In the database on table row operation, what does the watermark column enable the on table row operation to do?
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In the 'database on table row operation', the 'watermark column' enables the on table row operation to avoid duplicate processing of the records in a database and to get new resources instead of getting the same resource over and over again.
Explanation:
- The data present in the database can be theft and can be duplicated easily by the DoS, DDoS attacks.
- Even SQL Injection techniques, using the codes written in SQL, PHP, Python as well.
- To overcome this problem they will provide security to the databases and servers.
- They will also add the watermarks to the data present in the databases because there is a high potential risk to break the security and intrude into the databases and servers.
- So, by providing a watermark they can at least avoid the duplication of the data and useful to to recover new data from the data base.
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