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alberto.dellera

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feedpage“ASH math” of time_waited explained with pictures and simulation alberto.dellera01 year 1 week ago
feedpageFast refresh of aggregate-only materialized views with MAX – algorithm alberto.dellera02 years 18 weeks ago
feedpagefast refresh of outer-join-only materialized views – algorithm, part 1 alberto.dellera02 years 18 weeks ago
feedpagefast refresh of outer-join-only materialized views – algorithm, part 2 alberto.dellera02 years 18 weeks ago
feedpage“alter session force parallel query”, and indexes alberto.dellera02 years 18 weeks ago
feedpagerefresh “fast” of materialized views optimized by Oracle as “complete” alberto.dellera02 years 18 weeks ago
feedpageFast refresh of aggregate-only materialized views – introduction alberto.dellera02 years 18 weeks ago
feedpageoverlapping ranges with priority alberto.dellera02 years 18 weeks ago
feedpageFast refresh of aggregate-only materialized views with SUM – algorithm alberto.dellera02 years 18 weeks ago
feedpageOLTP compression: migrated rows are compressed alberto.dellera02 years 18 weeks ago
feedpageXplan: now with “self” measures for row source operations alberto.dellera02 years 36 weeks ago
feedpageThird International NoCOUG SQL & NoSQL Challenge! alberto.dellera05 years 27 weeks ago
feedpageTom Kyte in Italia – 5 Aprile 2011 alberto.dellera05 years 27 weeks ago
feedpageXtrace: an Oracle session trace browser – exec flow alberto.dellera05 years 27 weeks ago
feedpageAn improved OakTable web site alberto.dellera05 years 33 weeks ago
feedpageXtrace: an Oracle session trace browser (introduction) alberto.dellera05 years 33 weeks ago
feedpagefast refresh of join-only MVs: _mv_refresh_use_stats and locking log stats alberto.dellera05 years 36 weeks ago
feedpagexplan: dbms_metadata.get_ddl for tables referenced by the plan alberto.dellera05 years 46 weeks ago
feedpagetweet … alberto.dellera06 years 12 weeks ago
feedpage11gR2: new algorithm for fast refresh of on-commit materialized views alberto.dellera06 years 15 weeks ago
feedpage11gR2: materialized view logs changes alberto.dellera06 years 21 weeks ago
feedpageCBO: NewDensity for Frequency Histograms,11g-10.2.0.4 (densities part IV) alberto.dellera07 years 3 weeks ago
FeedAlberto Dell'Era's Oracle blog alberto.dellera07 years 33 weeks ago