我在XMLTYPE列中存储了一个XML,其中包含加密的元素,我需要通过连接到其他表将其替换为解密的值。
-- Sample XML
<Root_Element xmlns="http://euroconsumers.org/notifications/2019/01/notification">
<DocID>ABCD1234</DocID>
<InsertDate>2019-03-01</InsertDate>
<TimeSeries>
<Received_DocID>123456</Received_DocID>
<Encrypted_ProviderID>PROV001</Encrypted_ProviderID>
<Point>
<Encrypted_BidID>BD001</Encrypted_BidID>
<Amount>1.63</Amount>
</Point>
</TimeSeries>
<TimeSeries>
<Received_DocID>123456</Received_DocID>
<Encrypted_ProviderID>PROV001</Encrypted_ProviderID>
<Point>
<Encrypted_BidID>BD002</Encrypted_BidID>
<Amount>1.63</Amount>
</Point>
</TimeSeries>
<TimeSeries>
<Received_DocID>987654</Received_DocID>
<Encrypted_ProviderID>PROV002</Encrypted_ProviderID>
<Point>
<Encrypted_BidID>BD101</Encrypted_BidID>
<Amount>1.85</Amount>
</Point>
</TimeSeries>
</Root_Element>
-- PROVIDERS table
ProviderID Encrypted_ProviderID
PROVEU PROV001
PROVUK PROV002
-- BIDS table
Received_DocID BidID Encrypted_BidID
123456 1111 BD001
123456 2222 BD002
987654 3333 BD101
-- Expected output
<Root_Element xmlns="http://euroconsumers.org/notifications/2019/01/notification">
<DocID>ABCD1234</DocID>
<InsertDate>2019-03-01</InsertDate>
<TimeSeries>
<Received_DocID>123456</Received_DocID>
<Encrypted_ProviderID>PROVEU</Encrypted_ProviderID>
<Point>
<Encrypted_BidID>111</Encrypted_BidID>
<Amount>1.63</Amount>
</Point>
</TimeSeries>
<TimeSeries>
<Received_DocID>123456</Received_DocID>
<Encrypted_ProviderID>PROVEU</Encrypted_ProviderID>
<Point>
<Encrypted_BidID>2222</Encrypted_BidID>
<Amount>1.63</Amount>
</Point>
</TimeSeries>
<TimeSeries>
<Received_DocID>987654</Received_DocID>
<Encrypted_ProviderID>PROVUK</Encrypted_ProviderID>
<Point>
<Encrypted_BidID>3333</Encrypted_BidID>
<Amount>1.85</Amount>
</Point>
</TimeSeries>
</Root_Element>
该标记将在XML中重复大约1000次,因此更新必须快速且尽可能在一条语句中进行。
使用XMLQuery可以轻松便捷地做到这一点吗?
数据库为Oracle 11.2.0.3