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antognini.ch | ||
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chandlerdba.com
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| | | | | Photo by Brian Patrick Tagalog on Unsplash July 2024. Oracle 19c, 23ai There are 3 main types of SQL Plan Management: SQL Profile SQL Plan Baseline SQL Patch So first some quick background info about the 3 options and then I'll tell you about my mistake. SQL Profile A SQL Profile is a collections of... | |
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dincosman.com
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| | | | | The performance issue with an SQL query was resolved by using the /*+ PARALLEL(2) */ hint, reducing execution time from 180-200 seconds to milliseconds. The decision to perform a direct read from disk to memory instead of reading blocks from disk was made by the database engine and is controlled by the hidden "_serial_direct_read" parameter.... | |
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dioncho.wordpress.com
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| | | | | One of the customers complained that Oracle refuses to use the HASH GROUP BY operation under any circumstances. It's 10gR2(10.2.0.1) database. See that Oracle simply refuses to use HASH GROUP BY operation even with the simplest group by? You might think that the "_gby_hash_aggregation_enabled" would have been false which is clearly right. But even with... | |
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tonybaloney.github.io
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| | | [AI summary] This blog post discusses the Pyjion project, which integrates the .NET 5 JIT compiler into Python 3.9 to enhance performance by compiling Python code into native machine code at runtime. | ||
