Today I received a request from an application owner who wanted to know the size of all the CLOB and BLOB columns in all the non-system tables so that they have a good idea of the size involved for a migration. Tables with BLOB/CLOB columns The SQL to find the tables with the BLOB/CLOB columns … Continue reading Oracle: Find The Total Size Of All Of Your CLOB & BLOB Columns In All Tables
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.
Often, a common requirement would involve determining the space usage by an Oracle table and/or index. Knowing that the information in stored in the system views, we can query for the size as follows (just substitute the table name): OWNER TABLE_NAME INDEX_NAME SIZE_MB MY_TABLE_OWNER MY_TABLE_NAME 3929 MY_TABLE_OWNER MY_TABLE_NAME MY_TABLE_NAME_PK 436 MY_TABLE_OWNER MY_TABLE_NAME MY_TABLE_NAME_IDX02 379 MY_TABLE_OWNER … Continue reading Oracle – Quick Tip – Find Table & Index Size (SQL Server Equivalent Of sp_spaceused)