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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PowerShell: Export-QueryToSQLTable – Export All Of Glenn Berry’s DMV’s, sp_WhoIsActive, sp_Blitz & Any Of Your Own Queries To SQL Server Tables

There are native PowerShell cmdlets to export to CSV  or text but I have not seen one that can easily export any SQL query output to a SQL Server table in bulk (Write-DbaDataTable function of dbatools does it for one table which I use in my solution below). I probably did not look too hard … Continue reading PowerShell: Export-QueryToSQLTable – Export All Of Glenn Berry’s DMV’s, sp_WhoIsActive, sp_Blitz & Any Of Your Own Queries To SQL Server Tables

Oracle – Capture OS Command Output Using Oracle External Tables

Case for the OS side: Some things are best done on the OS side and there is no question about that. Case for the DB side: Some things are best done on the database side and there is no question about that either. What if? Some things need the output of one in the other … Continue reading Oracle – Capture OS Command Output Using Oracle External Tables

Oracle – Sync Any Sequence And Any Table Column In A Generic Fashion To Avoid ORA-00001

Table to Sequence relation Typically, you have tables that rely on a sequence for their PK. Almost all of the time the relationship between a table and its sequence is one-to-one. Often times, as releases are done with manual data inserts, not too much attention is paid to use the value from the sequence and … Continue reading Oracle – Sync Any Sequence And Any Table Column In A Generic Fashion To Avoid ORA-00001

Oracle – Compare Text Files With 10 Million Lines In 10 Minutes Using 10 Lines Of Code – EXTERNAL Tables

The goal of this post is to compare two text files that may have millions of lines and compare them to quickly find out which lines differ using Oracle EXTERNAL tables. As an Oracle professional, “external tables” are something you may already be familiar with or maybe you have heard about them but not used … Continue reading Oracle – Compare Text Files With 10 Million Lines In 10 Minutes Using 10 Lines Of Code – EXTERNAL Tables