Query Optimization with SQL for Data Analysts

Course overview

This training provides you with practical knowledge in the field of query optimization. You will learn to categorize typical tasks confidently, apply suitable methods and tools, and prepare results in a comprehensible manner. The focus is on practical applications from the fields of databases and data science that will support you in your role as a Data Analyst or in comparable professional tasks. Data Foundations and Analysis Goals in the Context of Query Optimization Differentiate relevant data sources, data types, and analysis questions Professionally assess data structures, data quality, and significance Derive key figures, metrics, and evaluation goals from requirements Plan and document analysis processes in a comprehensible manner SQL for Data Preparation and Evaluation Purposefully use SQL for queries, calculations, or analysis steps Clean, transform, and prepare data for evaluations Implement recurring work steps in a structured and comprehensible manner Prepare results for verification and professional interpretation Visualization, Reporting, and Decision Support Present evaluation results in tables, charts, or dashboards Structure reports appropriately for the target audience and highlight key messages Derive anomalies, patterns, and deviations from data Use data analyses as a basis for operational or strategic decisions Transfer to Data-Related Tasks as a Data Analyst Classify typical tasks and requirements as a Data Analyst Document and present professional results appropriately for the audience Reflect on work methods and transfer them to your own professional situations Derive the next implementation steps for everyday work in a structured manner This training helps you to handle typical tasks in the field of query optimization more securely and efficiently. You will combine professional knowledge with practical methods and tools from the fields of databases and data science. This way, you strengthen your confidence in your role as a Data Analyst and can apply the content directly in your professional life.

Upcoming dates

• 2026-08-02T22:00:00.000Z · 2026-10-25T23:00:00.000Z · Recklinghausen, Westfalen · Blended Learning
• 2026-08-02T22:00:00.000Z · 2026-10-25T23:00:00.000Z · Eberswalde · Blended Learning
• 2026-08-02T22:00:00.000Z · 2026-10-25T23:00:00.000Z · Augsburg, Bayern · Blended Learning
• 2026-08-02T22:00:00.000Z · 2026-10-25T23:00:00.000Z · Berlin · Blended Learning
• 2026-08-02T22:00:00.000Z · 2026-10-25T23:00:00.000Z · Bergisch Gladbach · Blended Learning