Removed unsupported Azure Blob storage via import into

external-storage-uri.md

@@ -79,14 +79,8 @@ gcs://external/test.csv?credentials-file=${credentials-file-path}
     - `encryption-scope`: Specifies the [encryption scope](https://learn.microsoft.com/en-us/azure/storage/blobs/encryption-scope-manage?tabs=powershell#upload-a-blob-with-an-encryption-scope) for server-side encryption.
     - `encryption-key`: Specifies the [encryption key](https://learn.microsoft.com/en-us/azure/storage/blobs/encryption-customer-provided-keys) for server-side encryption, which uses the AES256 encryption algorithm.
 
-The following is an example of an Azure Blob Storage URI for TiDB Lightning and BR. In this example, you need to specify a specific file path `testfolder`.
+The following is an example of an Azure Blob Storage URI for BR. In this example, you need to specify a specific file path `testfolder`.
 
 ```shell
 azure://external/testfolder?account-name=${account-name}&account-key=${account-key}
 ```
-
-The following is an example of an Azure Blob Storage URI for [`IMPORT INTO`](/sql-statements/sql-statement-import-into.md). In this example, you need to specify a specific filename `test.csv`.
-
-```shell
-azure://external/test.csv?account-name=${account-name}&account-key=${account-key}
-```

sql-statements/sql-statement-import-into.md

@@ -13,7 +13,7 @@ The `IMPORT INTO` statement is used to import data in formats such as `CSV`, `SQ
 
 `IMPORT INTO` supports importing data from files stored in Amazon S3, GCS, and the TiDB local storage.
 
-- For data files stored in Amazon S3, GCS, or Azure Blob Storage, `IMPORT INTO` supports running in the [TiDB Distributed eXecution Framework (DXF)](/tidb-distributed-execution-framework.md).
+- For data files stored in Amazon S3 or GCS, `IMPORT INTO` supports running in the [TiDB Distributed eXecution Framework (DXF)](/tidb-distributed-execution-framework.md).
 
     - When this DXF is enabled ([tidb_enable_dist_task](/system-variables.md#tidb_enable_dist_task-new-in-v710) is `ON`), `IMPORT INTO` splits a data import job into multiple sub-jobs and distributes these sub-jobs to different TiDB nodes for execution to improve the import efficiency.
     - When this DXF is disabled, `IMPORT INTO` only supports running on the TiDB node where the current user is connected.
@@ -92,9 +92,9 @@ In the left side of the `SET` expression, you can only reference a column name t
 
 ### fileLocation
 
-It specifies the storage location of the data file, which can be an Amazon S3, GCS, or Azure Blob Storage URI path, or a TiDB local file path.
+It specifies the storage location of the data file, which can be an Amazon S3 or GCS URI path, or a TiDB local file path.
 
-- Amazon S3, GCS, or Azure Blob Storage URI path: for URI configuration details, see [URI Formats of External Storage Services](/external-storage-uri.md).
+- Amazon S3 or GCS URI path: for URI configuration details, see [URI Formats of External Storage Services](/external-storage-uri.md).
 - TiDB local file path: it must be an absolute path, and the file extension must be `.csv`, `.sql`, or `.parquet`. Make sure that the files corresponding to this path are stored on the TiDB node connected by the current user, and the user has the `FILE` privilege.
 
 > **Note:**
@@ -249,7 +249,7 @@ Assume that there are three files named `file-01.csv`, `file-02.csv`, and `file-
 IMPORT INTO t FROM '/path/to/file-*.csv'
 ```
 
-### Import data files from Amazon S3, GCS, or Azure Blob Storage
+### Import data files from Amazon S3 or GCS
 
 - Import data files from Amazon S3:
 
@@ -263,13 +263,7 @@ IMPORT INTO t FROM '/path/to/file-*.csv'
     IMPORT INTO t FROM 'gs://import/test.csv?credentials-file=${credentials-file-path}';
     ```
 
-- Import data files from Azure Blob Storage:
-
-    ```sql
-    IMPORT INTO t FROM 'azure://import/test.csv?credentials-file=${credentials-file-path}';
-    ```
-
-For details about the URI path configuration for Amazon S3, GCS, or Azure Blob Storage, see [URI Formats of External Storage Services](/external-storage-uri.md).
+For details about the URI path configuration for Amazon S3 or GCS, see [URI Formats of External Storage Services](/external-storage-uri.md).
 
 ### Calculate column values using SetClause
 

tidb-lightning/tidb-lightning-overview.md

@@ -19,7 +19,6 @@ TiDB Lightning can read data from the following sources:
 - Local
 - [Amazon S3](/external-storage-uri.md#amazon-s3-uri-format)
 - [Google Cloud Storage](/external-storage-uri.md#gcs-uri-format)
-- [Azure Blob Storage](/external-storage-uri.md#azure-blob-storage-uri-format)
 
 ## TiDB Lightning architecture