Adding validation switch parameters

Author: vchske

articles/dms/howto-sql-server-to-azure-sql-powershell.md

@@ -176,6 +176,9 @@ Use the `New-AzDataMigrationTask` cmdlet to create and start a migration task. T
 - *SourceCred*. [PSCredential](https://docs.microsoft.com/dotnet/api/system.management.automation.pscredential?redirectedfrom=MSDN&view=powershellsdk-1.1.0) object for connecting to source server.
 - *TargetCred*. [PSCredential](https://docs.microsoft.com/dotnet/api/system.management.automation.pscredential?redirectedfrom=MSDN&view=powershellsdk-1.1.0) object for connecting to target server.
 - *SelectedDatabase*. AzDataMigrationSelectedDB object representing the source and target database mapping.
+- *SchemaValidation*. (optional, switch parameter) Following the migration, performs a comparison of the schema information between source and target.
+- *DataIntegrityValidation*. (optional, switch parameter) Following the migration, performs a checksum-based data integrity validation between source and target.
+- *QueryAnalysisValidation*. (optional, switch parameter) Following the migration, performs a quick and intelligent query analysis by retrieving queries from the source database and executes them in the target.
 
 The following example creates and starts a migration task named myDMSTask: