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 sqlmaria.com
How to use DBMS_STATS DIFF_TABLE_STATS functions
| | mikedietrichde.com
Workshops in May 2024 in Copenhagen, Stockholm and Frankfurt
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| | Come and meet us at our Upcoming In-Person Workshops in May 2024 in Copenhagen, Stockholm and Frankfurt - Upgrade / Migration / Patching
| | alexzeng.wordpress.com
# Expert Oracle Practices # PL/SQL and the CBO | Alex Zeng's Blog
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| | I am reading Expert Oracle Practices by Oracle Database Administration from the Oak Table. I'd like to summary and share what I learned. This chapter PL/SQL and the CBO by Jo?e Senega?nik is pretty interesting. It tells how to use oracle extensible optimizer to set the selectivity and the cost of PL/SQL functions. This will...
| | jonathanlewis.wordpress.com
Extended Stats | Oracle Scratchpad
5.2 parsecs away

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| | After my Masterclass on indexes at the UKOUG Tech2016 conference this morning I got into a conversation about creating extended stats on a table. I had pointed out in the masterclass that each time you dropped an index you really ought to be prepared to create a set of extended stats (specifically a column group)...
| | www.dbaglobe.com
Donghua's Blog - DBAGlobe: Using "nonunique index to enforce uniqueness" is a good way?
13.5 parsecs away

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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.