Recently, there was an issue after a node was added to an existing Windows RAC cluster. After everything was set up, the local listener was not listening to the IP address (192.168.0.37) corresponding to the node’s hostname. Oracle version was 126.96.36.199. The listener.ora was configured properly with the following line: LISTENER=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER)))) # line added by…
As we all know proper use of bind variables in SQL statements is a must to make transaction processing applications scalable. So how do we find the queries that don’t use bind variables and have to be parsed each time they are executed? There is number of ways, but this article is all about the most effective way I know. If you have a better one – let me know please!
The method of disabling triggers requires Oracle 188.8.131.52+ or 10.2.0.5+, plus execute permissions on sys.dbms_xstream_gg. Since it’s a call to an XStream package, it may also require a XStream license. So if I haven’t scared you away yet, here’s a quick testcase: