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alberto.dellera

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feedpage“ASH math” of time_waited explained with pictures and simulation alberto.dellera028 weeks 3 days ago
feedpageFast refresh of aggregate-only materialized views with SUM – algorithm alberto.dellera01 year 45 weeks ago
feedpageOLTP compression: migrated rows are compressed alberto.dellera01 year 45 weeks ago
feedpageFast refresh of aggregate-only materialized views with MAX – algorithm alberto.dellera01 year 45 weeks ago
feedpagefast refresh of outer-join-only materialized views – algorithm, part 1 alberto.dellera01 year 45 weeks ago
feedpagefast refresh of outer-join-only materialized views – algorithm, part 2 alberto.dellera01 year 45 weeks ago
feedpage“alter session force parallel query”, and indexes alberto.dellera01 year 45 weeks ago
feedpagerefresh “fast” of materialized views optimized by Oracle as “complete” alberto.dellera01 year 45 weeks ago
feedpageFast refresh of aggregate-only materialized views – introduction alberto.dellera01 year 45 weeks ago
feedpageoverlapping ranges with priority alberto.dellera01 year 45 weeks ago
feedpageXplan: now with “self” measures for row source operations alberto.dellera02 years 11 weeks ago
feedpageThird International NoCOUG SQL & NoSQL Challenge! alberto.dellera05 years 2 weeks ago
feedpageTom Kyte in Italia – 5 Aprile 2011 alberto.dellera05 years 2 weeks ago
feedpageXtrace: an Oracle session trace browser – exec flow alberto.dellera05 years 2 weeks ago
feedpageXtrace: an Oracle session trace browser (introduction) alberto.dellera05 years 8 weeks ago
feedpageAn improved OakTable web site alberto.dellera05 years 8 weeks ago
feedpagefast refresh of join-only MVs: _mv_refresh_use_stats and locking log stats alberto.dellera05 years 11 weeks ago
feedpagexplan: dbms_metadata.get_ddl for tables referenced by the plan alberto.dellera05 years 22 weeks ago
feedpagetweet … alberto.dellera05 years 39 weeks ago
feedpage11gR2: new algorithm for fast refresh of on-commit materialized views alberto.dellera05 years 42 weeks ago
feedpage11gR2: materialized view logs changes alberto.dellera05 years 49 weeks ago
feedpageCBO: NewDensity for Frequency Histograms,11g-10.2.0.4 (densities part IV) alberto.dellera06 years 30 weeks ago
FeedAlberto Dell'Era's Oracle blog alberto.dellera07 years 8 weeks ago