Data Analyst Pro: Elevate Your Development Skills – Series 1

## 🧠 Agenda:

### 1. Coding Challenge: SQL Query Optimization (25 mins)

• Objective: Optimize a complex SQL query to improve performance on large datasets.
• Key Concepts: Indexing, subqueries, joins, and execution plans.
• Discussion Points:
• Identifying bottlenecks in SQL queries.
• Strategies for optimizing query performance.
• Understanding the impact of indexing on query execution.

***

### 2. Face-to-Face Interview Simulation: Data Cleaning and Transformation (45 mins)

• Scenario: You're provided with a messy dataset containing missing values, duplicates, and inconsistent formatting.
• Tasks:
• Clean and transform the dataset using Python (Pandas).
• Discuss the steps taken to prepare the data for analysis.
• Key Concepts: Data wrangling, handling missing data, data normalization.

***

### 3. System Design Session: Designing a Data Pipeline for Real-Time Analytics (20 mins)

• Objective: Architect a scalable data pipeline to process and analyze streaming data in real-time.
• Discussion Points:
• Choosing appropriate tools and technologies (e.g., Kafka, Spark Streaming).
• Ensuring data consistency and reliability.
• Handling data storage and retrieval for real-time analytics.

***

### 4. Real-World Product Issue: Handling Data Anomalies in Production (25 mins)

• Scenario: Your production data pipeline detects anomalies in incoming data streams.
• Tasks:
• Implement anomaly detection techniques.
• Design a monitoring system to alert stakeholders.
• Propose strategies to handle and mitigate data anomalies.
• Key Concepts: Anomaly detection, monitoring, alerting systems.

***

### 5. Q&A and Interactive Discussion (15 mins)

• Open floor for attendees to ask questions, share experiences, and discuss challenges faced during interviews or in real-world data analytics projects.

***

Join Zoom Meeting

https://us02web.zoom.us/j/87668605667?pwd=Fahahc01OoXqqIR84lrdJ6oZVaHKgo.1

Meeting ID: 876 6860 5667
Passcode: 724405

## 🎁 Takeaways:

• Access to session recordings and presentation materials.
• Sample code snippets and project templates.
• Curated list of interview questions and answers.
• Certificate of participation.