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alberto.dellera

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feedpage“ASH math” of time_waited explained with pictures and simulation alberto.dellera041 weeks 1 day ago
feedpageFast refresh of aggregate-only materialized views with MAX – algorithm alberto.dellera02 years 6 weeks ago
feedpagefast refresh of outer-join-only materialized views – algorithm, part 1 alberto.dellera02 years 6 weeks ago
feedpagefast refresh of outer-join-only materialized views – algorithm, part 2 alberto.dellera02 years 6 weeks ago
feedpage“alter session force parallel query”, and indexes alberto.dellera02 years 6 weeks ago
feedpagerefresh “fast” of materialized views optimized by Oracle as “complete” alberto.dellera02 years 6 weeks ago
feedpageFast refresh of aggregate-only materialized views – introduction alberto.dellera02 years 6 weeks ago
feedpageoverlapping ranges with priority alberto.dellera02 years 6 weeks ago
feedpageFast refresh of aggregate-only materialized views with SUM – algorithm alberto.dellera02 years 6 weeks ago
feedpageOLTP compression: migrated rows are compressed alberto.dellera02 years 6 weeks ago
feedpageXplan: now with “self” measures for row source operations alberto.dellera02 years 24 weeks ago
feedpageThird International NoCOUG SQL & NoSQL Challenge! alberto.dellera05 years 15 weeks ago
feedpageTom Kyte in Italia – 5 Aprile 2011 alberto.dellera05 years 15 weeks ago
feedpageXtrace: an Oracle session trace browser – exec flow alberto.dellera05 years 15 weeks ago
feedpageAn improved OakTable web site alberto.dellera05 years 21 weeks ago
feedpageXtrace: an Oracle session trace browser (introduction) alberto.dellera05 years 21 weeks ago
feedpagefast refresh of join-only MVs: _mv_refresh_use_stats and locking log stats alberto.dellera05 years 24 weeks ago
feedpagexplan: dbms_metadata.get_ddl for tables referenced by the plan alberto.dellera05 years 34 weeks ago
feedpagetweet … alberto.dellera06 years 2 days ago
feedpage11gR2: new algorithm for fast refresh of on-commit materialized views alberto.dellera06 years 3 weeks ago
feedpage11gR2: materialized view logs changes alberto.dellera06 years 9 weeks ago
feedpageCBO: NewDensity for Frequency Histograms,11g-10.2.0.4 (densities part IV) alberto.dellera06 years 43 weeks ago
FeedAlberto Dell'Era's Oracle blog alberto.dellera07 years 20 weeks ago