diff --git a/app/controller/controller.py b/app/controller/controller.py
index 168fa26..e453fd8 100644
--- a/app/controller/controller.py
+++ b/app/controller/controller.py
@@ -12,6 +12,7 @@
     from model.threading import SearchThread, FilePreviewThread, FileProcessingThread
     from views.list import DataListItem
     from PyQt5.QtWidgets import QListWidgetItem
+    from model.database import TableDBManager
 
 import os
 import re
@@ -104,19 +105,22 @@ def _connect_sigs(
             self.signal_connections.append((signal, slot))
 
     def add_tag(self, tag: 'str'):
-        self.model.last_selected_table.add_tag(tag)
+        self.model.last_selected_table.add_tag(
+            tag, self.model.table_db_manager)
 
-        self.curr_elems.tags_display_widget.clear()        
+        self.curr_elems.tags_display_widget.clear()
         for tag in self.model.last_selected_table.get_tags():
             self.curr_elems.tags_display_widget.addTag(tag)
 
     def remove_tag(self, tag: 'str'):
-        self.model.last_selected_table.remove_tag(tag)
+        self.model.last_selected_table.remove_tag(
+            tag, self.model.table_db_manager
+        )
 
         self.curr_elems.tags_display_widget.clear()
         for tag in self.model.last_selected_table.get_tags():
             self.curr_elems.tags_display_widget.addTag(tag)
-        
+
     def _disconnect_sigs(self):
         for signal, slot in self.signal_connections:
             if signal and slot:
@@ -267,7 +271,7 @@ def preview_processed_table(
         self.curr_elems.tags_display_widget.clear()
         for tag in table.get_tags():
             self.curr_elems.tags_display_widget.addTag(tag)
-        
+
         table_data = {
             "sheet": self.model.table_db_manager.get_processed_table_data(
                 table.id, context
diff --git a/app/model/article_managers.py b/app/model/article_managers.py
index a28b63e..b6392fc 100644
--- a/app/model/article_managers.py
+++ b/app/model/article_managers.py
@@ -1,6 +1,7 @@
 from typing import TYPE_CHECKING
 if TYPE_CHECKING:
     from views.list import ListItem, DataListItem, ArticleListItem
+    from model.database import TableDBManager
 
 from utils.constants import PageIdentity
 from uuid import uuid4, UUID
@@ -108,14 +109,15 @@ def set_checked_state(self, checked_state: 'bool', context: 'PageIdentity'):
             if context in self.observers:
                 self.notify_observers(context)
 
-    def add_tag(self, tag: 'str'):
+    def add_tag(self, tag: 'str', db_manager: 'TableDBManager'):
         if tag not in self.tags:
             self.tags.append(tag)
-            # self.notify_observers(PageIdentity.PRUNED)
+            db_manager.update_table_tags(self.id, self.tags)
     
-    def remove_tag(self, tag: 'str'):
+    def remove_tag(self, tag: 'str', db_manager: 'TableDBManager'):
         if tag in self.tags:
             self.tags.remove(tag)
+            db_manager.update_table_tags(self.id, self.tags)
             
     def get_tags(self):
         return self.tags
diff --git a/app/model/database.py b/app/model/database.py
index 3a48672..b20c069 100644
--- a/app/model/database.py
+++ b/app/model/database.py
@@ -126,6 +126,23 @@ def update_table(
                 )
                 session.commit()
 
+    def update_table_tags(self, table_id: 'str', tags: 'list[str]'):
+        self._update_table_tags(ProcessedTableDBEntry, table_id, tags)
+        self._update_table_tags(PostPruningTableDBEntry, table_id, tags)
+
+    def _update_table_tags(
+        self,
+        table_class: 'TableDBEntry',
+        table_id: 'str',
+        tags: 'list[str]'
+    ):
+        _, Session = self._get_engine_and_session(table_class)
+        with Session() as session:
+            table_entry: 'TableDBEntry' = session.query(table_class).filter_by(table_id=table_id).first()
+            if table_entry:
+                table_entry.tags = tags
+                session.commit()
+
     def get_processed_table_data(
         self,
         table_id: 'str',