SQL Server External Tables with Azure Blob Storage

By Tom Nonmacher

In the ever-evolving world of data storage and management, one cannot underestimate the importance of SQL Server External Tables and Azure Blob Storage. With SQL Server 2022, Azure SQL, Microsoft Fabric, Delta Lake, OpenAI + SQL, and Databricks, we can create a robust and flexible data storage system. This blog post will walk you through the process of setting up SQL Server External Tables with Azure Blob Storage while integrating these advanced technologies.

Let's begin by understanding SQL Server External Tables. They are a powerful feature that allows you to access data from outside your SQL Server instance, such as Azure Blob Storage. This feature makes it easier for you to work with data stored in different locations and formats, helping you to streamline your data management processes.

To create an external table, you need to set up an external data source. Azure Blob Storage is a great choice as it provides scalable, secure, and high-performance data storage in the cloud. With SQL Server 2022, you can use the CREATE EXTERNAL DATA SOURCE statement to define a data source pointing to your Azure Blob Storage account.


-- SQL code goes here
CREATE EXTERNAL DATA SOURCE MyAzureBlobStorage
WITH
(
    TYPE = BLOB_STORAGE,
    LOCATION = 'https://myaccount.blob.core.windows.net',
    CREDENTIAL = MyAzureBlobStorageCredential
);
-- Add 
after each line to simulate line breaks

Once the data source is set up, you can create an external table that references this data source. The CREATE EXTERNAL TABLE statement is used for this purpose. This statement defines the structure of the table and links it to the data source.


-- SQL code goes here
CREATE EXTERNAL TABLE MyExternalTable
(
    Column1 INT,
    Column2 VARCHAR(100)
)
WITH
(
    DATA_SOURCE = MyAzureBlobStorage,
    LOCATION = '/path/to/data',
    FILE_FORMAT = MyFileFormat
);
-- Add 
after each line to simulate line breaks

The integration of Microsoft Fabric with SQL Server 2022 enhances the scalability and reliability of the system, allowing for effective management of distributed systems. On the other hand, Delta Lake, an open-source storage layer, brings ACID transactions to your data lakes. It provides scalable and reliable storage for both streaming and batch workloads.

OpenAI + SQL is a powerful combination that enables you to use AI capabilities in your SQL Server. You can use it to analyze your data, extract insights, and make predictions. Databricks, a unified data analytics platform, can be used in conjunction with SQL Server and Azure Blob Storage to process large volumes of data efficiently.

In conclusion, SQL Server External Tables with Azure Blob Storage provide a flexible and efficient way to manage your data. By integrating SQL Server 2022, Azure SQL, Microsoft Fabric, Delta Lake, OpenAI + SQL, and Databricks, you can create a robust, scalable, and high-performance data storage system.




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