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The *LOWEST* Possible Cost For a Query

May 24, 2020August 13, 2020 Kaley Crum

Quick: If you had to pick the least-expensive-cost query you could think of, what would that query look like? …(hums Jeopardy theme)…. Ding! Time’s up!! Most people respond with something “select from a one-block table.” Let’s give it a shot:… Read More

Database Objects, Explain Plans, Hash Clusters, Oracle, Tuning/EfficiencyLeave a comment

Are Single-Table Hash Clusters USELESS?!?

April 20, 2020August 13, 2020 Kaley Crum

I remember being at an Oracle conference a few years ago, and I attended a session that was related to SQL Tuning. One of the things that was discussed in this lecture was Oracle Single Table Hash Clusters, and I… Read More

Database Objects, Hash Clusters, Oracle, Tuning/Efficiencyhash clusters, oracle, single table, single table hash clusterLeave a comment

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