Create external table from Delta for Synapse Serverless to a Storage Account

Synapse Serverless CREATE EXTERNAL TABLE from DELTA

CREATE MASTER KEY ENCRYPTION BY PASSWORD='dwdweoifjidw$_fwefjwoifj%%123';
CREATE DATABASE SCOPED CREDENTIAL ServiceIdentity WITH IDENTITY = 'Managed Identity';

CREATE schema stg
GO

CREATE SCHEMA silver
GO

IF NOT EXISTS (SELECT * FROM sys.external_file_formats WHERE name = 'SynapseDeltaFormat') 
	CREATE EXTERNAL FILE FORMAT [SynapseDeltaFormat] 
	WITH ( FORMAT_TYPE = DELTA)
GO

DROP EXTERNAL DATA SOURCE [dataStorage]
IF NOT EXISTS (SELECT * FROM sys.external_data_sources WHERE name = 'dataStorage') 
	CREATE EXTERNAL DATA SOURCE [dataStorage] 
	WITH (
		LOCATION = 'abfss://data@strbatdataanalyticsd1.dfs.core.windows.net' ,
		CREDENTIAL = ServiceIdentity
	)
GO
DROP EXTERNAL DATA SOURCE [SynapseDelimitedTextFormat]

IF NOT EXISTS (SELECT * FROM sys.external_file_formats WHERE name = 'SynapseDelimitedTextFormat') 
	CREATE EXTERNAL FILE FORMAT [SynapseDelimitedTextFormat] 
	WITH ( FORMAT_TYPE = DELIMITEDTEXT ,
	       FORMAT_OPTIONS (
			 FIELD_TERMINATOR = ',',
			 USE_TYPE_DEFAULT = FALSE,
			 FIRST_ROW = 2,
			))
GO