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tonyhasler.wordpress.com
| | alexzeng.wordpress.com
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| | Outline is the oldest way to fix SQL plan. It based on hints like use_nl etc. It's a road map. It still can be used in 11.2 although oracle said it's deprecated. Finally, it is free. SQL profile is trying to impact CBO by adding cost estimation hints. You need pay extra money to use...
| | hourim.wordpress.com
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| | The last Jonathan Lewis post on RAC Planswhich finished by the following phrases: "If you're going to hard-code hints into a query then take a look at the outline it generates when it does the right thing, and that will tell you about the 15 or so hints you've missed out. (Better still, consider generating...
| | jonathanlewis.wordpress.com
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| | In response to a recent lamentation from Richard Foote about the degree of ignorance regarding the clustering_factor of indexes I commented on the similar degree of ignorance regarding the syntax of a specific hint, namely use_nl(a b), pointing out that this does not mean "do a nested loop from a to b". My comment was...
| | chandlerdba.com
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| October 2024 - Oracle 19C, 23ai Photo by Julius Drost on Unsplash So a while ago I spoke about passwords but forgot to mention a key element of account control in the blog. I was giving a talk on Security a few days ago and told an audience member that this information was in my...