Year: 2023

Load – Core Data Concepts

Load The last phase of an ETL process involves loading the transformed data to a destination data model. This data model can be a data warehouse such as Azure Synapse Analytics or Azure SQL Database, a database such as Azure Cosmos DB that serves highly distributed web applications, or an object store such as ADLS …

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Control Flows and Data Flows – Core Data Concepts

Control Flows and Data Flows Many ETL tools employ two methods for orchestrating data pipelines. Tasks that ensure the orderly processing of data processing activities are known as control flows. Data processing activities are referred to as data flows and can be executed in sequence from a control flow. Data engineers that use ADF to …

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Transform – Core Data Concepts

Transform The second phase of an ETL process involves transforming the extracted data that is cleansed and meets a set of business requirements. Data is scrubbed of dirty data and prepared so that it fits the schema of the destination data model. Transformations are split into multiple activities for optimal data pipeline performance. This modular …

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Extract, Load, and Transform (ELT) – Core Data Concepts

Extract, Load, and Transform (ELT) ELT workflows differ from ETL workflows solely in where the data transformation takes place. Instead of a separate transformation engine, the destination data store is used to load and transform data. This simplifies the design by removing extraneous components that would typically be used to transform data. Since the transformation …

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Load and Transform – Core Data Concepts

Load and Transform The key to any ELT workflow is the destination data store’s ability to process data without needing to store it in-engine. MPP technologies do this by fitting a schema over one or more files that are stored in ADLS or Azure Blob Storage. The destination data store only manages the schema of …

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Describe Analytics Techniques – Core Data Concepts

Describe Analytics Techniques While it is important to spend considerable time planning and developing data processing pipelines, it is vital not to forget about the questions that drove the solution to be built in the first place. Being able to answer questions like the following is critical to the success of a business: What has …

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Diagnostic – Core Data Concepts

Diagnostic Diagnostic analytics use historical data to answer questions about why different events have happened. While descriptive analytics use historical data to display past results, diagnostic analytics take this a step further by determining the root cause behind those results. This is the first technique that leverages machine learning to provide insights. Examples of diagnostic …

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Prescriptive – Core Data Concepts

Prescriptive Prescriptive analytics solutions are a step up from predictive analytics as they not only predict outcomes, but they also advise organizations on how to reach a desired outcome. These solutions use findings from descriptive, diagnostic, and predictive analytics techniques to answer questions about what actions should be taken to achieve a particular goal. Combinations …

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