It is estimated that SQL professionals' average salary is dependent on their experience and the roles they play in different organizations. Beyond the fundamental skills, SQL certification helps you find your dream job fast. According to PayScale, it is the average SQL Developer salary in different countries is:India: ₹1,47,51,969US: $142kAustralia: AU$120,000Singapore:S$72,540Canada: C$145,000 UK: £45,000