docs: update rollback data hints (#508)

Author: rebelice

content/docs/change-database/rollback-data-changes.md

@@ -20,7 +20,7 @@ You can manually delete the data in `bbdataarchive` database/schema.
 | ---------- | ------------------------------------------------------------------------------------- | ------------ | ---------------- |
 | MySQL      | Create a `bbdataarchive` **database** on the instance where your database is located. | ✅           | ✅               |
 | PostgreSQL | Create a `bbdataarchive` **schema** on the database.                                  | ✅           | ✅               |
-| Oracle     | Create a `bbdataarchive` **database** on the instance where your database is located. | ✅           | ❌               |
+| Oracle     | Create a `bbdataarchive` **database** on the instance where your database is located. | ✅           | ✅               |
 | SQL Server | Create a `bbdataarchive` **database** on the instance where your database is located. | ✅           | ✅               |
 
 ## Supported Operations
@@ -31,7 +31,7 @@ We are working on enabling backup and 1-click rollback for more SQL statements.
 
 <HintBlock type="info">
 
-Applicable to `MySQL`, `Oracle(Prior backup only)`.
+Applicable to `MySQL`, `Oracle`.
 
 </HintBlock>
 
@@ -45,7 +45,7 @@ Prior backup is feasible when meeting **all** of the following conditions:
 
 1-click rollback is feasible when meeting **all** of the following conditions:
 
-- The changed table has primary key.
+- For `UPDATE`, the changed table has primary key and primary key columns are not updated.
 
 ### Classic experience
 
@@ -61,6 +61,10 @@ Prior backup is feasible when meeting **all** of the following conditions:
 - No more than 5 statements and every statement is either `UPDATE` or `DELETE`, or all statements are `UPDATE` for the same table with `PRIMARY KEY` or `UNIQUE KEY` in `WHERE` clause.
 - No mixed DDL/DML.
 
+1-click rollback is feasible when meeting **all** of the following conditions:
+
+- For `UPDATE`, the changed table has primary key and the primary key columns are not updated.
+
 ## Create backup
 
 You can toggle **Prior Backup** switch before or after creating the issue.