Since we are still on SQL Server 2005 (going to 2008 R2 in the next six months), we don’t currently have the performance repository that 2008 does. As such, we recently added a job to record CPU utilization for later…
Category: Database
GoldenGate progress monitoring script
As noted in earlier posts, we are in the midst of building out an active-active site using Oracle RAC and Oracle GoldenGate. We want to ensure we know when either the extract or replicat processes are lagging. We found that…
Skipping a transaction in GoldenGate
We are the midst of a mission critical implementation that involves an active-active setup. We have chosen GoldenGate to manage the distribution of data between the two sites (soon to be three). This is the first of a series of…
SQL Patch
Oracle comes up with some cool tricks for fixing poorly performing SQL, especially code to which you have no direct access. If you absolutely know a given hint will always work, the Oracle optimizer blog recently posted a method for…
Reverse engineering a SQL replay script from a 10046 trace file
This will be the coup de grâce (but in a good way:)) if I can ever finish it. I have wanted to do this for years, and keep getting closer. Search for awk 10046 in the search bar on this…
Printing execution times with associated bind variables
In a previous post, we showed how you can extract the count of executions of a given SQL statement for a given bind variable. We recently found a need to print each execution a given SQL statement with the bind…
Change the mount point for an ACFS filesystem
Changing the mount point for an ACFS filesystem is not a straightforward process, and is not a well documented process. We found ourselves in this position after we misspelled the goldengate directory we wanted to use for the binaries and…
Linux firewall rules for RAC
Most notes on the Oracle MOS support site suggest disabling the firewall supplied in most Linux distros as managed by the iptables program. I think this is a bit drastic, and results in lazy thinking at best, and an exposed…
Query SQL Server stored procedure text with JDBC
I needed to quickly print the text associated with several stored procedures across multiple database servers to individual files. I used what is below. import java.sql.*; import com.microsoft.sqlserver.jdbc.*; import java.io.*; public class sqlProcedures { public static void main(String[] args) {…
Poor man’s partitioning with instead of triggers – PART 1
The Enterprise Edition of Oracle Corp’s. flagship database has many features. One of these is partitioning. Partitioning allows a user to segment table rows into separate physical storage structures. This can improve things such as performance and manageability. Performance can…