Kumaran1987

To load data from S3 files into Delta tables, transform them, and create an audit Delta table version using PySpark, we can follow these steps: Steps: 1. Set Up Configurations: Connect PySpark with AWS S3. 2. Load Data from S3: Read the files into a DataFrame. 3. Transform Data: Apply minimal transformations based on your requirements. 4. Write Data to Delta Tables: Write the transformed data to a Delta table. 5. Create an Audit Delta Table: Add metadata (e.g., version, timestamps, operations) for auditing purposes. Prerequisites: PySpark is configured with Delta Lake. AWS credentials are accessible (either in the environment or through a credentials file). Delta Lake libraries are included in the PySpark environment. --- Example Code: from pyspark.sql import SparkSession from pyspark.sql.functions import current_timestamp, lit # Initialize Spark session with Delta Lake support spark = SparkSession.builder \     .appName("S3 to Delta with Audit") \     .c...

Here’s a detailed comparison and analysis of diverse Product Manager (PM) roles, categorized by their focus areas, responsibilities, skills, and key examples. The similarities and differences are also highlighted to help you understand their nuances. --- Types of Product Managers 1. General Product Manager (PM): Focus: End-to-end ownership of a product, managing all aspects of its lifecycle. Responsibilities: Define product vision, create roadmaps, manage cross-functional collaboration, and deliver the product. Key Skills: Strategic thinking, communication, stakeholder management, and business acumen. Example Products: SaaS platforms, mobile apps, and consumer tech. 2. Technical Product Manager (TPM): Focus: Products with a technical foundation, often involving APIs, SDKs, or system integrations. Responsibilities: Collaborate with engineering teams, translate technical requirements into business terms, and ensure technical feasibility. Key Skills: Technical knowledge (coding, APIs), pr...