Código:
SELECT Jobs.JobTitle, Jobs.JobId, Jobs.Views, COUNT(submitals.jobid) AS Total_Submitals, submitals.checked, Contractor_profile.ContractorId, CheckedAppliedJobs.AppliedId FROM Jobs LEFT OUTER JOIN submitals ON Jobs.JobId = submitals.jobid LEFT OUTER JOIN Candidate_profile ON submitals.candidateid = Candidate_profile.CandidateId LEFT OUTER JOIN Contractor_profile ON Candidate_profile.ContractorId = Contractor_profile.ContractorId LEFT OUTER JOIN CheckedAppliedJobs ON Contractor_profile.ContractorId = CheckedAppliedJobs.ContractorID WHERE (Jobs.EmployerId = 1) GROUP BY Jobs.JobId, submitals.checked, Jobs.Views, Contractor_profile.ContractorId, Jobs.JobTitle, CheckedAppliedJobs.AppliedId