ALTER TABLE "OTRegister" ALTER COLUMN "AssitantId" DROP NOT NULL;
ALTER TABLE "OTRegister" ALTER COLUMN "AnaesthetistId" DROP NOT NULL;
ALTER TABLE "OTRegister" ALTER COLUMN "AnaesthetistId" DROP NOT NULL;
ALTER TABLE "OTRegister" ALTER COLUMN "NurseId" DROP NOT NULL;
ALTER TABLE "OTRegister" ALTER COLUMN "OREntryDate" DROP NOT NULL;
ALTER TABLE "OTRegister" ALTER COLUMN "SignInDate" DROP NOT NULL;
ALTER TABLE "OTRegister" ALTER COLUMN "SignOutDate" DROP NOT NULL;
ALTER TABLE "OTRegister" ALTER COLUMN "ShiftWardToDate" DROP NOT NULL;
ALTER TABLE "OTRegister" ALTER COLUMN "AnaesthesiaTypeId" DROP NOT NULL;
ALTER TABLE "OTRegister" ALTER COLUMN "SurgeryTypeId" DROP NOT NULL;