diff --git a/lib/data/dao/game_dao.dart b/lib/data/dao/game_dao.dart
index 1c19187..9d11d55 100644
--- a/lib/data/dao/game_dao.dart
+++ b/lib/data/dao/game_dao.dart
@@ -1,4 +1,30 @@
 import 'package:game_tracker/data/database.dart';
 import 'package:drift/drift.dart';
 
-extension GameDao on AppDatabase {}
+extension GameDao on AppDatabase {
+  Future<List<GameTableData>> getAllGames() async {
+    return await select(gameTable).get();
+  }
+
+  Future<GameTableData> getGameById(int id) async {
+    return await (select(
+      gameTable,
+    )..where((ga) => ga.id.equals(id))).getSingle();
+  }
+
+  Future<void> addGame(int id, String name) async {
+    await into(
+      gameTable,
+    ).insert(GameTableCompanion.insert(name: name));
+  }
+
+  Future<void> deleteGameById(int id) async {
+    await (delete(gameTable)..where((ga) => ga.id.equals(id))).go();
+  }
+
+  Future<void> updateGameName(int id, String newName) async {
+    await (update(gameTable)..where((ga) => ga.id.equals(id))).write(
+      GameTableCompanion(name: Value(newName)),
+    );
+  }
+}
diff --git a/lib/data/dao/group_dao.dart b/lib/data/dao/group_dao.dart
index 5ebf772..496989a 100644
--- a/lib/data/dao/group_dao.dart
+++ b/lib/data/dao/group_dao.dart
@@ -9,7 +9,7 @@ extension GroupDao on AppDatabase {
   Future<GroupTableData> getGroupById(String id) async {
     return await (select(
       groupTable,
-    )..where((g) => g.id.equals(id))).getSingle();
+    )..where((gr) => gr.id.equals(id))).getSingle();
   }
 
   Future<void> addGroup(String id, String name) async {
@@ -18,12 +18,12 @@ extension GroupDao on AppDatabase {
     ).insert(GroupTableCompanion.insert(id: id, name: name));
   }
 
-  Future<void> deleteGroup(String id) async {
-    await (delete(groupTable)..where((g) => g.id.equals(id))).go();
+  Future<void> deleteGroupById(String id) async {
+    await (delete(groupTable)..where((gr) => gr.id.equals(id))).go();
   }
 
-  Future<void> updateGroupname(String id, String newName) async {
-    await (update(groupTable)..where((g) => g.id.equals(id))).write(
+  Future<void> updateGroupName(String id, String newName) async {
+    await (update(groupTable)..where((gr) => gr.id.equals(id))).write(
       GroupTableCompanion(name: Value(newName)),
     );
   }
diff --git a/lib/data/dao/match_dao.dart b/lib/data/dao/match_dao.dart
index b577671..e0cc894 100644
--- a/lib/data/dao/match_dao.dart
+++ b/lib/data/dao/match_dao.dart
@@ -1,4 +1,23 @@
 import 'package:game_tracker/data/database.dart';
-import 'package:drift/drift.dart';
 
-extension MatchDao on AppDatabase {}
+extension MatchDao on AppDatabase {
+  Future<List<MatchTableData>> getAllMatches() async {
+    return await select(matchTable).get();
+  }
+
+  Future<MatchTableData> getMatchById(String id) async {
+    return await (select(
+      matchTable,
+    )..where((m) => m.id.equals(id))).getSingle();
+  }
+
+  Future<void> addMatch(String matchId, int gameId, String groupId, DateTime createdAt) async {
+    await into(
+      matchTable,
+    ).insert(MatchTableCompanion.insert(id: matchId, gameId: gameId, groupId: groupId, createdAt: createdAt));
+  }
+
+  Future<void> deleteMatchById(String id) async {
+    await (delete(matchTable)..where((m) => m.id.equals(id))).go();
+  }
+}
\ No newline at end of file
diff --git a/lib/data/dao/result_placement_dao.dart b/lib/data/dao/result_placement_dao.dart
index 2396a3b..dd3eb48 100644
--- a/lib/data/dao/result_placement_dao.dart
+++ b/lib/data/dao/result_placement_dao.dart
@@ -1,4 +1,36 @@
 import 'package:game_tracker/data/database.dart';
 import 'package:drift/drift.dart';
 
-extension ResultPlacementDao on AppDatabase {}
+extension ResultPlacementDao on AppDatabase {
+  Future<List<ResultPlacementTableData>> getAllResultPlacements() async {
+    return await select(resultPlacementTable).get();
+  }
+
+  Future<List<ResultPlacementTableData>> getAllResultPlacementsByMatchId(String matchId) async {
+    return await (select(
+      resultPlacementTable,
+    )..where((rP) => rP.matchId.equals(matchId))).get();
+  }
+
+  Future<List<ResultPlacementTableData>> getAllResultPlacementsByUserId(String userId) async {
+    return await (select(
+      resultPlacementTable,
+    )..where((rP) => rP.matchId.equals(userId))).get();
+  }
+
+  Future<void> addResultPlacement(String matchId, String userId, int placement) async {
+    await into(
+      resultPlacementTable,
+    ).insert(ResultPlacementTableCompanion.insert(matchId: matchId, userId: userId, placement: placement));
+  }
+
+  Future<void> deleteResultPlacementsByMatchId(String matchId) async {
+    await (delete(resultPlacementTable)..where((rP) => rP.matchId.equals(matchId))).go();
+  }
+
+  Future<void> updateResultPlacement(String matchId, String userId, int placement) async {
+    await (update(resultPlacementTable)..where((rP) => rP.matchId.equals(matchId))..where((rP) => rP.userId.equals(userId))).write(
+      ResultPlacementTableCompanion(placement: Value(placement)),
+    );
+  }
+}
diff --git a/lib/data/dao/result_score_dao.dart b/lib/data/dao/result_score_dao.dart
index dbbc79f..f100551 100644
--- a/lib/data/dao/result_score_dao.dart
+++ b/lib/data/dao/result_score_dao.dart
@@ -1,4 +1,36 @@
 import 'package:game_tracker/data/database.dart';
 import 'package:drift/drift.dart';
 
-extension ResultScoreDao on AppDatabase {}
+extension ResultScoreDao on AppDatabase {
+    Future<List<ResultScoreTableData>> getAllResultScores() async {
+    return await select(resultScoreTable).get();
+  }
+
+  Future<List<ResultScoreTableData>> getAllResultScoresByMatchId(String matchId) async {
+    return await (select(
+      resultScoreTable,
+    )..where((rS) => rS.matchId.equals(matchId))).get();
+  }
+
+  Future<List<ResultScoreTableData>> getAllResultScoresByUserId(String userId) async {
+    return await (select(
+      resultScoreTable,
+    )..where((rS) => rS.matchId.equals(userId))).get();
+  }
+
+  Future<void> addResultScore(String matchId, String userId, int score) async {
+    await into(
+      resultScoreTable,
+    ).insert(ResultScoreTableCompanion.insert(matchId: matchId, userId: userId, score: score));
+  }
+
+  Future<void> deleteResultScoresByMatchId(String matchId) async {
+    await (delete(resultScoreTable)..where((rS) => rS.matchId.equals(matchId))).go();
+  }
+
+  Future<void> updateResultScore(String matchId, String userId, int score) async {
+    await (update(resultScoreTable)..where((rS) => rS.matchId.equals(matchId))..where((rS) => rS.userId.equals(userId))).write(
+      ResultScoreTableCompanion(score: Value(score)),
+    );
+  }
+}
diff --git a/lib/data/dao/result_win_dao.dart b/lib/data/dao/result_win_dao.dart
index d4d5794..3b93910 100644
--- a/lib/data/dao/result_win_dao.dart
+++ b/lib/data/dao/result_win_dao.dart
@@ -1,4 +1,36 @@
 import 'package:game_tracker/data/database.dart';
 import 'package:drift/drift.dart';
 
-extension ResultWinDao on AppDatabase {}
+extension ResultWinDao on AppDatabase {
+    Future<List<ResultWinTableData>> getAllResultWins() async {
+    return await select(resultWinTable).get();
+  }
+
+  Future<ResultWinTableData> getResultWinByMatchId(String matchId) async {
+    return await (select(
+      resultWinTable,
+    )..where((rW) => rW.matchId.equals(matchId))).getSingle();
+  }
+
+  Future<List<ResultWinTableData>> getAllResultWinsByUserId(String userId) async {
+    return await (select(
+      resultWinTable,
+    )..where((rW) => rW.matchId.equals(userId))).get();
+  }
+
+  Future<void> addResultWin(String matchId, String winnerId) async {
+    await into(
+      resultWinTable,
+    ).insert(ResultWinTableCompanion.insert(matchId: matchId, winnerId: winnerId));
+  }
+
+  Future<void> deleteResultWinByMatchId(String matchId) async {
+    await (delete(resultWinTable)..where((rW) => rW.matchId.equals(matchId))).go();
+  }
+
+  Future<void> updateResultWin(String matchId, String newWinnerId) async {
+    await (update(resultWinTable)..where((rW) => rW.matchId.equals(matchId))).write(
+      ResultWinTableCompanion(winnerId: Value(newWinnerId)),
+    );
+  }
+}
diff --git a/lib/data/dao/user_dao.dart b/lib/data/dao/user_dao.dart
index 7d89fa7..2cb95b1 100644
--- a/lib/data/dao/user_dao.dart
+++ b/lib/data/dao/user_dao.dart
@@ -14,7 +14,7 @@ extension UserDao on AppDatabase {
     await into(userTable).insert(UserTableCompanion.insert(id: id, name: name));
   }
 
-  Future<void> deleteUser(String id) async {
+  Future<void> deleteUserById(String id) async {
     await (delete(userTable)..where((u) => u.id.equals(id))).go();
   }