Fix URL

docs.microsoft.com -> learn.microsoft.com

Author: changeworld

articles/synapse-analytics/spark/synapse-spark-sql-pool-import-export.md

@@ -531,7 +531,7 @@ dfToReadFromQueryAsOption = (spark.read
                      # Set user's password to the database
                      .option(Constants.PASSWORD, "<user_password>")
                      # Set name of the data source definition that is defined with database scoped credentials.
-                     # https://docs.microsoft.com/sql/t-sql/statements/create-external-data-source-transact-sql?view=sql-server-ver15&tabs=dedicated#h-create-external-data-source-to-access-data-in-azure-storage-using-the-abfs-interface
+                     # https://learn.microsoft.com/sql/t-sql/statements/create-external-data-source-transact-sql?view=sql-server-ver15&tabs=dedicated#h-create-external-data-source-to-access-data-in-azure-storage-using-the-abfs-interface
                      # Data extracted from the SQL query will be staged to the storage path defined on the data source's location setting.
                      .option(Constants.DATA_SOURCE, "<data_source_name>")
                      # Query from where data will be read.
@@ -551,7 +551,7 @@ dfToReadFromQueryAsArgument = (spark.read
                      # Set user's password to the database
                      .option(Constants.PASSWORD, "<user_password>")
                      # Set name of the data source definition that is defined with database scoped credentials.
-                     # https://docs.microsoft.com/sql/t-sql/statements/create-external-data-source-transact-sql?view=sql-server-ver15&tabs=dedicated#h-create-external-data-source-to-access-data-in-azure-storage-using-the-abfs-interface
+                     # https://learn.microsoft.com/sql/t-sql/statements/create-external-data-source-transact-sql?view=sql-server-ver15&tabs=dedicated#h-create-external-data-source-to-access-data-in-azure-storage-using-the-abfs-interface
                      # Data extracted from the SQL query will be staged to the storage path defined on the data source's location setting.
                      .option(Constants.DATA_SOURCE, "<data_source_name>")
                      .synapsesql("select <column_name>, count(*) as counts from <schema_name>.<table_name> group by <column_name>")