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What are the two prerequisites for connecting Azure Databricks with Azure Synapse Analytics that apply to the Azure Synapse Analytics instance?

Create a database master key and configure the firewall to enable Azure services to connect

Use a correctly formatted ConnectionString and create a database master key

Add the client IP address to the firewall's allowed IP addresses list and use the correctly formatted ConnectionString

Which is the correct syntax for overwriting data in Azure Synapse Analytics from a Databricks notebook?

df.write.mode("overwrite").option("...").option("...").save()

df.write.format("com.databricks.spark.sqldw").overwrite().option("...").option("...").save()

df.write.format("com.databricks.spark.sqldw").mode("overwrite").option("...").option("...").save()

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