如何使这个MySql查询适应PervasiveSql

Question

如何将以下更新查询从 MySql 调整到 PervasiveSql？

UPDATE Rx_Annotations 
INNER JOIN User_Master
    ON Usr_Username = Rxa_Usr_Id_Added 
SET Rxa_Usr_Id_Added = Usr_Id 
WHERE Rxa_Usr_Id_Added = 'WEB'

Answer 1

UPDATE Rx_annotations
SET Rxa_Usr_Id_Added = User_Master.Usr_Id
FROM Rx_Annotations 
     INNER JOIN User_Master ON User_Master.Usr_Username = Rx_annotations.Rxa_Usr_Id_Added 
WHERE Rx_Annotations.Rxa_Usr_Id_Added = 'WEB'