Merge pull request #273668 from v-luckywang/0429-Difference_Google_Ads

[ADF][Doc update] Difference between the Google Ads recommended and legacy driver version

Author: prmerger-automator[bot]

articles/data-factory/connector-google-adwords.md

@@ -8,7 +8,7 @@ ms.service: data-factory
 ms.subservice: data-movement
 ms.topic: conceptual
 ms.custom: synapse
-ms.date: 01/18/2024
+ms.date: 05/06/2024
 ---
 
 # Copy data from Google Ads using Azure Data Factory or Synapse Analytics
@@ -264,6 +264,18 @@ Here are the concrete examples of the field name conversion:
 | Segments | `DayOfWeek` | `segments.day_of_week` | 
 | Metrics | `VideoViews` | `metrics.video_views` | 
 
+## Differences between Google Ads using the recommended and the legacy driver version
+
+The table below shows the feature differences between Google Ads using the recommended and the legacy driver version.
+
+| Recommended driver version | Legacy driver version |
+|:---|:---|
+|Specifying Google Ads API version is supported.|Specifying Google Ads API version is not supported.|
+|ServiceAuthentication supports two properties: <br>&nbsp; • email<br>&nbsp; • privateKey |ServiceAuthentication supports four properties:<br>&nbsp; • email<br>&nbsp; • keyFilePath<br>&nbsp; • trustedCertPath<br>&nbsp; • useSystemTrustStore |
+|Selecting a table in a dataset is not supported.|Support selecting a table in a dataset and querying the table in copy activities.|
+|Support GAQL syntax as the query language.|Support SQL syntax as the query language.|
+|The output column names are the same as the field names defined in Google Ads.|The output column names don't match the field names defined in Google Ads.|
+|The following mappings are used from Google Ads data types to interim data types used by the service internally.<br><br>float -> float <br>int32 -> int <br>int64 -> long |The following mappings are used from Google Ads data types to interim data types used by the service internally. <br><br>float -> string <br>int32 -> string <br>int64 -> string |
 
 ## Upgrade Google AdWords connector to Google Ads connector