diff --git a/zh-cn/application-dev/database/database-relational-guidelines.md b/zh-cn/application-dev/database/database-relational-guidelines.md
index ad2d787866c3724c6c67025a2040f8f4a381dc3a..82ec6be969864f9cc95754fe398df8b3486b3a6c 100644
--- a/zh-cn/application-dev/database/database-relational-guidelines.md
+++ b/zh-cn/application-dev/database/database-relational-guidelines.md
@@ -306,3 +306,7 @@
     let tableName = rdbStore.obtainDistributedTableName(deviceId, "test");
     let resultSet = rdbStore.querySql("SELECT * FROM " + tableName)
     ```
+## 相关实例
+针对关系型数据库开发，有以下相关实例可供参考：
+- [`Rdb`：关系型数据库（eTS）（API8）](https://gitee.com/openharmony/app_samples/blob/master/data/Rdb)
+- [关系型数据库](https://gitee.com/openharmony/codelabs/tree/master/Data/JSRelationshipData)
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