diff --git a/Makefile b/Makefile
index ffa54b3899b..0b757c6c3ab 100644
--- a/Makefile
+++ b/Makefile
@@ -91,7 +91,7 @@ allconfig:
 	$(call config-cmake-release, \
 		-DBUILD_BENCHMARK=TRUE \
 		-DBUILD_EXAMPLES=TRUE \
-		-DBUILD_EXTENSIONS="httpfs;duckdb;json;postgres;sqlite;fts;delta;iceberg" \
+		-DBUILD_EXTENSIONS="httpfs;duckdb;json;postgres;sqlite;fts;delta;iceberg;unity_catalog" \
 		-DBUILD_JAVA=TRUE \
 		-DBUILD_NODEJS=TRUE \
 		-DBUILD_PYTHON=TRUE \
@@ -106,7 +106,7 @@ alldebug:
 	$(call run-cmake-debug, \
 		-DBUILD_BENCHMARK=TRUE \
 		-DBUILD_EXAMPLES=TRUE \
-		-DBUILD_EXTENSIONS="httpfs;duckdb;json;postgres;sqlite;fts;delta;iceberg" \
+		-DBUILD_EXTENSIONS="httpfs;duckdb;json;postgres;sqlite;fts;delta;iceberg;unity_catalog" \
 		-DBUILD_JAVA=TRUE \
 		-DBUILD_NODEJS=TRUE \
 		-DBUILD_PYTHON=TRUE \
@@ -195,7 +195,7 @@ example:
 
 extension-test-build:
 	$(call run-cmake-relwithdebinfo, \
-		-DBUILD_EXTENSIONS="httpfs;duckdb;json;postgres;sqlite;fts;delta;iceberg" \
+		-DBUILD_EXTENSIONS="httpfs;duckdb;json;postgres;sqlite;fts;delta;iceberg;unity_catalog" \
 		-DBUILD_EXTENSION_TESTS=TRUE \
 		-DBUILD_TESTS=TRUE \
 	)
@@ -221,13 +221,13 @@ extension-json-test: extension-json-test-build
 
 extension-debug:
 	$(call run-cmake-debug, \
-		-DBUILD_EXTENSIONS="httpfs;duckdb;json;postgres;sqlite;fts;delta;iceberg" \
+		-DBUILD_EXTENSIONS="httpfs;duckdb;json;postgres;sqlite;fts;delta;iceberg;unity_catalog" \
 		-DBUILD_KUZU=FALSE \
 	)
 
 extension-release:
 	$(call run-cmake-release, \
-		-DBUILD_EXTENSIONS="httpfs;duckdb;json;postgres;sqlite;fts;delta;iceberg" \
+		-DBUILD_EXTENSIONS="httpfs;duckdb;json;postgres;sqlite;fts;delta;iceberg;unity_catalog" \
 		-DBUILD_KUZU=FALSE \
 	)
 
@@ -270,6 +270,7 @@ clean-extension:
 	cmake -E rm -rf extension/fts/build
 	cmake -E rm -rf extension/delta/build
 	cmake -E rm -rf extension/iceberg/build
+	cmake -E rm -rf extension/unity_catalog/build
 
 clean-python-api:
 	cmake -E rm -rf tools/python_api/build
diff --git a/extension/CMakeLists.txt b/extension/CMakeLists.txt
index 289bd6d9d2a..3bb7951d220 100644
--- a/extension/CMakeLists.txt
+++ b/extension/CMakeLists.txt
@@ -61,3 +61,7 @@ endif ()
 if ("iceberg" IN_LIST BUILD_EXTENSIONS)
     add_subdirectory(iceberg)
 endif ()
+
+if ("unity_catalog" IN_LIST BUILD_EXTENSIONS)
+    add_subdirectory(unity_catalog)
+endif ()
diff --git a/extension/delta/src/main/CMakeLists.txt b/extension/delta/src/main/CMakeLists.txt
index ccfc2b148a7..557968a69d4 100644
--- a/extension/delta/src/main/CMakeLists.txt
+++ b/extension/delta/src/main/CMakeLists.txt
@@ -3,11 +3,6 @@ add_library(kuzu_delta_extension
         delta_extension.cpp
         ${PROJECT_SOURCE_DIR}/extension/httpfs/src/s3_download_options.cpp)
 
-target_include_directories(
-        kuzu_delta_extension
-        PRIVATE
-)
-
 set(DELTA_EXTENSION_OBJECT_FILES
         ${DELTA_EXTENSION_OBJECT_FILES} $<TARGET_OBJECTS:kuzu_delta_extension>
         PARENT_SCOPE)
diff --git a/extension/unity_catalog/CMakeLists.txt b/extension/unity_catalog/CMakeLists.txt
new file mode 100644
index 00000000000..e0aa06dea09
--- /dev/null
+++ b/extension/unity_catalog/CMakeLists.txt
@@ -0,0 +1,45 @@
+if (WIN32)
+    set(DuckDB_USE_STATIC_LIBS ON)
+else ()
+    set(DuckDB_USE_STATIC_LIBS OFF)
+endif ()
+find_package(DuckDB REQUIRED)
+
+include_directories(
+        ${PROJECT_SOURCE_DIR}/src/include
+        src/include
+        ${PROJECT_SOURCE_DIR}/extension/duckdb/src/include
+        ${DuckDB_INCLUDE_DIRS})
+
+add_subdirectory(src/installer)
+add_subdirectory(src/main)
+add_subdirectory(src/connector)
+add_subdirectory(src/storage)
+add_subdirectory(src/options)
+
+add_library(unity_catalog_extension
+        SHARED
+        ${UNITY_CATALOG_EXTENSION_OBJECT_FILES})
+
+set_extension_properties(unity_catalog_extension unity_catalog unity_catalog)
+
+target_link_libraries(unity_catalog_extension
+        PRIVATE
+        ${DuckDB_LIBRARIES})
+
+if (NOT WIN32)
+    add_library(unity_catalog_loader
+            SHARED
+            ${PROJECT_SOURCE_DIR}/extension/duckdb/src/loader/duckdb_loader.cpp)
+    set_extension_properties(unity_catalog_loader unity_catalog_loader unity_catalog)
+endif ()
+
+if (WIN32)
+    # See comments in extension/httpfs/CMakeLists.txt.
+    target_link_libraries(unity_catalog_extension PRIVATE kuzu)
+endif ()
+
+if (APPLE)
+    set_apple_dynamic_lookup(unity_catalog_extension)
+    set_apple_dynamic_lookup(unity_catalog_loader)
+endif ()
diff --git a/extension/unity_catalog/src/connector/CMakeLists.txt b/extension/unity_catalog/src/connector/CMakeLists.txt
new file mode 100644
index 00000000000..7f16d7bef30
--- /dev/null
+++ b/extension/unity_catalog/src/connector/CMakeLists.txt
@@ -0,0 +1,9 @@
+add_library(kuzu_unity_catalog_connector
+        OBJECT
+        unity_catalog_connector.cpp
+        ${PROJECT_SOURCE_DIR}/extension/duckdb/src/connector/duckdb_connector.cpp
+        ${PROJECT_SOURCE_DIR}/extension/duckdb/src/connector/duckdb_result_converter.cpp)
+
+set(UNITY_CATALOG_EXTENSION_OBJECT_FILES
+        ${UNITY_CATALOG_EXTENSION_OBJECT_FILES} $<TARGET_OBJECTS:kuzu_unity_catalog_connector>
+        PARENT_SCOPE)
diff --git a/extension/unity_catalog/src/connector/unity_catalog_connector.cpp b/extension/unity_catalog/src/connector/unity_catalog_connector.cpp
new file mode 100644
index 00000000000..12341e3e3d8
--- /dev/null
+++ b/extension/unity_catalog/src/connector/unity_catalog_connector.cpp
@@ -0,0 +1,24 @@
+#include "connector/unity_catalog_connector.h"
+
+#include "options/unity_catalog_options.h"
+
+namespace kuzu {
+namespace unity_catalog_extension {
+
+void UnityCatalogConnector::connect(const std::string& dbPath, const std::string& catalogName,
+    const std::string& /*schemaName*/, main::ClientContext* context) {
+    // Creates an in-memory duckdb instance, then install httpfs and attach postgres.
+    instance = std::make_unique<duckdb::DuckDB>(nullptr);
+    connection = std::make_unique<duckdb::Connection>(*instance);
+    executeQuery("install uc_catalog from core_nightly;");
+    executeQuery("load uc_catalog;");
+    executeQuery("install delta;");
+    executeQuery("load delta;");
+    executeQuery("install delta;");
+    executeQuery(DuckDBUnityCatalogSecretManager::getSecret(context));
+    executeQuery(common::stringFormat("attach '{}' as {} (TYPE UC_CATALOG, read_only);", dbPath,
+        catalogName));
+}
+
+} // namespace unity_catalog_extension
+} // namespace kuzu
diff --git a/extension/unity_catalog/src/include/connector/unity_catalog_connector.h b/extension/unity_catalog/src/include/connector/unity_catalog_connector.h
new file mode 100644
index 00000000000..047ff1a3706
--- /dev/null
+++ b/extension/unity_catalog/src/include/connector/unity_catalog_connector.h
@@ -0,0 +1,15 @@
+#pragma once
+
+#include "connector/duckdb_connector.h"
+
+namespace kuzu {
+namespace unity_catalog_extension {
+
+class UnityCatalogConnector : public duckdb_extension::DuckDBConnector {
+public:
+    void connect(const std::string& dbPath, const std::string& catalogName,
+        const std::string& schemaName, main::ClientContext* context) override;
+};
+
+} // namespace unity_catalog_extension
+} // namespace kuzu
diff --git a/extension/unity_catalog/src/include/main/unity_catalog_extension.h b/extension/unity_catalog/src/include/main/unity_catalog_extension.h
new file mode 100644
index 00000000000..2d3b7150fd1
--- /dev/null
+++ b/extension/unity_catalog/src/include/main/unity_catalog_extension.h
@@ -0,0 +1,17 @@
+#pragma once
+
+#include "extension/extension.h"
+
+namespace kuzu {
+namespace unity_catalog_extension {
+
+class UnityCatalogExtension final : public extension::Extension {
+public:
+    static constexpr char EXTENSION_NAME[] = "UNITY_CATALOG";
+
+public:
+    static void load(main::ClientContext* context);
+};
+
+} // namespace unity_catalog_extension
+} // namespace kuzu
diff --git a/extension/unity_catalog/src/include/options/unity_catalog_options.h b/extension/unity_catalog/src/include/options/unity_catalog_options.h
new file mode 100644
index 00000000000..f5fa9c3f781
--- /dev/null
+++ b/extension/unity_catalog/src/include/options/unity_catalog_options.h
@@ -0,0 +1,35 @@
+#pragma once
+
+#include "common/types/value/value.h"
+
+namespace kuzu {
+namespace main {
+class Database;
+class ClientContext;
+} // namespace main
+
+namespace unity_catalog_extension {
+
+struct UnityCatalogToken {
+    static constexpr const char* NAME = "uc_token";
+    static constexpr common::LogicalTypeID TYPE = common::LogicalTypeID::STRING;
+    static common::Value getDefaultValue() { return common::Value{"not-used"}; }
+};
+
+struct UnityCatalogEndPoint {
+    static constexpr const char* NAME = "uc_endpoint";
+    static constexpr common::LogicalTypeID TYPE = common::LogicalTypeID::STRING;
+    static common::Value getDefaultValue() { return common::Value{"http://127.0.0.1:8080"}; }
+};
+
+struct UnityCatalogOptions {
+    static void registerExtensionOptions(main::Database* db);
+    static void setEnvValue(main::ClientContext* context);
+};
+
+struct DuckDBUnityCatalogSecretManager {
+    static std::string getSecret(main::ClientContext* context);
+};
+
+} // namespace unity_catalog_extension
+} // namespace kuzu
diff --git a/extension/unity_catalog/src/include/storage/unity_catalog_storage.h b/extension/unity_catalog/src/include/storage/unity_catalog_storage.h
new file mode 100644
index 00000000000..fd951270a3f
--- /dev/null
+++ b/extension/unity_catalog/src/include/storage/unity_catalog_storage.h
@@ -0,0 +1,24 @@
+#pragma once
+
+#include "storage/storage_extension.h"
+
+namespace kuzu {
+namespace main {
+class Database;
+} // namespace main
+
+namespace unity_catalog_extension {
+
+class UnityCatalogStorageExtension final : public storage::StorageExtension {
+public:
+    static constexpr const char* DB_TYPE = "UC_CATALOG";
+
+    static constexpr const char* DEFAULT_SCHEMA_NAME = "default";
+
+    explicit UnityCatalogStorageExtension(main::Database* database);
+
+    bool canHandleDB(std::string dbType) const override;
+};
+
+} // namespace unity_catalog_extension
+} // namespace kuzu
diff --git a/extension/unity_catalog/src/installer/CMakeLists.txt b/extension/unity_catalog/src/installer/CMakeLists.txt
new file mode 100644
index 00000000000..db7402a9987
--- /dev/null
+++ b/extension/unity_catalog/src/installer/CMakeLists.txt
@@ -0,0 +1,11 @@
+if (NOT WIN32)
+    add_library(unity_catalog_installer
+            SHARED
+            unity_catalog_install_func.cpp
+            ${PROJECT_SOURCE_DIR}/extension/duckdb/src/installer/duckdb_installer.cpp)
+    set_extension_properties(unity_catalog_installer unity_catalog_installer unity_catalog)
+endif ()
+
+if (APPLE)
+    set_apple_dynamic_lookup(unity_catalog_installer)
+endif ()
diff --git a/extension/unity_catalog/src/installer/unity_catalog_install_func.cpp b/extension/unity_catalog/src/installer/unity_catalog_install_func.cpp
new file mode 100644
index 00000000000..eed441b8a20
--- /dev/null
+++ b/extension/unity_catalog/src/installer/unity_catalog_install_func.cpp
@@ -0,0 +1,15 @@
+#include "installer/duckdb_installer.h"
+
+extern "C" {
+// Because we link against the static library on windows, we implicitly inherit KUZU_STATIC_DEFINE,
+// which cancels out any exporting, so we can't use KUZU_API.
+#if defined(_WIN32)
+#define INIT_EXPORT __declspec(dllexport)
+#else
+#define INIT_EXPORT __attribute__((visibility("default")))
+#endif
+INIT_EXPORT void install(kuzu::main::ClientContext* context) {
+    kuzu::duckdb_extension::DuckDBInstaller installer{"unity_catalog"};
+    installer.install(context);
+}
+}
diff --git a/extension/unity_catalog/src/main/CMakeLists.txt b/extension/unity_catalog/src/main/CMakeLists.txt
new file mode 100644
index 00000000000..0d0e61f6fcc
--- /dev/null
+++ b/extension/unity_catalog/src/main/CMakeLists.txt
@@ -0,0 +1,7 @@
+add_library(kuzu_unity_catalog_extension
+        OBJECT
+        unity_catalog_extension.cpp)
+
+set(UNITY_CATALOG_EXTENSION_OBJECT_FILES
+        ${UNITY_CATALOG_EXTENSION_OBJECT_FILES} $<TARGET_OBJECTS:kuzu_unity_catalog_extension>
+        PARENT_SCOPE)
diff --git a/extension/unity_catalog/src/main/unity_catalog_extension.cpp b/extension/unity_catalog/src/main/unity_catalog_extension.cpp
new file mode 100644
index 00000000000..adc99463f99
--- /dev/null
+++ b/extension/unity_catalog/src/main/unity_catalog_extension.cpp
@@ -0,0 +1,37 @@
+
+#include "main/unity_catalog_extension.h"
+
+#include "main/client_context.h"
+#include "options/unity_catalog_options.h"
+#include "storage/unity_catalog_storage.h"
+
+namespace kuzu {
+namespace unity_catalog_extension {
+
+void UnityCatalogExtension::load(main::ClientContext* context) {
+    auto& db = *context->getDatabase();
+    db.registerStorageExtension(EXTENSION_NAME,
+        std::make_unique<UnityCatalogStorageExtension>(&db));
+    UnityCatalogOptions::registerExtensionOptions(&db);
+    UnityCatalogOptions::setEnvValue(context);
+}
+
+} // namespace unity_catalog_extension
+} // namespace kuzu
+
+extern "C" {
+// Because we link against the static library on windows, we implicitly inherit KUZU_STATIC_DEFINE,
+// which cancels out any exporting, so we can't use KUZU_API.
+#if defined(_WIN32)
+#define INIT_EXPORT __declspec(dllexport)
+#else
+#define INIT_EXPORT __attribute__((visibility("default")))
+#endif
+INIT_EXPORT void init(kuzu::main::ClientContext* context) {
+    kuzu::unity_catalog_extension::UnityCatalogExtension::load(context);
+}
+
+INIT_EXPORT const char* name() {
+    return kuzu::unity_catalog_extension::UnityCatalogExtension::EXTENSION_NAME;
+}
+}
diff --git a/extension/unity_catalog/src/options/CMakeLists.txt b/extension/unity_catalog/src/options/CMakeLists.txt
new file mode 100644
index 00000000000..c32459f6a15
--- /dev/null
+++ b/extension/unity_catalog/src/options/CMakeLists.txt
@@ -0,0 +1,7 @@
+add_library(kuzu_unity_catalog_options
+        OBJECT
+        unity_catalog_options.cpp)
+
+set(UNITY_CATALOG_EXTENSION_OBJECT_FILES
+        ${UNITY_CATALOG_EXTENSION_OBJECT_FILES} $<TARGET_OBJECTS:kuzu_unity_catalog_options>
+        PARENT_SCOPE)
diff --git a/extension/unity_catalog/src/options/unity_catalog_options.cpp b/extension/unity_catalog/src/options/unity_catalog_options.cpp
new file mode 100644
index 00000000000..a79dca095ea
--- /dev/null
+++ b/extension/unity_catalog/src/options/unity_catalog_options.cpp
@@ -0,0 +1,48 @@
+#include "options/unity_catalog_options.h"
+
+#include "extension/extension.h"
+#include "main/client_context.h"
+#include "main/database.h"
+
+namespace kuzu {
+namespace unity_catalog_extension {
+
+using namespace common;
+
+void UnityCatalogOptions::registerExtensionOptions(main::Database* db) {
+    ADD_EXTENSION_OPTION(UnityCatalogToken);
+    ADD_EXTENSION_OPTION(UnityCatalogEndPoint);
+}
+
+void UnityCatalogOptions::setEnvValue(main::ClientContext* context) {
+    auto token = context->getEnvVariable(UnityCatalogToken::NAME);
+    auto endPoint = context->getEnvVariable(UnityCatalogEndPoint::NAME);
+    if (token != "") {
+        context->setExtensionOption(UnityCatalogToken::NAME, Value::createValue(token));
+    }
+    if (endPoint != "") {
+        context->setExtensionOption(UnityCatalogToken::NAME, Value::createValue(endPoint));
+    }
+}
+
+static std::string getUnityCatalogOptions(main::ClientContext* context, std::string optionName) {
+    static common::case_insensitive_map_t<std::string> UNITY_CATALOG_OPTIONS = {
+        {UnityCatalogToken::NAME, "TOKEN"}, {UnityCatalogEndPoint::NAME, "ENDPOINT"}};
+    auto optionNameInDuckDB = UNITY_CATALOG_OPTIONS.at(optionName);
+    auto optionValueInKuzu = context->getCurrentSetting(optionName).toString();
+    return common::stringFormat("{} '{}',", optionNameInDuckDB, optionValueInKuzu);
+}
+
+std::string DuckDBUnityCatalogSecretManager::getSecret(main::ClientContext* context) {
+    std::string templateQuery = R"(CREATE SECRET (
+        {}
+        TYPE UC
+    );)";
+    std::string options = "";
+    options += getUnityCatalogOptions(context, UnityCatalogToken::NAME);
+    options += getUnityCatalogOptions(context, UnityCatalogEndPoint::NAME);
+    return common::stringFormat(templateQuery, options);
+}
+
+} // namespace unity_catalog_extension
+} // namespace kuzu
diff --git a/extension/unity_catalog/src/storage/CMakeLists.txt b/extension/unity_catalog/src/storage/CMakeLists.txt
new file mode 100644
index 00000000000..dcc23d825db
--- /dev/null
+++ b/extension/unity_catalog/src/storage/CMakeLists.txt
@@ -0,0 +1,13 @@
+add_library(kuzu_unity_catalog_storage
+        OBJECT
+        unity_catalog_storage.cpp
+        ${PROJECT_SOURCE_DIR}/extension/duckdb/src/catalog/duckdb_catalog.cpp
+        ${PROJECT_SOURCE_DIR}/extension/duckdb/src/function/duckdb_scan.cpp
+        ${PROJECT_SOURCE_DIR}/extension/duckdb/src/function/clear_cache.cpp
+        ${PROJECT_SOURCE_DIR}/extension/duckdb/src/connector/duckdb_type_converter.cpp
+        ${PROJECT_SOURCE_DIR}/extension/duckdb/src/catalog/duckdb_table_catalog_entry.cpp
+)
+
+set(UNITY_CATALOG_EXTENSION_OBJECT_FILES
+        ${UNITY_CATALOG_EXTENSION_OBJECT_FILES} $<TARGET_OBJECTS:kuzu_unity_catalog_storage>
+        PARENT_SCOPE)
diff --git a/extension/unity_catalog/src/storage/unity_catalog_storage.cpp b/extension/unity_catalog/src/storage/unity_catalog_storage.cpp
new file mode 100644
index 00000000000..107b09e60b4
--- /dev/null
+++ b/extension/unity_catalog/src/storage/unity_catalog_storage.cpp
@@ -0,0 +1,41 @@
+#include "storage/unity_catalog_storage.h"
+
+#include "catalog/duckdb_catalog.h"
+#include "common/exception/runtime.h"
+#include "common/string_utils.h"
+#include "connector/unity_catalog_connector.h"
+#include "extension/extension.h"
+#include "function/clear_cache.h"
+#include "storage/attached_duckdb_database.h"
+
+namespace kuzu {
+namespace unity_catalog_extension {
+
+std::unique_ptr<main::AttachedDatabase> attachUnityCatalog(std::string dbName, std::string dbPath,
+    main::ClientContext* clientContext, const binder::AttachOption& attachOption) {
+    if (dbName == "") {
+        dbName = dbPath;
+    }
+    auto connector = std::make_unique<UnityCatalogConnector>();
+    connector->connect(dbPath, dbName, UnityCatalogStorageExtension::DEFAULT_SCHEMA_NAME,
+        clientContext);
+    auto catalog = std::make_unique<duckdb_extension::DuckDBCatalog>(dbPath, dbPath,
+        UnityCatalogStorageExtension::DEFAULT_SCHEMA_NAME, clientContext, *connector, attachOption);
+    catalog->init();
+    return std::make_unique<duckdb_extension::AttachedDuckDBDatabase>(dbName,
+        UnityCatalogStorageExtension::DB_TYPE, std::move(catalog), std::move(connector));
+}
+
+UnityCatalogStorageExtension::UnityCatalogStorageExtension(main::Database* database)
+    : StorageExtension{attachUnityCatalog} {
+    extension::ExtensionUtils::addStandaloneTableFunc<duckdb_extension::ClearCacheFunction>(
+        *database);
+}
+
+bool UnityCatalogStorageExtension::canHandleDB(std::string dbType_) const {
+    common::StringUtils::toUpper(dbType_);
+    return dbType_ == DB_TYPE;
+}
+
+} // namespace unity_catalog_extension
+} // namespace kuzu
diff --git a/extension/unity_catalog/test/setup/create.bash b/extension/unity_catalog/test/setup/create.bash
new file mode 100755
index 00000000000..9b5b9e3f3e9
--- /dev/null
+++ b/extension/unity_catalog/test/setup/create.bash
@@ -0,0 +1,6 @@
+${1}/bin/uc table delete --full_name university.default.grades
+${1}/bin/uc table delete --full_name university.default.person
+${1}/bin/uc catalog create --name university
+${1}/bin/uc schema create --catalog university --name default
+${1}/bin/uc table create --full_name university.default.grades --columns "name string, pass boolean, math short, chinese int, english long, physics float, chemistry double" --format DELTA --storage_location "${2}/extension/unity_catalog/test/setup/tables/grades"
+${1}/bin/uc table create --full_name university.default.person --columns "name string, class byte, birthtime timestamp, info binary" --format DELTA --storage_location "${2}/extension/unity_catalog/test/setup/tables/person"
diff --git a/extension/unity_catalog/test/setup/tables/grades/.part-00000-1a881821-4b10-440c-b80a-56f28db08827-c000.snappy.parquet.crc b/extension/unity_catalog/test/setup/tables/grades/.part-00000-1a881821-4b10-440c-b80a-56f28db08827-c000.snappy.parquet.crc
new file mode 100644
index 00000000000..d654b4198d7
Binary files /dev/null and b/extension/unity_catalog/test/setup/tables/grades/.part-00000-1a881821-4b10-440c-b80a-56f28db08827-c000.snappy.parquet.crc differ
diff --git a/extension/unity_catalog/test/setup/tables/grades/.part-00000-2cf73f64-3a60-40b0-9b44-fbfea2dd4804-c000.snappy.parquet.crc b/extension/unity_catalog/test/setup/tables/grades/.part-00000-2cf73f64-3a60-40b0-9b44-fbfea2dd4804-c000.snappy.parquet.crc
new file mode 100644
index 00000000000..ae7997c77cb
Binary files /dev/null and b/extension/unity_catalog/test/setup/tables/grades/.part-00000-2cf73f64-3a60-40b0-9b44-fbfea2dd4804-c000.snappy.parquet.crc differ
diff --git a/extension/unity_catalog/test/setup/tables/grades/.part-00000-32af8482-113b-4786-a6f9-9e9db670a5d1-c000.snappy.parquet.crc b/extension/unity_catalog/test/setup/tables/grades/.part-00000-32af8482-113b-4786-a6f9-9e9db670a5d1-c000.snappy.parquet.crc
new file mode 100644
index 00000000000..83c10883f08
Binary files /dev/null and b/extension/unity_catalog/test/setup/tables/grades/.part-00000-32af8482-113b-4786-a6f9-9e9db670a5d1-c000.snappy.parquet.crc differ
diff --git a/extension/unity_catalog/test/setup/tables/grades/.part-00000-3d7b1143-211e-43a6-8d66-0173286933d6-c000.snappy.parquet.crc b/extension/unity_catalog/test/setup/tables/grades/.part-00000-3d7b1143-211e-43a6-8d66-0173286933d6-c000.snappy.parquet.crc
new file mode 100644
index 00000000000..990a1fcabd9
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new file mode 100644
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new file mode 100644
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@@ -0,0 +1,3 @@
+{"commitInfo":{"timestamp":1739376520529,"operation":"CREATE TABLE","operationParameters":{"partitionBy":"[]","clusterBy":"[]","description":null,"isManaged":"false","properties":"{}"},"isolationLevel":"Serializable","isBlindAppend":true,"operationMetrics":{},"engineInfo":"Apache-Spark/3.5.3 Delta-Lake/3.2.1","txnId":"0bf19bef-85ab-494a-828b-456a8ccb6ca0"}}
+{"metaData":{"id":"d8ffd89b-2dcf-4508-9101-2c2eeca66cb6","format":{"provider":"parquet","options":{}},"schemaString":"{\"type\":\"struct\",\"fields\":[{\"name\":\"name\",\"type\":\"string\",\"nullable\":true,\"metadata\":{}},{\"name\":\"class\",\"type\":\"byte\",\"nullable\":true,\"metadata\":{}},{\"name\":\"birthtime\",\"type\":\"timestamp\",\"nullable\":true,\"metadata\":{}},{\"name\":\"info\",\"type\":\"binary\",\"nullable\":true,\"metadata\":{}}]}","partitionColumns":[],"configuration":{},"createdTime":1739376520459}}
+{"protocol":{"minReaderVersion":1,"minWriterVersion":2}}
diff --git a/extension/unity_catalog/test/setup/tables/person/_delta_log/00000000000000000001.json b/extension/unity_catalog/test/setup/tables/person/_delta_log/00000000000000000001.json
new file mode 100644
index 00000000000..60aeedaef47
--- /dev/null
+++ b/extension/unity_catalog/test/setup/tables/person/_delta_log/00000000000000000001.json
@@ -0,0 +1,2 @@
+{"commitInfo":{"timestamp":1739376533400,"operation":"WRITE","operationParameters":{"mode":"Append","partitionBy":"[]"},"readVersion":0,"isolationLevel":"Serializable","isBlindAppend":true,"operationMetrics":{"numFiles":"1","numOutputRows":"1","numOutputBytes":"1216"},"engineInfo":"Apache-Spark/3.5.3 Delta-Lake/3.2.1","txnId":"f24945b1-d1de-44a9-a028-afcbd4e8406b"}}
+{"add":{"path":"part-00000-ba18ac4c-4224-4a57-b470-810ecce11744-c000.snappy.parquet","partitionValues":{},"size":1216,"modificationTime":1739376533364,"dataChange":true,"stats":"{\"numRecords\":1,\"minValues\":{\"name\":\"Ben\",\"class\":1,\"birthtime\":\"2025-02-11T08:20:11.000-05:00\"},\"maxValues\":{\"name\":\"Ben\",\"class\":1,\"birthtime\":\"2025-02-11T08:20:11.000-05:00\"},\"nullCount\":{\"name\":0,\"class\":0,\"birthtime\":0,\"info\":0}}"}}
diff --git a/extension/unity_catalog/test/setup/tables/person/_delta_log/00000000000000000002.json b/extension/unity_catalog/test/setup/tables/person/_delta_log/00000000000000000002.json
new file mode 100644
index 00000000000..3a49296a588
--- /dev/null
+++ b/extension/unity_catalog/test/setup/tables/person/_delta_log/00000000000000000002.json
@@ -0,0 +1,2 @@
+{"commitInfo":{"timestamp":1739376533862,"operation":"WRITE","operationParameters":{"mode":"Append","partitionBy":"[]"},"readVersion":1,"isolationLevel":"Serializable","isBlindAppend":true,"operationMetrics":{"numFiles":"1","numOutputRows":"1","numOutputBytes":"1222"},"engineInfo":"Apache-Spark/3.5.3 Delta-Lake/3.2.1","txnId":"1bd5386f-ad54-48e7-843c-64ee0c6d3348"}}
+{"add":{"path":"part-00000-5e72398b-f576-4e4b-a20c-ee39560c078c-c000.snappy.parquet","partitionValues":{},"size":1222,"modificationTime":1739376533854,"dataChange":true,"stats":"{\"numRecords\":1,\"minValues\":{\"name\":\"Cabin\",\"class\":3,\"birthtime\":\"2023-12-11T06:10:24.000-05:00\"},\"maxValues\":{\"name\":\"Cabin\",\"class\":3,\"birthtime\":\"2023-12-11T06:10:24.000-05:00\"},\"nullCount\":{\"name\":0,\"class\":0,\"birthtime\":0,\"info\":0}}"}}
diff --git a/extension/unity_catalog/test/setup/tables/person/_delta_log/00000000000000000003.json b/extension/unity_catalog/test/setup/tables/person/_delta_log/00000000000000000003.json
new file mode 100644
index 00000000000..ecdbd883c5c
--- /dev/null
+++ b/extension/unity_catalog/test/setup/tables/person/_delta_log/00000000000000000003.json
@@ -0,0 +1,2 @@
+{"commitInfo":{"timestamp":1739376535359,"operation":"WRITE","operationParameters":{"mode":"Append","partitionBy":"[]"},"readVersion":2,"isolationLevel":"Serializable","isBlindAppend":true,"operationMetrics":{"numFiles":"1","numOutputRows":"1","numOutputBytes":"1222"},"engineInfo":"Apache-Spark/3.5.3 Delta-Lake/3.2.1","txnId":"acbf8e3a-aa3a-4ba2-bf5e-dbf567425298"}}
+{"add":{"path":"part-00000-89006e91-5b67-4663-9ff6-cf5c6f626d56-c000.snappy.parquet","partitionValues":{},"size":1222,"modificationTime":1739376535354,"dataChange":true,"stats":"{\"numRecords\":1,\"minValues\":{\"name\":\"David\",\"class\":6,\"birthtime\":\"1988-09-11T07:20:12.000-04:00\"},\"maxValues\":{\"name\":\"David\",\"class\":6,\"birthtime\":\"1988-09-11T07:20:12.000-04:00\"},\"nullCount\":{\"name\":0,\"class\":0,\"birthtime\":0,\"info\":0}}"}}
diff --git a/extension/unity_catalog/test/setup/tables/person/part-00000-5e72398b-f576-4e4b-a20c-ee39560c078c-c000.snappy.parquet b/extension/unity_catalog/test/setup/tables/person/part-00000-5e72398b-f576-4e4b-a20c-ee39560c078c-c000.snappy.parquet
new file mode 100644
index 00000000000..9147d4651bc
Binary files /dev/null and b/extension/unity_catalog/test/setup/tables/person/part-00000-5e72398b-f576-4e4b-a20c-ee39560c078c-c000.snappy.parquet differ
diff --git a/extension/unity_catalog/test/setup/tables/person/part-00000-89006e91-5b67-4663-9ff6-cf5c6f626d56-c000.snappy.parquet b/extension/unity_catalog/test/setup/tables/person/part-00000-89006e91-5b67-4663-9ff6-cf5c6f626d56-c000.snappy.parquet
new file mode 100644
index 00000000000..1213121f5ef
Binary files /dev/null and b/extension/unity_catalog/test/setup/tables/person/part-00000-89006e91-5b67-4663-9ff6-cf5c6f626d56-c000.snappy.parquet differ
diff --git a/extension/unity_catalog/test/setup/tables/person/part-00000-ba18ac4c-4224-4a57-b470-810ecce11744-c000.snappy.parquet b/extension/unity_catalog/test/setup/tables/person/part-00000-ba18ac4c-4224-4a57-b470-810ecce11744-c000.snappy.parquet
new file mode 100644
index 00000000000..dc896061a26
Binary files /dev/null and b/extension/unity_catalog/test/setup/tables/person/part-00000-ba18ac4c-4224-4a57-b470-810ecce11744-c000.snappy.parquet differ
diff --git a/extension/unity_catalog/test/test_files/unity_catalog.test b/extension/unity_catalog/test/test_files/unity_catalog.test
new file mode 100644
index 00000000000..9b61120f694
--- /dev/null
+++ b/extension/unity_catalog/test/test_files/unity_catalog.test
@@ -0,0 +1,23 @@
+-DATASET CSV empty
+
+--
+
+-CASE ScanUnityCatalog
+-SKIP
+-STATEMENT load extension "${KUZU_ROOT_DIRECTORY}/extension/unity_catalog/build/libunity_catalog.kuzu_extension"
+---- ok
+-STATEMENT load extension "${KUZU_ROOT_DIRECTORY}/extension/unity_catalog/build/libunity_catalog.kuzu_extension"
+---- ok
+
+-LOG UniversityCatalogScan
+-STATEMENT ATTACH 'university' AS university (DBTYPE UC_CATALOG);
+---- ok
+-STATEMENT LOAD FROM university.grades RETURN *;
+---- 4
+Alice|True|5|100|120|50.700001|78.900000
+Bob|False|4|78|12|24.500000|68.700000
+Carol|True|2|99|41|31.000000|78.000000
+Dan|False|9|20|19|7.700000|9.200000
+# Duckdb has an issue when scanning this table, enable after duckdb fixes it.
+#-STATEMENT LOAD FROM university.person RETURN *;
+#---- 1
diff --git a/src/include/extension/extension.h b/src/include/extension/extension.h
index 062f1e6672f..59d4d828bb4 100644
--- a/src/include/extension/extension.h
+++ b/src/include/extension/extension.h
@@ -65,7 +65,7 @@ struct KUZU_API ExtensionUtils {
     static constexpr const char* EXTENSION_FILE_NAME = "lib{}.kuzu_extension";
 
     static constexpr const char* OFFICIAL_EXTENSION[] = {"HTTPFS", "POSTGRES", "DUCKDB", "JSON",
-        "SQLITE", "FTS", "DELTA", "ICEBERG"};
+        "SQLITE", "FTS", "DELTA", "ICEBERG", "UNITY_CATALOG"};
 
     static constexpr const char* EXTENSION_LOADER_SUFFIX = "_loader";