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alberto.dellera

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feedpage“ASH math” of time_waited explained with pictures and simulation alberto.dellera02 years 24 weeks ago
feedpage“alter session force parallel query”, and indexes alberto.dellera03 years 41 weeks ago
feedpagerefresh “fast” of materialized views optimized by Oracle as “complete” alberto.dellera03 years 41 weeks ago
feedpageFast refresh of aggregate-only materialized views – introduction alberto.dellera03 years 41 weeks ago
feedpageoverlapping ranges with priority alberto.dellera03 years 41 weeks ago
feedpageFast refresh of aggregate-only materialized views with SUM – algorithm alberto.dellera03 years 41 weeks ago
feedpageOLTP compression: migrated rows are compressed alberto.dellera03 years 41 weeks ago
feedpageFast refresh of aggregate-only materialized views with MAX – algorithm alberto.dellera03 years 41 weeks ago
feedpagefast refresh of outer-join-only materialized views – algorithm, part 1 alberto.dellera03 years 41 weeks ago
feedpagefast refresh of outer-join-only materialized views – algorithm, part 2 alberto.dellera03 years 41 weeks ago
feedpageXplan: now with “self” measures for row source operations alberto.dellera04 years 7 weeks ago
feedpageXtrace: an Oracle session trace browser – exec flow alberto.dellera06 years 50 weeks ago
feedpageThird International NoCOUG SQL & NoSQL Challenge! alberto.dellera06 years 50 weeks ago
feedpageTom Kyte in Italia – 5 Aprile 2011 alberto.dellera06 years 50 weeks ago
feedpageAn improved OakTable web site alberto.dellera07 years 4 weeks ago
feedpageXtrace: an Oracle session trace browser (introduction) alberto.dellera07 years 4 weeks ago
feedpagefast refresh of join-only MVs: _mv_refresh_use_stats and locking log stats alberto.dellera07 years 7 weeks ago
feedpagexplan: dbms_metadata.get_ddl for tables referenced by the plan alberto.dellera07 years 17 weeks ago
feedpagetweet … alberto.dellera07 years 35 weeks ago
feedpage11gR2: new algorithm for fast refresh of on-commit materialized views alberto.dellera07 years 38 weeks ago
feedpage11gR2: materialized view logs changes alberto.dellera07 years 44 weeks ago
feedpageCBO: NewDensity for Frequency Histograms,11g-10.2.0.4 (densities part IV) alberto.dellera08 years 26 weeks ago
FeedAlberto Dell'Era's Oracle blog alberto.dellera09 years 3 weeks ago