const con = require('./connect.js'); con.con.connect(function(err) { if (err) throw err; let sql = 'CREATE TABLE smartTag2 (code VARCHAR(100) PRIMARY KEY, shelvingFk VARCHAR(10) FOREIGN KEY REFERENCES vn.shelving(code), level INT(11))'; con.con.query(sql, function(err, result) { if (err) throw err; }); });