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On 01/27/2014 09:16 AM, Tom Robinson wrote:

I'm new to Libreoffice (I'm using it in Windows 8.1).

I tried to delete columns in an existing table created under OpenOffice (in Windows XP), and this 
causes the whole table to be dissapear. Would appreciate any advice.

I do not have a good answer, but I have had a bit of experience. I have not worked directly with Base in a while, so my information may be outdated. All of my comments as they relate to your question are based on using Base with the internal HSQL database, and not while connection Base to an external DB such as MySQL.

I vaguely remember that using the GUI I was not able to drop a column. When I did need to do this, I created a new table with the columns that I desired and I copied all of the old data into the new table using a single SQL statement. I never attempted to drop a column using a SQL statement (as opposed to using the GUI).

Especially since you experienced data loss, be sure to keep backups of your documents; always!

Andrew Pitonyak
My Macro Document:

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