This is one of those obscure errors that has no answer on the Web. I ran into this error trying to migrate an Oracle table to SQL Server (one of many). The issue seemed to be only with certain rows of this table as it migrated majority of the data without issues. Below is the … Continue reading Oracle & .NET: Resolve – Exception calling “Fill” with “1” argument(s): ‘count’ must be non-negative.
Backups are a very important part of a DBA's job. Understanding when they have happened and when they have not happened is even more important. Quantifying things quickly can mean the difference between good and bad decisions when you are in a bind. Note: If you are looking to do something similar with Oracle, please … Continue reading SQL Server: Visualize Your Backups For Insights – By Month Day, Time etc.
NULL's will be eliminated! When doing a count() operation, it helps to understand what is counted and what is not. Count can be done in multiple ways COUNT(*) COUNT(1) COUNT([Column_Name]) COUNT(DISTNCT [Column_Name]) With and without GROUP BY While it is straight-forward to get a count, here are a couple of things to note NULL values … Continue reading Oracle & SQL Server: COUNT(*) vs. COUNT(1) vs. COUNT(ColumnName) – Differences
One of the interesting aspects of working with data is how every person can look at the same thing and come to different conclusions. No one is right or wrong but a good visualization will lead to good decision-making. One of the leading data visualization patterns is pivoting and pivoting is everyone’s first choice when … Continue reading Oracle – Data Visualization Of DateTime Stamps – The Big Picture 24-hour View By Date Using PIVOT