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Oracle Sql Tricks And Workarounds Zahar Hilkevich
Publisher: AuthorHouse

Create user-defined aggregate function; use undocumented function WM_CONCAT; use some "exotic" ways based on Oracle SQL features. Direct read issues: There Unless you like surprises, it's an Oracle best practice to "freeze" SQL execution plans with SQL profiles or Stored Outlines, and gradually introduce your SQL to the new optimizer. As workaround Tom Kyte advices to use sys_context, search here by 'sys_context'. In Oracle 11R2 LISTAGG function was introduced. Oracle Sql Tricks And Workarounds download. Oracle sum for strings varchar listagg stragg wm_concat string aggregation. Oracle Sql Tricks And Workarounds by Zahar Hilkevich. Workaround is to set set "_optimizer_group_by_placement"=FALSE. We are expert at Oracle10g performance problems and we know many tricks that are not published by Oracle for achieving optimal tuning. WM_CONCAT function Another Oracle SQL tricks to get SUM for strings. Uncategorized · Oracle Sql Tricks And Workarounds pdf download.