External table 'logdata' is not accessible because location does not exist or it is used by another proces - tsql

Question

I am try to create an external table on Azure Synapse by once I run select * from logdata I get the error "External table 'logdata' is not accessible because location does not exist or it is used by another proces"
below is my code
CREATE DATABASE appdb;
CREATE MASTER KEY ENCRYPTION BY PASSWORD =<>
CREATE DATABASE SCOPED CREDENTIAL SasToken
WITH IDENTITY='SHARED ACCESS SIGNATURE',
SECRET=<>
CREATE EXTERNAL DATA SOURCE log_data
WITH (
LOCATION='https://<>.dfs.core.windows.net/data',
CREDENTIAL=SasToken
)
CREATE EXTERNAL FILE FORMAT TextFileFormat WITH(
FORMAT_TYPE=DELIMITEDTEXT,
FORMAT_OPTIONS(
FIELD_TERMINATOR=',',
FIRST_ROW=2
)
)
CREATE EXTERNAL TABLE logdata(
[Id] INT,
[Correlationid] VARCHAR (200),
[Operationname] VARCHAR (200),
[Status] VARCHAR (200),
[Eventcategory] VARCHAR (200),
[Level] VARCHAR (200),
[Time] DATETIME,
[Subscription] VARCHAR (200),
[Eventinitiatedby] VARCHAR (1000),
[Resourcetype] VARCHAR (1000),
[Resourcegroup] VARCHAR (1000)
)
WITH(
LOCATION='/Log.csv',
DATA_SOURCE=log_data,
FILE_FORMAT=TextFileFormat
)
-- drop EXTERNAL table logdata ;
SELECT * from logdata;
```
I tried changing the access levels but couldn't work either.

Answer 1

You need the necessary access rights to the file in order to fix this problem. The simplest method is to give yourself the "Storage Blob Data Contributor" role on the storage account that you are trying to query.
And also check the details you entered while creating the external table in synapse. The location's URL is case-sensitive. and make sure your file is present at the destination.
Correct Syntax/code to create External Table:
CREATE MASTER KEY ENCRYPTION BY PASSWORD ='Welcome#Pratik123';
CREATE DATABASE SCOPED CREDENTIAL MyCred
WITH IDENTITY='SHARED ACCESS SIGNATURE',
SECRET='SAS Token';
CREATE EXTERNAL DATA SOURCE MyDs2
WITH (
LOCATION='abfss://containername#storageaccountname.dfs.core.windows.net/foldername if any',
CREDENTIAL=MyCred
)
CREATE EXTERNAL FILE FORMAT MyFile2 WITH(
FORMAT_TYPE=DELIMITEDTEXT,
FORMAT_OPTIONS(
FIELD_TERMINATOR=',',
FIRST_ROW=2
)
)
CREATE EXTERNAL TABLE MyData3(
[Id] varchar(20),
[NAME] VARCHAR (200),
[ADDRESS] VARCHAR (200)
)
WITH(
LOCATION='/dataaddress.csv',
DATA_SOURCE=MyDs2,
FILE_FORMAT=MyFile2
)
SELECT * from MyData3;
My output:
refer this similar error example by- Mike Stephenson