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Author: v-luckywang

articles/data-factory/connector-mariadb.md

@@ -294,6 +294,14 @@ Here are steps that help you upgrade your MariaDB driver version:
 
 1. The latest driver version v2 supports more MariaDB versions. For more information, see [Supported capabilities](connector-mariadb.md#supported-capabilities). 
 
+## Differences between MariaDB and MariaDB (legacy)
+
+The MariaDB connector offers new functionalities and is compatible with most features of MariaDB (legacy) connector. The table below shows the feature differences between MariaDB and MariaDB (legacy).
+
+|MariaDB |MariaDB (legacy)|
+|:---|:---|
+|The following mappings are used from MariaDB data types to interim data types used by the service internally.<br><br>bit(1) -> UInt64<br>bit(M), M>1	-> UInt64<br>bool -> Boolean<br>JSON -> String|The following mappings are used from MariaDB data types to interim data types used by the service internally.<br><br>bit(1) -> Boolean<br>bit(M), M>1 -> Byte[]<br>bool -> Int16<br>JSON -> Byte[]|
+
 ## Related content
 
 For a list of data stores supported as sources and sinks by the copy activity, see [supported data stores](copy-activity-overview.md#supported-data-stores-and-formats).

articles/data-factory/connector-mysql.md

@@ -323,6 +323,14 @@ Here are steps that help you upgrade your MySQL driver version:
 
 1. The latest driver version v2 supports more MySQL versions. For more information, see [Supported capabilities](connector-mysql.md#supported-capabilities).
 
+## Differences between MySQL and MySQL (legacy)
+
+The MySQL connector offers new functionalities and is compatible with most features of MySQL (legacy) connector. The table below shows the feature differences between MySQL and MySQL (legacy).
+
+|MySQL |MySQL (legacy)|
+|:---|:---|
+|The following mappings are used from MySQL data types to interim data types used by the service internally.<br><br>bit(1) -> UInt64<br>bit(M), M>1	-> UInt64<br>bool -> Boolean<br>JSON -> String|The following mappings are used from MySQL data types to interim data types used by the service internally.<br><br>bit(1) -> Boolean<br>bit(M), M>1 -> Byte[]<br>bool -> Int16<br>JSON -> Byte[]|
+
 ## Related content
 
 For a list of data stores supported as sources and sinks by the copy activity, see [supported data stores](copy-activity-overview.md#supported-data-stores-and-formats).

articles/data-factory/connector-postgresql.md

@@ -317,5 +317,13 @@ Here are steps that help you upgrade your PostgreSQL linked service:
 
 1. The data type mapping for the latest PostgreSQL linked service is different from that for the legacy version. To learn the latest data type mapping, see [Data type mapping for PostgreSQL](#data-type-mapping-for-postgresql).
 
+## Differences between PostgreSQL and PostgreSQL (legacy)
+
+The PostgreSQL connector offers new functionalities and is compatible with most features of PostgreSQL (legacy) connector. The table below shows the feature differences between PostgreSQL and PostgreSQL (legacy).
+
+|PostgreSQL |PostgreSQL (legacy)|
+|:---|:---|
+|The following mappings are used from PostgreSQL data types to interim data types used by the service internally.<br><br>Money -> Decimal<br>Timestamp with time zone -> DateTime<br>Time with time zone -> DateTimeOffset<br>Interval -> TimeSpan<br>The BigDecimal type is not supported. As an alternative, utilize `to_char()` function to convert BigDecimal to String. |The following mappings are used from PostgreSQL data types to interim data types used by the service internally.<br><br>Money -> String<br>Timestamp with time zone -> String<br>Time with time zone -> String<br>Interval -> String<br>BigDecimal -> String|
+
 ## Related content
 For a list of data stores supported as sources and sinks by the copy activity, see [supported data stores](copy-activity-overview.md#supported-data-stores-and-formats).