@Shambhu Rai - Thanks for the question and using MS Q&A platform.
There is no JDBC connection string available for Azure Data Lake Storage Gen2 account.
Note: ADLS gen2 does not natively offer access via JDBC
As per my knowledge - JDBC connection string is used to connect databases and not the storage accounts.
This article contains links to tutorials that show you how to use various Azure services with Data Lake Storage Gen2.
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