Merge pull request #115830 from jovanpop-msft/patch-171

Switched examples to db scoped credential

Author: tfosmark

articles/synapse-analytics/sql/query-single-csv-file.md

@@ -6,7 +6,7 @@ author: azaricstefan
 ms.service: synapse-analytics
 ms.topic: how-to
 ms.subservice:
-ms.date: 04/15/2020
+ms.date: 05/20/2020
 ms.author: v-stazar
 ms.reviewer: jrasnick, carlrab
 ---
@@ -24,10 +24,7 @@ All of the above variations will be covered below.
 
 ## Prerequisites
 
-Before reading the rest of this article, review the following articles:
-
-- [First-time setup](query-data-storage.md#first-time-setup)
-- [Prerequisites](query-data-storage.md#prerequisites)
+Your first step is to **create a database** where the tables will be created. Then initialize the objects by executing [setup script](https://github.com/Azure-Samples/Synapse/blob/master/SQL/Samples/LdwSample/SampleDB.sql) on that database. This setup script will create the data sources, database scoped credentials, and external file formats that are used in these samples.
 
 ## Windows style new line
 
@@ -40,8 +37,9 @@ File preview:
 ```sql
 SELECT *
 FROM OPENROWSET(
-        BULK 'https://sqlondemandstorage.blob.core.windows.net/csv/population/population.csv',
-         FORMAT = 'CSV',
+        BULK 'csv/population/population.csv',
+        DATA_SOURCE = 'SqlOnDemandDemo',
+        FORMAT = 'CSV',
         FIELDTERMINATOR =',',
         ROWTERMINATOR = '\n'
     )
@@ -67,7 +65,8 @@ File preview:
 ```sql
 SELECT *
 FROM OPENROWSET(
-        BULK 'https://sqlondemandstorage.blob.core.windows.net/csv/population-unix/population.csv',
+        BULK 'csv/population-unix/population.csv',
+        DATA_SOURCE = 'SqlOnDemandDemo',
         FORMAT = 'CSV',
         FIELDTERMINATOR =',',
         ROWTERMINATOR = '0x0a'
@@ -94,7 +93,8 @@ File preview:
 ```sql
 SELECT *
 FROM OPENROWSET(
-        BULK 'https://sqlondemandstorage.blob.core.windows.net/csv/population-unix-hdr/population.csv',
+        BULK 'csv/population-unix-hdr/population.csv',
+        DATA_SOURCE = 'SqlOnDemandDemo',
         FORMAT = 'CSV',
         FIELDTERMINATOR =',',
         FIRSTROW = 2
@@ -121,7 +121,8 @@ File preview:
 ```sql
 SELECT *
 FROM OPENROWSET(
-        BULK 'https://sqlondemandstorage.blob.core.windows.net/csv/population-unix-hdr-quoted/population.csv',
+        BULK 'csv/population-unix-hdr-quoted/population.csv',
+        DATA_SOURCE = 'SqlOnDemandDemo',
         FORMAT = 'CSV',
         FIELDTERMINATOR =',',
         ROWTERMINATOR = '0x0a',
@@ -153,7 +154,8 @@ File preview:
 ```sql
 SELECT *
 FROM OPENROWSET(
-        BULK 'https://sqlondemandstorage.blob.core.windows.net/csv/population-unix-hdr-escape/population.csv',
+        BULK 'csv/population-unix-hdr-escape/population.csv',
+        DATA_SOURCE = 'SqlOnDemandDemo',
         FORMAT = 'CSV',
         FIELDTERMINATOR =',',
         ROWTERMINATOR = '0x0a',
@@ -184,7 +186,8 @@ File preview:
 ```sql
 SELECT *
 FROM OPENROWSET(
-        BULK 'https://sqlondemandstorage.blob.core.windows.net/csv/population-unix-hdr-tsv/population.csv',
+        BULK 'csv/population-unix-hdr-tsv/population.csv',
+        DATA_SOURCE = 'SqlOnDemandDemo',
         FORMAT = 'CSV',
         FIELDTERMINATOR ='\t',
         ROWTERMINATOR = '0x0a',
@@ -214,14 +217,15 @@ The following query returns the number of distinct country names in a file, spec
 SELECT
     COUNT(DISTINCT country_name) AS countries
 FROM OPENROWSET(
-        BULK 'https://sqlondemandstorage.blob.core.windows.net/csv/population/population.csv',
-         FORMAT = 'CSV',
+        BULK 'csv/population/population.csv',
+        DATA_SOURCE = 'SqlOnDemandDemo',
+        FORMAT = 'CSV',
         FIELDTERMINATOR =',',
         ROWTERMINATOR = '\n'
     )
 WITH (
-    --[country_code] VARCHAR (5) COLLATE Latin1_General_BIN2,
-    [country_name] VARCHAR (100) COLLATE Latin1_General_BIN2 2
+    --[country_code] VARCHAR (5),
+    [country_name] VARCHAR (100) 2
     --[year] smallint,
     --[population] bigint
 ) AS [r]