Oracle: Find The Total Size Of All Of Your CLOB & BLOB Columns In All Tables

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

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Oracle & .NET: Resolve – Exception calling “Fill” with “1” argument(s): ‘count’ must be non-negative.

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.

Oracle – CLOB vs. VARCHAR2 – When & When Not To Use?

CLOBs Not many tables demand the use of CLOBs (Character Large Objects). CLOB data type columns can store up to 4 GB of text. When designing a new application, developers face a dilemma – I need a column where I need to store a large block of text, should I use multiple VARCHAR2 columns or … Continue reading Oracle – CLOB vs. VARCHAR2 – When & When Not To Use?