Checking tablespace Usage & Availability in Oracle
View each tablespace in oracle and the amount of allocated disk space used.
How to move tables, indexes and partitions to a different tablespace in Oracle
I had a case where I needed to move objects to a new tablespace, quite a few objects. As there was a lot of objects (tables, indexes and partitions) I decided to automate the code creation from the database metadata. Moving Objects To A New Tablespace The first thing to understand is how to move…
Some Refactoring Solutions For Magic Numbers
Today I’m looking at solutions to Magic Numbers. Magic numbers are hard coded numbers (or references) which appear in scripts and procedures, they creep in very easily. I don’t think that magic numbers are entirely bad. If you have a stored procedure which modifies data for a specific customer, having the one customer ID in…
Cleaning Strings: Removing & replacing extra characters
Part of managing data is cleaning text. Tabs, spaces and line breaks can sneak in, and confuse output. When working with whitespace characters and line breaks, we can’t see them. This can cause a lot of confusion for users (and developers) when unexpected behavior occurs. Keep in mind we have to be careful, often we…
Number sequences
Here is a quick look at number sequences, which are a brilliant (and fairly database neutral) method to create numbers (and rows) to build datasets from. While working on the dates articles, I used number sequences a lot and thought they were worth coming back to. What is a number sequence A number sequence can…
Dates In Oracle: Ranges, Manipulation & Loops
Having spent a lot of time looking at dates in SQL Server, I thought I’d take some time to publish some notes on dates in Oracle. Most of the ideas are the same, but there are some subtleties. After my SQL Server articles: Dates In SQL Server: Managing & Manipulating Dates Dates In SQL Server:…