advanced tech

Oracle DGHA architecture

November 1, 2013 advanced tech, Architect, network, oracle, replication No comments


Download this PDF[……]

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how to study oracle and some useful habits

July 4, 2013 advanced tech, oracle No comments

最近做的一次内部交流文档[……]

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Optimizer in Oracle 11g by wwf.

April 11, 2013 11g, advanced tech, oracle No comments

By wwf from ebay COC about Optimizer in Oracle 11g.

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Using TUNE_MVIEW and EXPLAIN_REWRITE to enable us to tune MV Fast Refreshes and Query Rewrites

October 17, 2011 advanced tech, oracle 7 comments

We can use the DBMS_MVIEW.EXPLAIN_REWRITE package (which was first introduced in Oracle 9i if memory serves me right) to diagnose why Query redirectio[……]

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