Common DW Challenges

1.Aggregation Using Sorted Input

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2.Tracking Dimension History

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3.Constraint Based Loading

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4.Loading Incremental Updates

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5.Tracking History and Current

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6.Inserts and Updates

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Transformation Techniques

1.Error Handling Strategy



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2.Flat File Creation With Headers and Footers

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3.Removing Duplicate Source Records

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4.Transforming One Record into Multiple Records

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5.Dynamic Caching

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6.Sequence Generator Alternative

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7.Streamline a Mapping with a Mapplet

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8.Reusable Transformations

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9.Using a Sorter

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10.Pipeline Partitioning

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11.Using Update Strategy to Delete Rows

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12.Loading Hetergenous Targets

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13.Load Using External Procedue

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Advanced Mappings

1.Aggregation Using Expression Transformation

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2.Building a Parameter File

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3.Best Build Logic

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4.Comparing Values Between Records

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5.Transaction Control Transformation

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6.Data Cleansing Using FirstLogic

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Source Specific Mappings

1.Processing VSAM Source Files

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2.Processing XML Source Files

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3.Joining a Flat File with Relational Table

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Industry Specific Mappings

1.Loading Swift 942 Messages

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2.Loading Swift 950 Messages

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