diff --git a/database/migrations/2024_12_27_060234_create_studies_table.php b/database/migrations/2024_12_27_060234_create_studies_table.php
index 1240d18..8a93af3 100644
--- a/database/migrations/2024_12_27_060234_create_studies_table.php
+++ b/database/migrations/2024_12_27_060234_create_studies_table.php
@@ -36,8 +36,10 @@ public function up(): void
             $table->dateTime('study_date');
 
             $table->dateTime('received_at');
-            $table->dateTime('reported_at')->nullable();
             $table->dateTime('assigned_at')->nullable();
+            $table->dateTime('reported_at')->nullable();
+            $table->dateTime('authorized_at')->nullable();
+
             $table->foreignIdFor(Institute::class)->constrained()->onDelete('cascade');
             $table->unsignedTinyInteger('study_status')->default(StudyLevelStatus::Pending->value);
             $table->unsignedTinyInteger('report_status')->default(ReportStatus::Pending->value);
@@ -46,10 +48,9 @@ public function up(): void
             $table->unsignedSmallInteger('series_count')->nullable();
             $table->unsignedInteger('disk_size')->nullable();
 
-            $table->foreignIdFor(User::class, 'assigned_physician_id')->nullable()->constrained()->onDelete('set null');
-            $table->foreignIdFor(User::class, 'interpreting_physician_id')->nullable()->constrained()->onDelete('set null');
-            $table->foreignIdFor(User::class, 'referring_physician_id')->nullable()->constrained()->onDelete('set null');
-            $table->foreignIdFor(User::class, 'reading_physician_id')->nullable()->constrained()->onDelete('set null');
+            $table->foreignIdFor(User::class, 'assigned_physician_id')->nullable()->constrained()->nullOnDelete();
+            $table->foreignIdFor(User::class, 'reading_physician_id')->nullable()->constrained()->nullOnDelete();
+            $table->foreignIdFor(User::class, 'referring_provider_id')->nullable()->constrained()->nullOnDelete();
 
             $table->timestamps();
         });
diff --git a/database/migrations/2024_12_28_051451_create_study_reports_table.php b/database/migrations/2024_12_28_051451_create_study_reports_table.php
index e3857c3..8dfc12b 100644
--- a/database/migrations/2024_12_28_051451_create_study_reports_table.php
+++ b/database/migrations/2024_12_28_051451_create_study_reports_table.php
@@ -17,8 +17,8 @@ public function up(): void
             $table->foreignIdFor(Study::class)->index()->constrained()->cascadeOnDelete();
             $table->foreignIdFor(User::class, 'radiologist_id')->index()->constrained()->cascadeOnDelete();
             $table->string('report_title')->nullable();
-            $table->string('file_path');
-            $table->string('pdf_path')->nullable();
+            $table->binary('content')->nullable();
+            $table->string('remarks')->nullable();
             $table->timestamps();
         });
     }