diff --git a/en/device-dev/subsystems/subsys-data-relational-database-guide.md b/en/device-dev/subsystems/subsys-data-relational-database-guide.md
index 44a0b1829249264fb99aff7cf998dd6a4de43b38..d668fc922079dfa5b38633d6c7a9c65a88351942 100644
--- a/en/device-dev/subsystems/subsys-data-relational-database-guide.md
+++ b/en/device-dev/subsystems/subsys-data-relational-database-guide.md
@@ -68,7 +68,7 @@ The RDB provides APIs for inserting, deleting, updating, and querying data in th
Table 5 API for deleting data
| Class| API| Description|
| ---- | ---- | ---- |
- | RdbStore | int Delete(int &deletedRows, const AbsRdbPredicates &predicates) | Deletes data.
- **deletedRows**: specifies the number of rows to delete.
- **predicates**: specifies the table name and conditions for deleting the data. **AbsRdbPredicates** has the following classes:
- **RdbPredicates**: specifies update conditions by calling its methods, such as **equalTo**.
- **RawRdbPredicates**: specifies the table name, **whereClause** and **whereArgs** only.
|
+ | RdbStore | int Delete(int &deletedRows, const AbsRdbPredicates &predicates) | Deletes data. - **deletedRows**: specifies the number of rows to delete.
- **predicates**: specifies the table name and conditions for deleting the data. **AbsRdbPredicates** has the following classes:
- **RdbPredicates**: specifies delete conditions by calling its methods, such as **equalTo**.
- **RawRdbPredicates**: specifies the table name, **whereClause** and **whereArgs** only.
|
- Updating data