Azure Data Engineer Associate (DP-203)
1 Design and implement data storage
1-1 Design data storage solutions
1-1 1 Identify data storage requirements
1-1 2 Select appropriate storage types
1-1 3 Design data partitioning strategies
1-1 4 Design data lifecycle management
1-1 5 Design data retention policies
1-2 Implement data storage solutions
1-2 1 Create and configure storage accounts
1-2 2 Implement data partitioning
1-2 3 Implement data lifecycle management
1-2 4 Implement data retention policies
1-2 5 Implement data encryption
2 Design and implement data processing
2-1 Design data processing solutions
2-1 1 Identify data processing requirements
2-1 2 Select appropriate data processing technologies
2-1 3 Design data ingestion strategies
2-1 4 Design data transformation strategies
2-1 5 Design data integration strategies
2-2 Implement data processing solutions
2-2 1 Implement data ingestion
2-2 2 Implement data transformation
2-2 3 Implement data integration
2-2 4 Implement data orchestration
2-2 5 Implement data quality management
3 Design and implement data security
3-1 Design data security solutions
3-1 1 Identify data security requirements
3-1 2 Design data access controls
3-1 3 Design data encryption strategies
3-1 4 Design data masking strategies
3-1 5 Design data auditing strategies
3-2 Implement data security solutions
3-2 1 Implement data access controls
3-2 2 Implement data encryption
3-2 3 Implement data masking
3-2 4 Implement data auditing
3-2 5 Implement data compliance
4 Design and implement data analytics
4-1 Design data analytics solutions
4-1 1 Identify data analytics requirements
4-1 2 Select appropriate data analytics technologies
4-1 3 Design data visualization strategies
4-1 4 Design data reporting strategies
4-1 5 Design data exploration strategies
4-2 Implement data analytics solutions
4-2 1 Implement data visualization
4-2 2 Implement data reporting
4-2 3 Implement data exploration
4-2 4 Implement data analysis
4-2 5 Implement data insights
5 Monitor and optimize data solutions
5-1 Monitor data solutions
5-1 1 Identify monitoring requirements
5-1 2 Implement monitoring tools
5-1 3 Analyze monitoring data
5-1 4 Implement alerting mechanisms
5-1 5 Implement logging and auditing
5-2 Optimize data solutions
5-2 1 Identify optimization opportunities
5-2 2 Implement performance tuning
5-2 3 Implement cost optimization
5-2 4 Implement scalability improvements
5-2 5 Implement reliability improvements
Design Data Processing Solutions

Design Data Processing Solutions

Key Concepts

Data Ingestion

Data ingestion is the process of collecting data from various sources and bringing it into a central repository. This can involve real-time streaming data, batch processing, or a combination of both. Azure offers services like Azure Data Factory for orchestrating data movement and transformation, and Azure Event Hubs for real-time data streaming.

Think of data ingestion as the first step in a manufacturing process where raw materials are gathered and prepared for production.

Data Transformation

Data transformation involves cleaning, enriching, and converting data into a format suitable for analysis. This can include tasks like filtering, aggregating, and joining datasets. Azure provides tools like Azure Databricks for big data processing and Azure Stream Analytics for real-time data transformation.

Consider data transformation as the manufacturing stage where raw materials are turned into finished products through various processes and quality checks.

Data Storage

Data storage is where processed data is kept for future use. Azure offers various storage solutions like Azure Blob Storage for unstructured data, Azure SQL Database for structured data, and Azure Data Lake Storage for big data analytics. The choice of storage depends on the type and volume of data, as well as access patterns.

Think of data storage as the warehouse where finished products are stored and organized for easy retrieval and distribution.

Data Processing Patterns

Data processing patterns define how data is processed and analyzed. Common patterns include batch processing, real-time processing, and micro-batch processing. Batch processing involves processing data in large, infrequent chunks, while real-time processing handles data as it arrives. Micro-batch processing combines elements of both by processing small batches of data at frequent intervals.

An analogy would be a factory that produces goods in large batches, a bakery that produces goods continuously throughout the day, and a hybrid model that produces small batches at regular intervals.

Scalability and Performance

Scalability and performance are critical for handling large volumes of data efficiently. Azure provides services like Azure HDInsight for scalable big data processing and Azure Cosmos DB for globally distributed, low-latency data access. Ensuring that data processing solutions are scalable and performant is essential for meeting business needs.

Think of scalability as the ability of a factory to expand its production capacity to meet increasing demand, while performance ensures that the factory operates efficiently and produces high-quality goods.