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Month: December 2018

Backing up in Oracle via data pump

19. December 201814. February 2019 tom

Oracle has several possibilities to back up the data. One possibility is backing up via data pump. This facility can be used by the command line. Let us discuss three […]

 nice to know

Oracle only listens to localhost

14. December 201814. February 2019 tom

It happens to me quite often. I install Oracle and it only listens to the localhost. In a few steps, one can get it to listen to the IP address […]

 nice to know

Encryption in Oracle

9. December 201814. February 2019 tom

Oracle has a nice facility to store data in an encrypted form. This allows to hide data content from users while still allowing them to see the columns. If one […]

 nice to know

Masking in Oracle

7. December 20187. December 2018 tom

Oracle has recently introduced masking as one of the facilities. Masking allows data to be hidden from users / or only display part of the content. Other users can still […]

 nice to know

Variables in Oracle

4. December 201814. February 2019 tom

The question is simple: we have an Oracle query and we want to use one search criterium as a parameter. Let us take a simple example. We want to use […]

 nice to know

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