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Monthly Archives: April 2021

v$blog #funny #friday

Posted on April 25, 2021 by Sayan Malakshinov Posted in curious, Funny, oracle 1,810 Page views Leave a comment
select title, short_url 
from v$blog 
where pubDate>=systimestamp - interval '5' month;
with v$blog as (
    select  
        title
       ,to_timestamp_tz(pubDate,'DY, dd mon yyyy hh24:mi:ss TZR') pubDate
       ,short_url
       ,description
    from xmltable(
            '/rss/channel/item'
            passing
                xmltype(httpuritype('https://orasql.org/feed/').getclob())
            columns
                 title       varchar2(70)  path 'title'
                ,pubDate     varchar2(40)   path 'pubDate'
                ,url         varchar2(128)  path 'link'
                ,short_url   varchar2(50)   path 'guid'
                ,description varchar2(500)  path 'fn:substring(./description,1,500)'
    ) 
)
select title, short_url from v$blog where pubDate>=systimestamp - interval '5' month;
funny HTTP HTTPS httpuritype

Triaging Smart Scan

Posted on April 8, 2021 by Roger MacNicol Posted in adaptive serial direct path reads, cell_offload, oracle, SmartScan, trace 2,705 Page views Leave a comment

This document is my attempt to bring together the available options that can be used to determine the root cause of an issue in order to create a roadmap to help support engineers narrow down the cause of concern.

It is a living document and will be edited and amended as time goes by. Please do check back again in the future.

Warning: these parameters should only be used in conjunction with an Oracle Support Engineer and are not intended for DBAs to self-triage; also they should not be left set after triage without discussion with an Oracle Support Engineer.

Continue reading→
Cell Offloading direct path reads oracle Roger MacNicol SmartScan traces
photo Sayan Malakshinov

Oracle ACE Pro Oracle ACE Pro Alumni

DEVVYOracle Database Developer Choice Award winner

Oracle performance tuning expert

UK / Cambridge

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