can you define business metrics?
- Do you calculate complex KPIs?
- Do you version metrics?
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Dimensional Modeling
- Do you understand fact tables?
- Can you design dimensions?
- Do you know conformed dimensions?
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Dashboards & Reporting
- Have you designed dashboards?
- Do you optimize BI queries?
- Can you tell data stories?
Your Level:
Database DevOps Assessment
Time: 10-15 minutes
-
CI/CD for Databases
- Have you set up database CI/CD pipelines?
- Do you use schema migration tools (Flyway, Liquibase)?
- Can you implement zero-downtime migrations?
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Infrastructure as Code
- Do you manage databases with Terraform/Pulumi?
- Can you provision cloud databases (RDS, Cloud SQL)?
- Do you version control infrastructure?
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Monitoring & Reliability
- Have you set up database monitoring?
- Do you configure automated backups?
- Can you implement disaster recovery?
Your Level:
📊 Assessment Results
Based on your answers above:
Your Skill Profile
SQL Fundamentals: ████░░░ (57%)
Database Admin: ██░░░░░ (29%)
NoSQL & Caching: ███░░░░ (43%)
Data Analysis: █████░░ (71%)
Data Engineering: ██░░░░░ (29%)
Business Intelligence: ███░░░░ (43%)
Database DevOps: ██░░░░░ (29%)
Recommended Learning Path
Priority 1 (Start Here):
- If SQL < 50%:
/browse-agent sql-fundamentals
- If Database Admin < 50%:
/browse-agent postgresql-dba
Priority 2 (Next Steps):
- If Data Analysis < 50%:
/browse-agent data-analyst
- If BI < 50%:
/browse-agent bi-analyst
Priority 3 (Advanced):
- If Data Engineering < 50%:
/browse-agent data-engineer
- For specific areas: Choose MongoDB, Redis agents
🎯 Self-Assessment Tips
- Be honest about your actual skills
- Focus on hands-on experience, not theory
- Consider production use, not just learning projects
- Update periodically as you progress
📝 Certification Path
After completing assessments:
- Bronze Level - Complete any 2 agents
- Silver Level - Complete 4 agents
- Gold Level - Complete all 8 agents
- Platinum - Build 3+ production projects
🚀 Next Steps
- Take Assessment: Answer questions above
- Review Results: See your skill profile
- Choose Agent: Start with recommended path
- Work Through Skills: Study each skill document
- Try Projects:
/projects for hands-on practice
Questions answered? You're ready to start learning!