diff --git a/api/@ohos.data.rdb.d.ts b/api/@ohos.data.rdb.d.ts
index ebb6a1bc906d35a52defc3a547310bbe39fb1477..b0b92f6f1428ea847824683daa3c7c89e90031fc 100644
--- a/api/@ohos.data.rdb.d.ts
+++ b/api/@ohos.data.rdb.d.ts
@@ -237,6 +237,26 @@ declare namespace rdb {
          */
         rollBack():void;
 
+        /**
+         * Backs up a database in a specified name.
+         *
+         * @since 9
+         * @syscap SystemCapability.DistributedDataManager.RelationalStore.Core
+         * @param destName Indicates the name that saves the database backup.
+         */
+        backup(destName:string, callback: AsyncCallback<void>):void;
+        backup(destName:string): Promise<void>;
+
+        /**
+         * Restores a database from a specified database file.
+         *
+         * @since 9
+         * @syscap SystemCapability.DistributedDataManager.RelationalStore.Core
+         * @param srcName Indicates the name that saves the database file.
+         */
+        restore(srcName:string, callback: AsyncCallback<void>):void;
+        restore(srcName:string): Promise<void>;
+
         /**
          * Set table to be distributed table.
          *