In addition to writing external stored procedures in the C or C++ programming language, as described in C/C++ External Stored Procedures, you can write external stored procedures in the Java programming language, install them on the database, and then use the SQL CALL statement to call them like other stored procedures.
Java external stored procedures can use JDBC to directly execute SQL statements.
This section uses the term stored procedure to refer to a stored procedure that is written using SQL statements and the term external stored procedure to refer to a stored procedure that is written using C, C++, or Java.
Customers using Vantage delivered as-a-service cannot create their own C++ and Java UDFs, UDMs, UDTs, or External Stored Procedures.