Querytech Academy Querytech Academy Academy
Part of the Data Intelligence Architect Pathway

Certified Data Intelligence Specialist

Advanced Analytics

Data Analytics & Reporting Fundamentals

About 124 hours of real coursework

Enroll in this Pathway
The Credential

Certified Data Intelligence Specialist — Advanced Analytics

Finishing every course is not what earns this credential. You earn it by demonstrating all 2 required competencies through real, assessed evidence, then bringing them together in the Project below — reviewed end to end, not graded on attendance.

Data Analytics

  • Advanced SQL Optimization
  • Statistical Hypothesis Testing
Term 1 of 1 ₦400,000 / term

Professional

Advanced techniques, optimization, statistical rigor, and business impact.

" This advanced course focuses on writing complex, high-performance SQL queries and understanding how to optimize them. Learners will analyze execution plans, implement indexing strategies, and apply tuning techniques across different database platforms."

Included Modules
Advanced SELECT & Query Techniques
Mastering All JOIN Types
Subqueries & CTEs Mastering
Advanced windows function
Query Optimization & Execution Plans
Indexing strategies
Creating and managing stores procedures and functions
Performance Tuning Techniques

"This focused course teaches how to properly apply statistical hypothesis testing to make data-driven business decisions with confidence."

Included Modules
Null & Alternative Hypotheses
T-tests (One & Two Sample)
Chi-Square Tests
ANOVA Concepts & Applications
P-values, Significance & Interpretation
Practical Application & Case Studies

"This practical course develops the critical soft skills analysts need to translate complex analysis into clear, persuasive business recommendations. Emphasis is placed on visual storytelling, executive presentations, and the avoidance of common communication pitfalls."

Included Modules
Visual Storytelling Principles
Avoiding Misleading or Deceptive Charts
Executive Presentation Structure
Translating Metrics into Business Language
Storytelling Workshops & Feedback

Skills Gained at This Stage

  • Advanced SQL querying
  • SQL query optimization
  • Execution plan analysis
  • Database indexing strategies
  • SQL performance tuning
  • Stored procedures and functions
  • Advanced window functions
  • Advanced statistical analysis
  • Hypothesis testing
  • T-tests
  • Chi-square testing
  • ANOVA concepts
  • P-value interpretation
  • Statistical significance
  • Business experiment design
  • Statistical decision-making
  • Advanced exploratory analysis
  • Analytical storytelling
  • Executive data presentations
  • KPI interpretation
  • Business recommendation development
  • Data-driven decision support
  • Advanced dashboard communication

Professional Competencies

  • • Optimize complex analytical queries
  • • Evaluate SQL query performance
  • • Apply appropriate statistical tests to business problems
  • • Interpret statistical results accurately
  • • Distinguish correlation from causation
  • • Design basic business experiments
  • • Evaluate analytical assumptions
  • • Identify meaningful business patterns
  • • Translate analytical findings into business recommendations
  • • Develop executive-level analytical presentations
  • • Communicate complex findings to non-technical stakeholders
  • • Design decision-oriented dashboards
  • • Evaluate the reliability of analytical conclusions
  • • Support data-driven strategic decisions
  • • Present evidence-based recommendations

Industry Tools

Microsoft SQL Server MySQL PostgreSQL Microsoft Power BI DAX Tableau Microsoft Excel Power Query Power Pivot Python Pandas NumPy Matplotlib Seaborn
The Project

Advanced Analytics Portfolio Project

Independent specialization capstone -- demonstrates the CDAA specialization's own competencies. Earned completely independently of any other DIA-Advance specialization.

  1. 1

    Execute

    Advanced Analytics Portfolio Project

Career Opportunities

Roles this program prepares you for.

Data Analyst

Mid Level

Independently performs complex data analysis, develops analytical models and dashboards, investigates business problems and communicates actionable recommendations to stakeholders.

NGN 350,000 – 700,000 Global

Business Intelligence Analyst

Mid Level

Designs and maintains business intelligence solutions, analytical dashboards and data models while translating organizational data into measurable business insights.

NGN 400,000 – 600,000 Global

BI Developer

Junior to Mid Level

Develops Power BI/Tableau dashboards, analytical data models, DAX measures and reporting solutions that support organizational decision-making.

NGN 350,000 – 750,000 Global

Reporting & Analytics Specialist

Mid Level

Combines data analysis, reporting, visualization and business communication to produce decision-support intelligence for management and operational teams.

NGN 350,000 – 700,000 Global

Ready to Start?

This program is part of the Data Intelligence Architect — Specialize Pathway. You'll pick your starting cohort for Certified Data Intelligence Specialist — Advanced Analytics — the first program in the pathway — on the next step.

Reserve Your Spot