Working Database setupgit add .

prisma/migrations/20251222060957_add_final_grades/migration.sql

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+-- CreateTable
+CREATE TABLE "FinalGrade" (
+    "id" TEXT NOT NULL,
+    "userId" TEXT NOT NULL,
+    "classId" TEXT NOT NULL,
+    "grade" TEXT NOT NULL,
+    "updatedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "FinalGrade_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE INDEX "FinalGrade_userId_idx" ON "FinalGrade"("userId");
+
+-- CreateIndex
+CREATE INDEX "FinalGrade_classId_idx" ON "FinalGrade"("classId");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "FinalGrade_userId_classId_key" ON "FinalGrade"("userId", "classId");
+
+-- AddForeignKey
+ALTER TABLE "FinalGrade" ADD CONSTRAINT "FinalGrade_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "FinalGrade" ADD CONSTRAINT "FinalGrade_classId_fkey" FOREIGN KEY ("classId") REFERENCES "Class"("id") ON DELETE CASCADE ON UPDATE CASCADE;