node.js - How to get database name in oracle db in node js without query using connection object -

how database name in oracle db node js

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var oracledb = require('oracledb'); oracledb.getconnection(     {         user: 'c##root',         password: 'root',         connectstring: 'localhost:1521/orcl'     },     function (err, connection) {          if (err) {             console.log('error while connect oracledb :' + err.stack);             return;         } else {             console.log("database connected")             connection.execute("insert person (name) values  ( :name) ", ['doe'], function (err, result) {                 if (err) {                     console.error(err);                     return;                 } else {                     console.log("value sucessfully added database: " + "'database name here'")                 }             });         }     }); 

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i want name of database when each time execute particular query.

see how find oracle service name

select sys_context('userenv','service_name') dual;

ps in given code, orcl service name, not sid.