-- CreateTable
CREATE TABLE `user` (
    `id` VARCHAR(191) NOT NULL,
    `email` VARCHAR(191) NOT NULL,
    `password` VARCHAR(191) NOT NULL,
    `role` ENUM('ADMIN', 'STAFF', 'STUDENT', 'INSTITUTION') NOT NULL DEFAULT 'STUDENT',
    `isVerified` BOOLEAN NOT NULL DEFAULT false,
    `firstName` VARCHAR(191) NULL,
    `lastName` VARCHAR(191) NULL,
    `phone` VARCHAR(191) NULL,
    `contactPerson` VARCHAR(191) NULL,
    `institutionName` VARCHAR(191) NULL,
    `institutionAddress` VARCHAR(191) NULL,
    `profilePic` VARCHAR(191) NULL,
    `logoPic` VARCHAR(191) NULL,
    `expiresAt` DATETIME(3) NULL,
    `sessionToken` VARCHAR(191) NULL,
    `createdById` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    UNIQUE INDEX `user_email_key`(`email`),
    INDEX `user_createdById_idx`(`createdById`),
    INDEX `user_expiresAt_idx`(`expiresAt`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `student` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `examsId` VARCHAR(191) NULL,
    `language` VARCHAR(191) NULL,
    `fcmToken` VARCHAR(191) NULL,
    `referralId` VARCHAR(191) NULL,
    `institutionId` VARCHAR(191) NULL,
    `subscriptionPlanId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,
    `expiresAt` DATETIME(3) NULL,

    UNIQUE INDEX `student_userId_key`(`userId`),
    INDEX `student_institutionId_idx`(`institutionId`),
    INDEX `student_expiresAt_idx`(`expiresAt`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `staff` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `designation` VARCHAR(191) NULL,
    `roleId` VARCHAR(191) NULL,
    `referralCode` VARCHAR(191) NULL,
    `institutionId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    UNIQUE INDEX `staff_userId_key`(`userId`),
    INDEX `staff_institutionId_idx`(`institutionId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `institution` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `institutionLogo` VARCHAR(191) NOT NULL DEFAULT '',
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    UNIQUE INDEX `institution_userId_key`(`userId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `token` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `token` VARCHAR(191) NOT NULL,
    `type` ENUM('VERIFY', 'RESET') NOT NULL,
    `expiresAt` DATETIME(3) NOT NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),

    INDEX `token_expiresAt_idx`(`expiresAt`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `subscription` (
    `id` VARCHAR(191) NOT NULL,
    `studentId` VARCHAR(191) NOT NULL,
    `plan` ENUM('monthly', 'yearly') NOT NULL,
    `status` ENUM('trial', 'active', 'expired', 'cancelled') NOT NULL,
    `startDate` DATETIME(3) NOT NULL,
    `endDate` DATETIME(3) NOT NULL,
    `trialEndsAt` DATETIME(3) NULL,
    `autoRenew` BOOLEAN NOT NULL,
    `amount` DOUBLE NOT NULL DEFAULT 0,
    `institutionId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),

    UNIQUE INDEX `subscription_studentId_key`(`studentId`),
    INDEX `subscription_institutionId_idx`(`institutionId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `transaction` (
    `id` VARCHAR(191) NOT NULL,
    `studentId` VARCHAR(191) NOT NULL,
    `transactionId` VARCHAR(191) NOT NULL,
    `amount` DOUBLE NOT NULL,
    `paymentMethod` VARCHAR(191) NOT NULL,
    `offer` VARCHAR(191) NULL,
    `date` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `institutionId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),

    INDEX `transaction_institutionId_idx`(`institutionId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `exam` (
    `id` VARCHAR(191) NOT NULL,
    `examName` VARCHAR(191) NOT NULL,
    `institutionId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    INDEX `exam_institutionId_idx`(`institutionId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `subject` (
    `id` VARCHAR(191) NOT NULL,
    `subjectName` VARCHAR(191) NOT NULL,
    `topics` JSON NOT NULL,
    `institutionId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    INDEX `subject_institutionId_idx`(`institutionId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `questionbank` (
    `id` VARCHAR(191) NOT NULL,
    `subjectId` VARCHAR(191) NOT NULL,
    `language` VARCHAR(191) NULL,
    `topic` VARCHAR(191) NULL,
    `questionText` LONGTEXT NULL,
    `questionImage` VARCHAR(191) NULL,
    `options` JSON NOT NULL,
    `correctAnswer` INTEGER NOT NULL,
    `marks` DOUBLE NOT NULL DEFAULT 1,
    `difficulty` ENUM('Easy', 'Medium', 'Hard') NOT NULL DEFAULT 'Medium',
    `explanation` LONGTEXT NULL,
    `explanationImage` VARCHAR(191) NULL,
    `createdById` VARCHAR(191) NOT NULL,
    `institutionId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    INDEX `questionbank_institutionId_idx`(`institutionId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `oldquestion` (
    `id` VARCHAR(191) NOT NULL,
    `year` VARCHAR(191) NULL,
    `language` VARCHAR(191) NULL,
    `questionText` LONGTEXT NULL,
    `questionImage` VARCHAR(191) NULL,
    `options` JSON NOT NULL,
    `correctAnswer` INTEGER NOT NULL,
    `marks` DOUBLE NOT NULL DEFAULT 1,
    `difficulty` ENUM('Easy', 'Medium', 'Hard') NOT NULL DEFAULT 'Medium',
    `explanation` LONGTEXT NULL,
    `explanationImage` VARCHAR(191) NULL,
    `publish` BOOLEAN NOT NULL DEFAULT true,
    `createdById` VARCHAR(191) NOT NULL,
    `institutionId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    INDEX `oldquestion_institutionId_idx`(`institutionId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `practicetest` (
    `id` VARCHAR(191) NOT NULL,
    `examId` VARCHAR(191) NOT NULL,
    `language` VARCHAR(191) NOT NULL DEFAULT 'English',
    `title` VARCHAR(191) NULL,
    `duration` INTEGER NULL,
    `marks` DOUBLE NOT NULL DEFAULT 1,
    `difficulty` ENUM('Easy', 'Medium', 'Hard') NOT NULL DEFAULT 'Medium',
    `publish` BOOLEAN NOT NULL DEFAULT false,
    `createdById` VARCHAR(191) NOT NULL,
    `institutionId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    INDEX `practicetest_institutionId_idx`(`institutionId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `oldquestionpaper` (
    `id` VARCHAR(191) NOT NULL,
    `examId` VARCHAR(191) NOT NULL,
    `year` VARCHAR(191) NOT NULL,
    `language` VARCHAR(191) NOT NULL DEFAULT 'English',
    `title` VARCHAR(191) NULL,
    `duration` VARCHAR(191) NULL,
    `marks` DOUBLE NOT NULL DEFAULT 1,
    `difficulty` ENUM('Easy', 'Medium', 'Hard') NOT NULL DEFAULT 'Medium',
    `publish` BOOLEAN NOT NULL DEFAULT false,
    `createdById` VARCHAR(191) NOT NULL,
    `institutionId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    INDEX `oldquestionpaper_institutionId_idx`(`institutionId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `examresult` (
    `id` VARCHAR(191) NOT NULL,
    `studentId` VARCHAR(191) NOT NULL,
    `testType` VARCHAR(191) NOT NULL,
    `practiceTestId` VARCHAR(191) NULL,
    `oldQuestionPaperId` VARCHAR(191) NULL,
    `totalQuestions` INTEGER NOT NULL,
    `totalMarks` DOUBLE NOT NULL,
    `obtainedMarks` DOUBLE NOT NULL,
    `answers` JSON NOT NULL,
    `institutionId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    INDEX `examresult_institutionId_idx`(`institutionId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `feedback` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `message` VARCHAR(191) NOT NULL,
    `rating` INTEGER NOT NULL DEFAULT 0,
    `institutionId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    INDEX `feedback_institutionId_idx`(`institutionId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `notification` (
    `id` VARCHAR(191) NOT NULL,
    `examId` VARCHAR(191) NOT NULL,
    `title` VARCHAR(191) NOT NULL,
    `description` VARCHAR(191) NOT NULL,
    `date` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `files` JSON NOT NULL,
    `institutionId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    INDEX `notification_institutionId_idx`(`institutionId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `support` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `message` VARCHAR(191) NOT NULL,
    `questionId` VARCHAR(191) NULL,
    `status` VARCHAR(191) NOT NULL DEFAULT 'pending',
    `institutionId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    INDEX `support_institutionId_idx`(`institutionId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `syllabus` (
    `id` VARCHAR(191) NOT NULL,
    `examId` VARCHAR(191) NOT NULL,
    `syllabusFiles` JSON NOT NULL,
    `description` VARCHAR(191) NULL,
    `notification` VARCHAR(191) NULL,
    `institutionId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    INDEX `syllabus_institutionId_idx`(`institutionId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `subscriptionplan` (
    `id` VARCHAR(191) NOT NULL,
    `planType` VARCHAR(191) NOT NULL,
    `planName` VARCHAR(191) NOT NULL,
    `actualPrice` DOUBLE NOT NULL,
    `discountPercentage` DOUBLE NOT NULL,
    `gstPercentage` DOUBLE NOT NULL,
    `priceAfterDiscount` DOUBLE NOT NULL,
    `duration` INTEGER NOT NULL DEFAULT 1,
    `features` JSON NOT NULL,
    `description` VARCHAR(191) NULL,
    `isActive` BOOLEAN NOT NULL DEFAULT true,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `role` (
    `id` VARCHAR(191) NOT NULL,
    `roleName` VARCHAR(191) NOT NULL,
    `permissions` JSON NOT NULL,
    `createdById` VARCHAR(191) NOT NULL,
    `institutionId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    INDEX `role_institutionId_idx`(`institutionId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `mocktest` (
    `id` VARCHAR(191) NOT NULL,
    `userId` VARCHAR(191) NOT NULL,
    `language` VARCHAR(191) NOT NULL DEFAULT 'English',
    `institutionId` VARCHAR(191) NULL,
    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    `updatedAt` DATETIME(3) NOT NULL,

    UNIQUE INDEX `mocktest_userId_key`(`userId`),
    INDEX `mocktest_institutionId_idx`(`institutionId`),
    PRIMARY KEY (`id`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `_StaffToSubject` (
    `A` VARCHAR(191) NOT NULL,
    `B` VARCHAR(191) NOT NULL,

    UNIQUE INDEX `_StaffToSubject_AB_unique`(`A`, `B`),
    INDEX `_StaffToSubject_B_index`(`B`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `_ExamToQuestionBank` (
    `A` VARCHAR(191) NOT NULL,
    `B` VARCHAR(191) NOT NULL,

    UNIQUE INDEX `_ExamToQuestionBank_AB_unique`(`A`, `B`),
    INDEX `_ExamToQuestionBank_B_index`(`B`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `_ExamToOldQuestion` (
    `A` VARCHAR(191) NOT NULL,
    `B` VARCHAR(191) NOT NULL,

    UNIQUE INDEX `_ExamToOldQuestion_AB_unique`(`A`, `B`),
    INDEX `_ExamToOldQuestion_B_index`(`B`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `_ExamToStaff` (
    `A` VARCHAR(191) NOT NULL,
    `B` VARCHAR(191) NOT NULL,

    UNIQUE INDEX `_ExamToStaff_AB_unique`(`A`, `B`),
    INDEX `_ExamToStaff_B_index`(`B`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `_OldQuestionToOldQuestionPaper` (
    `A` VARCHAR(191) NOT NULL,
    `B` VARCHAR(191) NOT NULL,

    UNIQUE INDEX `_OldQuestionToOldQuestionPaper_AB_unique`(`A`, `B`),
    INDEX `_OldQuestionToOldQuestionPaper_B_index`(`B`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `_PracticeTestToQuestionBank` (
    `A` VARCHAR(191) NOT NULL,
    `B` VARCHAR(191) NOT NULL,

    UNIQUE INDEX `_PracticeTestToQuestionBank_AB_unique`(`A`, `B`),
    INDEX `_PracticeTestToQuestionBank_B_index`(`B`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- CreateTable
CREATE TABLE `_MockTestToQuestionBank` (
    `A` VARCHAR(191) NOT NULL,
    `B` VARCHAR(191) NOT NULL,

    UNIQUE INDEX `_MockTestToQuestionBank_AB_unique`(`A`, `B`),
    INDEX `_MockTestToQuestionBank_B_index`(`B`)
) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- AddForeignKey
ALTER TABLE `user` ADD CONSTRAINT `user_createdById_fkey` FOREIGN KEY (`createdById`) REFERENCES `user`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `student` ADD CONSTRAINT `student_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `user`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `student` ADD CONSTRAINT `student_examsId_fkey` FOREIGN KEY (`examsId`) REFERENCES `exam`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `student` ADD CONSTRAINT `student_referralId_fkey` FOREIGN KEY (`referralId`) REFERENCES `user`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `student` ADD CONSTRAINT `student_institutionId_fkey` FOREIGN KEY (`institutionId`) REFERENCES `institution`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `student` ADD CONSTRAINT `student_subscriptionPlanId_fkey` FOREIGN KEY (`subscriptionPlanId`) REFERENCES `subscriptionplan`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `staff` ADD CONSTRAINT `staff_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `user`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `staff` ADD CONSTRAINT `staff_roleId_fkey` FOREIGN KEY (`roleId`) REFERENCES `role`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `staff` ADD CONSTRAINT `staff_institutionId_fkey` FOREIGN KEY (`institutionId`) REFERENCES `institution`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `institution` ADD CONSTRAINT `institution_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `user`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `token` ADD CONSTRAINT `token_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `user`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `subscription` ADD CONSTRAINT `subscription_studentId_fkey` FOREIGN KEY (`studentId`) REFERENCES `student`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `subscription` ADD CONSTRAINT `subscription_institutionId_fkey` FOREIGN KEY (`institutionId`) REFERENCES `institution`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `transaction` ADD CONSTRAINT `transaction_studentId_fkey` FOREIGN KEY (`studentId`) REFERENCES `student`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `transaction` ADD CONSTRAINT `transaction_institutionId_fkey` FOREIGN KEY (`institutionId`) REFERENCES `institution`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `exam` ADD CONSTRAINT `exam_institutionId_fkey` FOREIGN KEY (`institutionId`) REFERENCES `institution`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `subject` ADD CONSTRAINT `subject_institutionId_fkey` FOREIGN KEY (`institutionId`) REFERENCES `institution`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `questionbank` ADD CONSTRAINT `questionbank_subjectId_fkey` FOREIGN KEY (`subjectId`) REFERENCES `subject`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `questionbank` ADD CONSTRAINT `questionbank_createdById_fkey` FOREIGN KEY (`createdById`) REFERENCES `user`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `questionbank` ADD CONSTRAINT `questionbank_institutionId_fkey` FOREIGN KEY (`institutionId`) REFERENCES `institution`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `oldquestion` ADD CONSTRAINT `oldquestion_createdById_fkey` FOREIGN KEY (`createdById`) REFERENCES `user`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `oldquestion` ADD CONSTRAINT `oldquestion_institutionId_fkey` FOREIGN KEY (`institutionId`) REFERENCES `institution`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `practicetest` ADD CONSTRAINT `practicetest_examId_fkey` FOREIGN KEY (`examId`) REFERENCES `exam`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `practicetest` ADD CONSTRAINT `practicetest_createdById_fkey` FOREIGN KEY (`createdById`) REFERENCES `user`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `practicetest` ADD CONSTRAINT `practicetest_institutionId_fkey` FOREIGN KEY (`institutionId`) REFERENCES `institution`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `oldquestionpaper` ADD CONSTRAINT `oldquestionpaper_examId_fkey` FOREIGN KEY (`examId`) REFERENCES `exam`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `oldquestionpaper` ADD CONSTRAINT `oldquestionpaper_createdById_fkey` FOREIGN KEY (`createdById`) REFERENCES `user`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `oldquestionpaper` ADD CONSTRAINT `oldquestionpaper_institutionId_fkey` FOREIGN KEY (`institutionId`) REFERENCES `institution`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `examresult` ADD CONSTRAINT `examresult_studentId_fkey` FOREIGN KEY (`studentId`) REFERENCES `student`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `examresult` ADD CONSTRAINT `examresult_practiceTestId_fkey` FOREIGN KEY (`practiceTestId`) REFERENCES `practicetest`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `examresult` ADD CONSTRAINT `examresult_oldQuestionPaperId_fkey` FOREIGN KEY (`oldQuestionPaperId`) REFERENCES `oldquestionpaper`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `examresult` ADD CONSTRAINT `examresult_institutionId_fkey` FOREIGN KEY (`institutionId`) REFERENCES `institution`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `feedback` ADD CONSTRAINT `feedback_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `user`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `feedback` ADD CONSTRAINT `feedback_institutionId_fkey` FOREIGN KEY (`institutionId`) REFERENCES `institution`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `notification` ADD CONSTRAINT `notification_examId_fkey` FOREIGN KEY (`examId`) REFERENCES `exam`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `notification` ADD CONSTRAINT `notification_institutionId_fkey` FOREIGN KEY (`institutionId`) REFERENCES `institution`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `support` ADD CONSTRAINT `support_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `user`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `support` ADD CONSTRAINT `support_questionId_fkey` FOREIGN KEY (`questionId`) REFERENCES `questionbank`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `support` ADD CONSTRAINT `support_institutionId_fkey` FOREIGN KEY (`institutionId`) REFERENCES `institution`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `syllabus` ADD CONSTRAINT `syllabus_examId_fkey` FOREIGN KEY (`examId`) REFERENCES `exam`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `syllabus` ADD CONSTRAINT `syllabus_institutionId_fkey` FOREIGN KEY (`institutionId`) REFERENCES `institution`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `role` ADD CONSTRAINT `role_createdById_fkey` FOREIGN KEY (`createdById`) REFERENCES `user`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `role` ADD CONSTRAINT `role_institutionId_fkey` FOREIGN KEY (`institutionId`) REFERENCES `institution`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `mocktest` ADD CONSTRAINT `mocktest_userId_fkey` FOREIGN KEY (`userId`) REFERENCES `user`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `mocktest` ADD CONSTRAINT `mocktest_institutionId_fkey` FOREIGN KEY (`institutionId`) REFERENCES `institution`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `_StaffToSubject` ADD CONSTRAINT `_StaffToSubject_A_fkey` FOREIGN KEY (`A`) REFERENCES `staff`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `_StaffToSubject` ADD CONSTRAINT `_StaffToSubject_B_fkey` FOREIGN KEY (`B`) REFERENCES `subject`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `_ExamToQuestionBank` ADD CONSTRAINT `_ExamToQuestionBank_A_fkey` FOREIGN KEY (`A`) REFERENCES `exam`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `_ExamToQuestionBank` ADD CONSTRAINT `_ExamToQuestionBank_B_fkey` FOREIGN KEY (`B`) REFERENCES `questionbank`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `_ExamToOldQuestion` ADD CONSTRAINT `_ExamToOldQuestion_A_fkey` FOREIGN KEY (`A`) REFERENCES `exam`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `_ExamToOldQuestion` ADD CONSTRAINT `_ExamToOldQuestion_B_fkey` FOREIGN KEY (`B`) REFERENCES `oldquestion`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `_ExamToStaff` ADD CONSTRAINT `_ExamToStaff_A_fkey` FOREIGN KEY (`A`) REFERENCES `exam`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `_ExamToStaff` ADD CONSTRAINT `_ExamToStaff_B_fkey` FOREIGN KEY (`B`) REFERENCES `staff`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `_OldQuestionToOldQuestionPaper` ADD CONSTRAINT `_OldQuestionToOldQuestionPaper_A_fkey` FOREIGN KEY (`A`) REFERENCES `oldquestion`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `_OldQuestionToOldQuestionPaper` ADD CONSTRAINT `_OldQuestionToOldQuestionPaper_B_fkey` FOREIGN KEY (`B`) REFERENCES `oldquestionpaper`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `_PracticeTestToQuestionBank` ADD CONSTRAINT `_PracticeTestToQuestionBank_A_fkey` FOREIGN KEY (`A`) REFERENCES `practicetest`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `_PracticeTestToQuestionBank` ADD CONSTRAINT `_PracticeTestToQuestionBank_B_fkey` FOREIGN KEY (`B`) REFERENCES `questionbank`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `_MockTestToQuestionBank` ADD CONSTRAINT `_MockTestToQuestionBank_A_fkey` FOREIGN KEY (`A`) REFERENCES `mocktest`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `_MockTestToQuestionBank` ADD CONSTRAINT `_MockTestToQuestionBank_B_fkey` FOREIGN KEY (`B`) REFERENCES `questionbank`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;