Oracle Doesn’t Look Good – 23ai TBA
I have to say that Oracle Corporation is not looking like a company that knows what its doing. At least when it comes to getting Oracle 23ai shipped out the door for on-premise customers. The saga...
View ArticleRoll Forward Standby with 1 Command
I have a testbed that I use for research purposes. This testbed consists of a 2-node RAC primary database (RESP) and a 2-node RAC physical standby database (RESS). Both Oracle 19c on Oracle Linux. I...
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Token-based server access validation – SCCM
I have a new SQL Server 2019 system that I set up. After migrating applications from the old server to the new server, I started getting reports where the AD users could not connect to the SQL...
View Article19c DB RU results in ORA-65033 with PDBs
I am patching an Oracle Multitenant 19.13 database with the April 2022 RU which will bring my database version up to 19.15 (yes I skipped 19.14). When running datapatch against the PDBs, I received...
View ArticleORA-6502 with Grant Logging Trigger
I have a new project I’m working on where I want to have an Oracle job revoke privileges I granted to IT staff that are older than 30 days. Our IT staff needs occasional access to a few production...
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GTT Table Stats and SYS.WRI$_OPTSTAT_TAB_HISTORY
Back in 2015, I upgraded our Oracle 11.2.0.4 databases to 12.1.0.2 and experienced some performance issues related to our use of GTTs. I blogged about those issues here. The crux of the issue I was...
View ArticleORA-1114 Running Datapatch
I have an Oracle 19.3 Multitenant database that I am attempting to apply the 19.7 Release Update. The RU was installed by opatch just fine. But datapatch will incur the ORA-1114 error. I get errors...
View ArticleThe Value of Data Over Time
By now, everyone knows that data is very valuable. Major corporations use data to make decisions that hopefully drive the business forward and achieve a higher level of profitability. As database...
View ArticleInvalid ODCIPARTINFOLIST on Upgrade
I have been working on upgrading Oracle 12.1.0.2 databases to Oracle 19.3 when I ran into a problem that took me quite awhile to figure out. I did a search on My Oracle Support and a quick Google...
View ArticleIt’s In The Details
I have an Oracle 12.1.0.2 Multitenant database that I’m trying to remove a PDB from. However, I mistakenly removed the storage from the database server and the PDB cannot access its files. When...
View ArticlePDB Unplug ORA-17528 Error
I am trying to remove a PDB in Oracle 19.3 that is no longer needed. I get the following error: SQL> alter pluggable database DEV_PDB close immediate instances=all; Pluggable database altered....
View Article19.3 PDB Close ORA-65107 ORA-16078
When closing a cloned PDB in 19.3, I am receiving the following errors: ORA-65107: Error encountered when processing the current task on instance:1ORA-16078: media recovery disabled This may exist in...
View ArticleORA-01173 Opening PDB in Upgrade Mode
I am working on upgrading a Multitenant environment from Oracle 12.1.0.2 to Oracle 19c. I have 40 PDBs supporting all sorts of dev and test environments. We typically upgrade a few dev databases first...
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Oracle Documentation
Oracle has changed their documentation, making it much harder to find the Oracle Database docs. To access the docs, go to http://docs.oracle.com. From there, you could click on the Database category....
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GI 19c RPM Package Manager Database
I am upgrading an Oracle 18c Grid Infrastructure cluster to the new Oracle 19c version, release for on-premises last week. The OUI pre-requisite checks finds two issues that need my attention. The...
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Oracle DBA Mentor
My new book is now available from Apress. Oracle DBA Mentor is different from most other Oracle books. The others will teach you some great things and show you how Oracle works and how you should use...
View ArticleORA-65139: Mismatch between XML metadata file and data file
I was trying to plug a non-CDB into our new Multitenant environment as we make the move to Multitenant. I am going to create a golden image of our production non-CDB and then all dev and test databases...
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RAC Sequence Contention
I recently ran into a case where selecting the next value from a sequence was causing contention issues in Oracle RAC. See this screen shot from Lighty (click on the image to see a larger picture) The...
View ArticlePRVG-2027 Owner of file is inconsistent across nodes
I recently ran into an issue right after I applied the latest/greatest CPU to an Oracle RAC system. Both GI and RAC were patched. The GI alert log showed error messages like: 2018-05-13 22:03:01.121...
View ArticleLarge .patch_storage
I received an alert from Enterprise Manager that one of my production databases was getting low on disk space. I tracked it down to $GRID_HOME/.patch_storage which was consuming 30GB of my 90GB drive....
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