Consider Case Study (2): World's Trend Catalog Division. If you know that the parent process (3)- PRODUCE PICKING LIST have the following child subprocesses: 1. Read Item Record (from Items File) 2. Create Order Record (to Order Item File) 3. Sort Item by Location in Warehouse (to sorted orders file) 4. Get Customer Records (from Customer File) 5. Print Order Picking Slip Draw the child DFD (Level 3 Data Flow Diagram) for the mentioned process.

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Fundamentals of Big Data Analytics

Big data analytics is the process of using advanced analyzing techniques against huge variant data sets to uncover hidden pattern or knowledge. It helps in organization's decision making process. Big data can be organized in any of the following formats.