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kerryosborne.oracle-guy.com | ||
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danischnider.wordpress.com
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| | | | | Oracle Autonomous Data Warehouse Cloud does not allow to create indexes. Is this a problem for star schemas because no Star Transformation can be used? Or are the required bitmap indexes automatically created? A look under the hood of ADWC.A typical recommendation for star schemas in an Oracle database is to create a bitmap index... | |
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weidongzhou.wordpress.com
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| | | | | Recently we run into an interesting performance issue at one of our clients. They reported significant slow down in the system during the day time for some time. Their X2 Exadata does not host many databases, with three production databases and a few test/QA databases. Out of the three production databases, let me give a... | |
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nenadnoveljic.com
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| | | | | A frequently executed SQL causes problems with the initial incremental statistics calculation. | |
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sqlmaria.com
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| | | In a recent chat with Connor McDonald, we discussed if it is realistic to have applications that don't contain Optimizer hints. Ideally, the answer to this question is "yes", you don't need hints i... | ||
