Merge pull request #677 from shivsood/streming_sample_fix_users

Added pointers to user creation for MsSQLSpark connector

Author: rajmera3

samples/features/sql-big-data-cluster/spark/data-loading/spark-twitter-streaming-sample.ipynb

@@ -22,14 +22,15 @@
                 "\r\n",
                 "# **Twitter Streaming with SQL Server & Spark**\r\n",
                 "\r\n",
-                "In this notebook, we will go through the process of using Spark to stream tweets from the Twitter API, and then stream the resulting data into the SQL Server data pool. Once the data is in the data pool, we will perform queries on it using T-SQL or the Spark-SQL connector. \r\n",
+                "In this notebook, we will go through the process of using Spark to stream tweets from the Twitter API, and then stream the resulting data into the SQL Server data pool. To stream the data to SQL Server data pools, we use the MsSQL-Spark connector. Once the data is in the data pool, we will perform queries on it using T-SQL or the Spark-SQL connector. \r\n",
                 "\r\n",
                 "## **Steps**\r\n",
                 "1. [Create a Twitter Developer Account](https://developer.twitter.com/en/apply-for-access.html).\r\n",
                 "2. Setup\r\n",
                 "    1. Create 'TwitterData' database.\r\n",
-                "    2. Create an External Data Source 'TweetsDataSource'.\r\n",
+                "    2. Create an External Data Source 'TweetsDataSource'. \r\n",
                 "    3. Create an External Table 'Tweets'.\r\n",
+                "    4. Create a user account with  permissions for data pools,  created datasource and the external table. Refer [here](https://github.com/microsoft/sql-server-samples/blob/master/samples/features/sql-big-data-cluster/spark/data-virtualization/mssql_spark_connector_user_creation.ipynb)   \r\n",
                 "    4. Change kernel from \"SQL\" to \"Spark | Scala\".\r\n",
                 "    5. Import packages.\r\n",
                 "    6. Enter required parameters.\r\n",
@@ -252,6 +253,7 @@
                 "val accessTokenSecret = \"\"\r\n",
                 "\r\n",
                 "// Provide username/password to SQL Server master instance\r\n",
+                "// Refer mssql_spark_connector_user_creation.ipynb in samples repo on how to create this user.\r\n",
                 "val user = \"user\"\r\n",
                 "val password = \"password\"\r\n",
                 "\r\n",