My Node.js local application won't connect to Azure SQL DB - node.js

Question

I am developing a Node.js-Express-EJS web application, with Azure SQL DB (cloud version of MS SQL Server).
I try to test my connection first on the remote Azure SQL DB, using SQL Server Management Studio. First, I set my machine's IP to be allowed in Azure SQL DB firewall rules. Then I was able to get into the database, create and populate table, and query using the Management Studio.
Now, I have the Node.js app locally first. However, it seems it can't connect to the remote Azure SQL DB using same credentials.
First, I use the tutorial in node-mssql:
/* Using node-mssql */
var sql = require('mssql');
router.get('/test/mssql', function(req, res, next) {
console.log('Testing node-mssql')
sql.connect("mssql://<username>:<password>#<server>.database.windows.net/<db>")
.then(function() {
new sql.Request()
.query('SELECT * FROM mytable')
.then(function(recordset) {
console.dir(recordset);
}).catch(function(err) {
console.log(err);
});
}).catch(function(err) {
console.log(err);
});
});
I was only able to get from the console
'Testing node-mssql'
GET /contact/test/mssql - - ms - -
But no response, it seems its waiting forever, it didn't even throw error.
Same thing happens when I use Sequelize.js
/* Using Sequelize.js */
var Sequelize = require('sequelize');
var sequelize = new Sequelize('<db>', '<username>', '<password>', {
host: '<mydb>.database.windows.net',
dialect: 'mssql',
pool: {
max: 5,
min: 0,
idle: 10000
},
});
router.get('/test/sequelize', function(req, res, next) {
console.log('Testing sequelize');
sequelize.authenticate()
.then(function(err) {
console.log('Connection has been established successfully');
})
.catch(function(err) {
console.log('Unable to connect to the database:', err);
});
});
Result:
Testing sequelize
GET /test/sequelize - - ms - -
Here are the versions that I am using:
Node.js - 4.6.0
express - 4.14.0
mssql - 3.3.0
sequelize - 3.30.2
tedious - 1.14.0
(I wonder if this has to do with me connected on WiFi? But impossible, bec. Management Studio works fine right?)

Answer 1

If you're trying it out with Azure SQL Database, you'd need to add ?encrypt=true to your connection string that will look like:
mssql://<username>:<password>#<server>.database.windows.net/<db>?encrypt=true
For Sequelize.js, you'd need this: dialectOptions: { encrypt: true }. The code will look like:
var sequelize = new Sequelize('<db>', '<username>', '<password>', {
host: '<mydb>.database.windows.net',
dialect: 'mssql',
// Use this if you're on Windows Azure
dialectOptions: {
encrypt: true
},
pool: {
max: 5,
min: 0,
idle: 10000
},
});

Answer 2

I think the issue is with your connection string, as that doesn't look like a SQL Database connection string that would work.
For mssql, try connecting like this:
var config = {
server: "<servername>.database.windows.net",
database: "<dbname>",
user: "<username>",
password: "<password>",
port: 1433,
options: {
encrypt: true
}
};
sql.connect(config).then(function() { ... } )
FYI for reference, SQL Database (at least through .net) expects a connection string like this, so you might have success with a similar connection string directly passed to sql.connect() (though I haven't tried it):
Server=tcp:[serverName].database.windows.net;Database=myDataBase;
User ID=[LoginForDb]#[serverName];Password=myPassword;Trusted_Connection=False;
Encrypt=True;