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hoopercharles.wordpress.com
| | oracle-randolf.blogspot.com
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| | When attempting to display only the first n rows of a result set that is ordered the Oracle optimizer offers special optimizations for these...
| | jonathanlewis.wordpress.com
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| | A recent thread on the OTN database forum asks the question: "... since redo also has past and current information why can't redo logs be used to retrieve that information? Why is undo required when redo already has all that information." The thread has generated some interesting replies - but to a large extent they...
| | timurakhmadeev.wordpress.com
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| | 90% databases that I see for the first time have the same issue with UNDO tablespace: it's over sized, yet still causing infamous ORA-1555 errors at times. Here is why. UNDO is over-sized because of a dumb monitoring which treats UNDO tablespace in the same way as normal datafiles, i.e. the monitoring suggests to have...
| | mherman.org
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| This tutorial looks at how to implement an API with Node, gRPC, and Postgres.