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 savvinov.com
Reading SQL plans - Oracle Diagnostician
| | rwijk.blogspot.com
About Oracle: Filter predicates with NVL on mandatory columns using the index
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| | www.dbaglobe.com
Donghua's Blog - DBAGlobe: Performance Tuning using Windowing Aggregate Functions to avoid table self-join
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| | A blog about on new technologie. Hands-on note about Hadoop, Cloudera, Hortonworks, NoSQL, Cassandra, Neo4j, MongoDB, Oracle, SQL Server, Linux, etc.
| | kerryosborne.oracle-guy.com
Kerry Osborne's Oracle Blog » Blog Archive » How to Attach a SQL Profile to a Different Statement
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| | [AI summary] The article discusses techniques for using SQL Profiles to influence query optimization in Oracle databases, building on previous methods like outline switching.
| | blog.sqlora.com
Fix Optimizer Estimate Issues from Implicit Conversions #JoelKallmanDay
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| Learn how implicit RAW-to-VARCHAR2 conversions in Oracle break histograms, hurt optimizer estimates, and how to fix them safely.