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kerryosborne.oracle-guy.com | ||
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jonathanlewis.wordpress.com
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| | | | | [More on dbms_xplan.display_cursor()] If you're using 9i and haven't learned about the dbms_xplan package, then you should take a good look atit right away. It's(usually) a much better wayof getting execution plans from your system thanwriting yourown queries against the plan_table. If you'vebeen using dbms_xplan, and upgraded from 9i to 10g, make sure that you... | |
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www.dbi-services.com
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| | | | | Thanks to a multitenant container database, it allows to manage many databases as one taking advantage of resources consolidation. A perfect way to manage several applications in a single container. However are these plugglable databases that isolated as expected? Not exactly: As I will show in this posting, a single PDB can, under certain conditions, generate a complete system outage! | |
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savvinov.com
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| | | | | In this post, I continue on the topic of examining SQL plans. I will talk about one DBMS_XPLAN function, DISPLAY_CURSOR (because it's probably the most useful one when troubleshooting ongoing performance issues, and also because other functions have a lot of similiarity to it). I will discuss frequently used options and some common problems. Preparation... | |
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connor-mcdonald.com
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| | | One of the cool features in Oracle AI Database 26ai is the ability for sessions to have different levels of priority for their transaction locks. I've covered how the feature works in the video below In a nutshell, a session can nominate whether their locking priority is LOW, MEDIUM or HIGH. When a session tries... | ||
