diff --git a/src/core/database.cpp b/src/core/database.cpp
index 1ad5f43..0b3207a 100644
--- a/src/core/database.cpp
+++ b/src/core/database.cpp
@@ -18,4 +18,14 @@ void Database::exec(const std::string& sql)
     if (errCode) {
         throw std::runtime_error("Error in SQL execution.");
     }
+}
+
+void Database::beginTransaction()
+{
+    exec("BEGIN TRANSACTION");
+}
+
+void Database::endTransaction()
+{
+    exec("END TRANSACTION");
 }
\ No newline at end of file
diff --git a/src/core/database.h b/src/core/database.h
index dcb2858..5fcf027 100644
--- a/src/core/database.h
+++ b/src/core/database.h
@@ -15,6 +15,8 @@ public:
     void exec(const std::string& sql);
 private:
     sqlite3 *db;
+    void beginTransaction();
+    void endTransaction();
 };
 
 #endif // DATABASE_H
\ No newline at end of file