Databases, mostly Oracle, and any other technology I want to discuss

January 2016 archive

Jan 29

Complacency leads to: Risk Becomes Reality

By bpeasland in Oracle

I was participating in a recent thread on the OTN community where someone was asking questions about downgrading after a database upgrade. One of the responses asked how many people actually practice database downgrades. I created this poll to find out. I was surprised to find one contribution to that thread which said: I have …

Jan 26

Identifying ASH Sequence Contention in RAC

By bpeasland in Oracle, RAC, Tuning

In Chapter 3 of Oracle RAC Performance Tuning, I showed how improper CACHE values for sequences can cause poor performance in Oracle RAC. I also showed how to spot sequence contention when looking at a session’s wait events. Today, I was working with a developer who was creating a new sequence. The developer had a …

January 2016
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BPeaslandDBA
@BPeaslandDBA

Roll forward physical standby with 1 command https://t.co/f5ZuwYY1CS

2 years ago
BPeaslandDBA
@BPeaslandDBA

@sacrophyte That was an old recommendation which is probably out of date now. When I look at the 19c doc for that p… https://t.co/h0VwGJECvH

2 years ago
BPeaslandDBA
@BPeaslandDBA

SQL Server - Token-based server access validation – SCCM https://t.co/tfwbcNIHZB

2 years ago
BPeaslandDBA
@BPeaslandDBA

ORA-6502 with Grant Logging Trigger with CREATE USER https://t.co/aAJxZDY7gV

3 years ago
BPeaslandDBA
@BPeaslandDBA

Also in that note is "We decided to not promote our Database 20c Preview version to General Availability. Instead,… https://t.co/bvUcRKQ9gt

4 years ago

http://github.com/BPeaslandDBA

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January 2016 archive

Complacency leads to: Risk Becomes Reality

Identifying ASH Sequence Contention in RAC

Oracle DBA Mentor

Oracle RAC Performance Tuning

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