How and When to Run the db2chgpath Utility

How and When to Run the db2chgpath Utility

Recently while applying a fixpack, I encountered this error: ERROR: An error occurred while setting DB2 runtime path. Contact a technical service representative. Setting DB2 library path :…….Failure DB2 Fix Pack Update log file finished at: Sat Aug 1...
ORA-04031: Unable to Allocate nn Bytes of Shared Memory

ORA-04031: Unable to Allocate nn Bytes of Shared Memory

The Oracle error ORA-04031: unable to allocate nn bytes of shared memory is telling us that Oracle tried to allocate a specific amount of memory for a process and it was unable to do so. I see this more often with legacy or very large and complex ETL processes. The...
ORA-12560 Error Message TNS Protocol Adapter Error

ORA-12560 Error Message TNS Protocol Adapter Error

This post has been updated from the original content here. When getting an ORA-12560 for an Oracle database on windows, there are a couple of things we should check before doing anything else. The error is telling us that we are trying to connect to the wrong...
How to Troubleshoot and Fix ORA-00257: archiver error

How to Troubleshoot and Fix ORA-00257: archiver error

This post has been updated from the original content here. The ORA-00257 error is a very common Oracle database error. The error is basically trying to tell us that we have run out of logical or physical space on our ASM diskgroup, mount, local disk, or...
Query Store in SQL Server 2016

Query Store in SQL Server 2016

Every environment is configured differently; however, we have all experienced alerts being triggered due to unfavorable performance. Oftentimes, before our root cause analysis begins, the issue has resolved itself and/or someone may have rebooted. Although current...