Organizations use Azure Synapse Analytics and Azure Data Factory to streamline data handling processes. Both tools offer numerous features to connect, transform, and centralize data quickly. However, since both platforms are similar in a few aspects, it becomes difficult to pick between the two solutions. 

In this article, we will explore the similarities and differences between Azure Synapse and Azure Data Factory. This will help you understand the solutions’ capabilities and identify the best solution for your business requirements.

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Azure Synapse Overview

Azure Synapse Logo

Azure Synapse is a unified analytics service that includes capabilities for data integration, data warehousing, and data analytics. For integration, Azure Synapse supports over 95 native connectors that allow you to gather data from multiple sources. After the data is collected, you can transform the data and store it in a data warehouse. Eventually, you can leverage Azure Synapse for analysis and visualization.

Synapse’s numerous features to manage end-to-end big data workflow have quickly made it popular among analytics professionals. Its ability to handle unstructured data stored in a data lake makes it even more powerful. Synapse also supports analyst-friendly languages like T-SQL, Python, Scala, Spark SQL, and .Net.

Azure Synapse Analytics

Building Pipelines in Synapse

  1. Sign in to the Azure portal.
Azure Portal  -Sign In

2. Click on the icon [>_] to create Cloud Shell to get a command line interface environment.

    Azure Portal - Cloud Shell
    1. In the command line interface (PowerShell), provide the following command to clone a repository from GitHub:
    rm -r dp-000 -f

    git clone https://github.com/MicrosoftLearning/mslearn-synapse dp-000

    • The command rm -r dp-000 -f deletes the directory named dp-000 and all its contents recursively without prompting for confirmation.
    • The -r flag stands for “recursive,” allowing the command to remove directories and their contents.
    • The -f flag forces the deletion, ignoring non-existent files and suppressing error messages.
    • The command git clone https://github.com/MicrosoftLearning/mslearn-synapse dp-000 downloads a repository from GitHub and saves it in a directory named dp-000.
    • The cloned repository contains the contents of the specified GitHub project, allowing you to work with it locally.
    PowerShell Command Line
    1. Navigate to the desired folder (../16) and run setup.ps1 script to set up the project.
    2. When prompted, provide the password for your Azure Synapse SQL pool.
    3. Now, open the dp000-xxxxxxx resource group created after running the setup.ps1 script.
    4. Open the resource group, and select Open to start Synapse Studio
    5. Create a dedicated SQL pool (an enterprise data warehouse). Go to Manage > SQL pools. Now, select the sqlxxxxxxx dedicated SQL pool and press the run icon. 
    SQL Pools
    1. You can now start building pipelines. Head to Home > Ingest > Copy Data. When prompted, provide the necessary details to set up the tool.
    2. You can build a transformation pipeline by navigating to Home > Integrate.
    Sync Azure Blob Storage to Azure Synapse Analytics
    Sync Azure Blob Storage to BigQuery
    Sync Azure Blob Storage to Snowflake

    Azure Data Factory Overview

    Azure Data Factory - Logo

    Azure Data Factory is a fully managed, serverless data integration service. It has more than 90 built-in connectors to collect data from different sources. You can also use Azure Data Factory to transform data without writing a single line of code. Since it is a no-code platform, it enables non-technical professionals to gather and transform data efficiently.

    Azure Data Factory also supports Git and CI/CD to incrementally build ETL/ELT pipelines. With Azure Data Factory, you can even monitor your pipelines without its no-code capabilities.

    Similarities – Azure Synapse and Azure Data Factory

    Azure Synapse and Azure Data Factory have similarities in data integration and transformation practices.

    • Both services have built-in connectors that allow you to move data between different databases with UI-based workflows. 
    • Both platforms offer similar features for ETL or ELT. Both platforms also allow similar connectors to pull data while building data pipelines. You can also manage how the solutions scale up or down based on the size of the data to ensure better performance flexibility.
    • Both solutions offer linked services to extend data engineers’ capabilities. These services can be used to connect with other Azure services and handle data based on downstream requirements.
    • As a result, if you are familiar with Azure Data Factory, you can swiftly move to Azure Synapse, as both have similar data integration and transformation features. 

    Major Differences – Azure Synapse vs Data Factory

    CategoryAzure SynapseAzure Data Factory
    Data TransformationData pipelines are built with no-code features and Python programmingData pipelines are primarily built using no-code features
    Machine LearningBuild machine learning models with or without codeMainly used for building data pipelines only
    Security and Access ControlHas a wide range of access control for Azure roles, Synapse roles, SQL roles, and Git permissions Generally, users are added with contribution role
    PricingPricing is categorized based on the resources you use for data warehousing, data exploration, and more.Pricing is dependent on the status and usage of data pipelines. 
    Pipeline ActivitiesIt provides support for Power Query Activity and also supports global parameters.It does not support Power Query Activity and also does not provide support for global parameters.
    MonitoringDoes not provide any monitoring support.Monitoring of Spark Jobs for Data Flow by leveraging the Synapse Spark pools
    Integration RuntimeSupport for Cross-region Integration Runtime (Data Flows) and supports Integration Runtime Sharing (can be shared across different data factories)Does not provide any Integration Runtime support.

    Data Transformation Capabilities

    Azure Synapse

    Data transformation can be carried out through the no-code capabilities of both platforms. But, with Azure Synapse, you can use programming languages like Python to write custom code for transformation. Based on the business requirements, data transformation can get complex over time. As the complexities increase, you will require more flexibility to modify and optimize data pipelines. 

    Azure Data Factory

    However, with Azure Data Factory, you must primarily rely on no-code features. As a result, Azure Synapse becomes a go-to platform for your strenuous data transformation requirements. As Azure Synapse supports numerous programming languages, it empowers a broader range of professionals to transform data.

    Support for Machine Learning

    Azure Synapse

    Azure Data Factory only helps you with data integration and data transformation. On the other hand, Azure Synapse allows you to perform analysis with numerous programming languages. You can use Python or Spark to leverage its broader ecosystem of machine learning libraries to build robust models for generating insights. Since Azure Synapse also supports unstructured data, leveraging machine learning becomes crucial to gain in-depth insights. 

    Azure Data Factory

    Azure Synapse also supports AutoML workflows. You can quickly train machine learning models without writing code. To build no-code AutoML models, you only have to select the model type. You can choose between classification, regression, and time series to get a set of machine-learning models. You can choose the best model for your use case based on the business requirements. 

    Security and Access Control

    Azure Synapse

    Microsoft ensures better security and access control over your resources on the cloud. With Azure Synapse, you can control access to data, code, and execution based on roles. You can even control version control and continuous integration capabilities. To ensure you manage the access to different users effectively, create security groups and apply permissions.  

    Azure Data Factory

    Azure Data Factory also allows you to manage access control of resources. Generally, you add a user with the contributor role in the Azure Data Factory. A contributor has permission to create, edit, and delete resources like datasets, pipelines, triggers, and more. However, you can customize roles to serve your business requirements. For instance, you can allow users to access only a few data pipelines or let users monitor the pipelines.

    Pricing

    Azure Synapse

    Pricing of Azure Synapse Analytics is complex since the cost depends on the types of services you use. For instance, the cost would be calculated based on storage, I/O requests, and compute units. Generally, the pricing is categorized as follows: Data Exploration and Data Warehousing, Apache Spark Pool, and Data Integration. Since the workflow in each of these categories is different, pricing varies based on workflow. You can use the Azure pricing tool for Synapse to understand its cost.

    Azure Data Factory

    Azure Data Factory has two versions: V1 and V2. The cost of V1 depends on the status of pipelines, the frequency of activities, and other factors. The cost of V2 considers data flow, pipeline orchestration, and the number of operations. 

    Both services’ cost depends on your business use cases. As a result, Azure recommends you request a pricing quote for more clarity and a custom deal.

    Key Takeaways

    • Azure Synapse Analytics is widely used among professionals looking for an end-to-end solution for analytics. Synapse allows you to collect, transform, and analyze data from just one platform. However, Azure Data Factory is only suitable for data engineers who want to streamline data collection processes with in-built processes.
    • If you only want to connect and transform data without writing code, you should embrace Azure Data Factory. However, it doesn’t allow you to customize your data pipelines beyond its no-code capabilities. If you want more flexibility while working with data, you must embrace Azure Synapse Analytics.
    • If you want to integrate data into your desired Database/destination, Hevo Data is the right choice! It will help simplify the ETL and management process of both the data sources and the data destinations. 

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    Frequently Asked Questions

    1. What is the alternative of Azure Synapse?

    Amazon Redshift, Google BigQuery, Snowflake, IBM Db2 Warehouse, Teradata, and Oracle Autonomous Data Warehouse.

    2. Is Azure Synapse an ETL tool?

    Azure Synapse Analytics is not solely an ETL tool but is a comprehensive analytics service that integrates big data and data warehousing.

    3. Is Azure Synapse a data warehouse?

    Yes, Azure Synapse Analytics functions as a data warehouse.

    Manjiri Gaikwad
    Technical Content Writer, Hevo Data

    Manjiri is a proficient technical writer and a data science enthusiast. She holds an M.Tech degree and leverages the knowledge acquired through that to write insightful content on AI, ML, and data engineering concepts. She enjoys breaking down the complex topics of data integration and other challenges in data engineering to help data professionals solve their everyday problems.

    No-Code Data Pipeline for Azure Synapse