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Tag: dba

a female police officer standing guard
March 30, 2022 Uncategorized

Enforcing DEFAULT values

Handling default values on columns has been an age old problem that we solved in 12c with extensions to the

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a cassette tape with the tape unravelling out of it
March 28, 2022 Uncategorized

Block recovery a lot easier than I thought

I tweeted this snippet the other day because to be honest I was just overjoyed about being able to get

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two hands shuffling a deck of cards in close up
March 22, 2022 Uncategorized

When re-ordering columns is warranted

Nearly 10 years ago(!!!) I blogged about how you can toggle columns to invisible and back again as a means

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a truck overfilled with cut logs driving on the highway
March 10, 2022 Uncategorized

Don’t run tight on PGA

The database on my laptop seemed slow this morning. Normally I would put this down to the fact that I’ve

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two identical sheep
March 7, 2022 Uncategorized

After you clone your pluggable database

Recently I cloned one my (pluggable) databases to a throwaway copy so that I could do some testing of an

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soapy hands washing under a running tap
March 2, 2022 Uncategorized

Cleaner DDL than DBMS_METADATA

Most of us with any kind of longevity in the Oracle world will remember the days when we wrote our

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a close up of a sleeping dog with its tongue hanging out
February 16, 2022 Uncategorized

INITRANS grabs a little more space

INITRANS defines how many concurrent transactions you can have within a single datablock for a segment (table, materialized view, etc).

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February 11, 2022 Uncategorized

V$SESSION_LONGOPS and parallel query

For pretty much as long as I can remember, the view V$SESSION_LONGOPS has existed. It has a suite of columns

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February 6, 2022 Uncategorized

A new dictionary view for privileges

So I tweeted this out on Friday and this reflects one of my joys with working with Oracle technology. The

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January 31, 2022 Uncategorized

Silent data corruption – constraints spanning multiple rows

One of the toughest problems in database applications is validation of data that extends “across” rows. We have declarative constraints

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Hi I'm Connor McDonald. I love playing with and exploring the Oracle database. But most of all I like seeing people succeed with the technology.
 
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