diff --git a/CMakeLists.txt b/CMakeLists.txt
index 189f42b..dbfd39f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,6 +22,7 @@ include(GNUInstallDirs)
 
 # dtranslatebot Source files
 set(DTRANSLATEBOT_HEADERS
+    src/database_core.h
     src/message_queue.h
     src/settings.h
     src/slashcommands.h
@@ -31,6 +32,7 @@ set(DTRANSLATEBOT_HEADERS
     src/webhook_push.h
 )
 set(DTRANSLATEBOT_SOURCES
+    src/database_core.cpp
     src/main.cpp
     src/message_queue.cpp
     src/settings.cpp
diff --git a/src/database_core.cpp b/src/database_core.cpp
new file mode 100644
index 0000000..8c66c8b
--- /dev/null
+++ b/src/database_core.cpp
@@ -0,0 +1,87 @@
+/*****************************************************************************
+* dtranslatebot Discord Translate Bot
+* Copyright (C) 2024 Syping
+*
+* Redistribution and use in source and binary forms, with or without modification,
+* are permitted provided that the following conditions are met:
+*
+* 1. Redistributions of source code must retain the above copyright notice,
+* this list of conditions and the following disclaimer.
+*
+* 2. Redistributions in binary form must reproduce the above copyright notice,
+* this list of conditions and the following disclaimer in the documentation
+* and/or other materials provided with the distribution.
+*
+* This software is provided as-is, no warranties are given to you, we are not
+* responsible for anything with use of the software, you are self responsible.
+*****************************************************************************/
+
+#ifndef NDEBUG
+#include <iostream>
+#endif
+#include "database_core.h"
+using namespace bot::database;
+
+database::database()
+{
+}
+
+database::~database()
+{
+}
+
+bool database::add_channel_target(dpp::snowflake guild_id, dpp::snowflake channel_id, const bot::settings::target &target)
+{
+#ifndef NDEBUG
+    std::cerr << "[Debug] database::add_channel_target(dpp::snowflake, dpp::snowflake, const bot::settings::target&) have being called." << std::endl;
+#endif
+    return false;
+}
+
+std::variant<std::monostate,bot::settings::target> database::find_channel_target(dpp::snowflake guild_id, dpp::snowflake channel_id, const std::string &target)
+{
+#ifndef NDEBUG
+    std::cerr << "[Debug] database::find_channel_target(dpp::snowflake, dpp::snowflake, const std::string&) have being called." << std::endl;
+#endif
+    return {};
+}
+
+std::vector<dpp::snowflake> database::get_channels(dpp::snowflake guild_id)
+{
+#ifndef NDEBUG
+    std::cerr << "[Debug] database::get_channels(dpp::snowflake) have being called." << std::endl;
+#endif
+    return {};
+}
+
+std::string database::get_channel_source(dpp::snowflake guild_id, dpp::snowflake channel_id)
+{
+#ifndef NDEBUG
+    std::cerr << "[Debug] database::get_channel_source(dpp::snowflake, dpp::snowflake) have being called." << std::endl;
+#endif
+    return {};
+}
+
+std::vector<bot::settings::target> database::get_channel_targets(dpp::snowflake guild_id, dpp::snowflake channel_id)
+{
+#ifndef NDEBUG
+    std::cerr << "[Debug] database::get_channel_targets(dpp::snowflake, dpp::snowflake) have being called." << std::endl;
+#endif
+    return {};
+}
+
+std::vector<dpp::snowflake> database::get_guilds()
+{
+#ifndef NDEBUG
+    std::cerr << "[Debug] database::get_guilds() have being called." << std::endl;
+#endif
+    return {};
+}
+
+bool database::set_channel_source(dpp::snowflake guild_id, dpp::snowflake channel_id, const std::string &source)
+{
+#ifndef NDEBUG
+    std::cerr << "[Debug] database::set_channel_source(dpp::snowflake, dpp::snowflake, const std::string&) have being called." << std::endl;
+#endif
+    return false;
+}
diff --git a/src/database_core.h b/src/database_core.h
new file mode 100644
index 0000000..e47724e
--- /dev/null
+++ b/src/database_core.h
@@ -0,0 +1,42 @@
+/*****************************************************************************
+* dtranslatebot Discord Translate Bot
+* Copyright (C) 2024 Syping
+*
+* Redistribution and use in source and binary forms, with or without modification,
+* are permitted provided that the following conditions are met:
+*
+* 1. Redistributions of source code must retain the above copyright notice,
+* this list of conditions and the following disclaimer.
+*
+* 2. Redistributions in binary form must reproduce the above copyright notice,
+* this list of conditions and the following disclaimer in the documentation
+* and/or other materials provided with the distribution.
+*
+* This software is provided as-is, no warranties are given to you, we are not
+* responsible for anything with use of the software, you are self responsible.
+*****************************************************************************/
+
+#ifndef DATABASE_CORE_H
+#define DATABASE_CORE_H
+
+#include <vector>
+#include "settings.h"
+
+namespace bot {
+    namespace database {
+        class database {
+        public:
+            explicit database();
+            virtual ~database();
+            virtual bool add_channel_target(dpp::snowflake guild_id, dpp::snowflake channel_id, const bot::settings::target &target);
+            virtual std::variant<std::monostate,bot::settings::target> find_channel_target(dpp::snowflake guild_id, dpp::snowflake channel_id, const std::string &target);
+            virtual std::vector<dpp::snowflake> get_channels(dpp::snowflake guild_id);
+            virtual std::string get_channel_source(dpp::snowflake guild_id, dpp::snowflake channel_id);
+            virtual std::vector<bot::settings::target> get_channel_targets(dpp::snowflake guild_id, dpp::snowflake channel_id);
+            virtual std::vector<dpp::snowflake> get_guilds();
+            virtual bool set_channel_source(dpp::snowflake guild_id, dpp::snowflake channel_id, const std::string &source);
+        };
+    }
+}
+
+#endif // DATABASE_CORE_H