April 1999
Intermediate to advanced
552 pages
15h 39m
English
Content preview from Oracle Distributed SystemsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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latent.sql
--------------------------------------------------------------------------- -- Filename: latent.sql -- Purpose: Lists outstanding transactions by destination. -- Author: Chas. Dye (cdye@excitecorp.com) -- Date: 09-Jul-1996 --------------------------------------------------------------------------- col dblink heading "Destination" format a16 col earliest heading "Least Recently|Queued Transaction" format a20 col latest heading "Most Recently|Queued Transaction" format a20 col out heading "Total|Txns|Queued" format 999,999 col timenow heading "Current|Time" format a8 col latency heading "Maximum|Latency|dd:hh:mi:ss" format a12 clear breaks clear computes set head off set feedback off select 'Propagation Latency Instance: '||name||'. Time: ' || to_char(sysdate, 'DD-Mon-YY HH24:mi:ss') from v$database / set head on set feedback on compute sum of out on report break on report skip 1 SELECT d.dblink, min(t.start_time) earliest, max(t.start_time) latest, count(*) out, ltrim(to_char(trunc( sysdate - ( min(start_time)) ), '09')) || ':' || ltrim(to_char(trunc(24*((sysdate-min(start_time)) - trunc(sysdate-min(start_time)))), '09'))||':' || ltrim(to_char(mod(trunc(1440*((sysdate-min(start_time)) - trunc(sysdate-min(start_time)))), 60), '09')) ||':' || ltrim(to_char(mod(trunc(86400*((sysdate-min(start_time)) - trunc(sysdate-min(start_time)))), 60), '09')) latency FROM deftrandest d, deftran t WHERE d.deferred_tran_id = t.deferred_tran_id AND d.delivery_order = t.delivery_order GROUP ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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