If a line in SQL Editor contains leading spaces, unindenting it (Shift+Tab) works if the cursor is placed anywhere except the very beginning of the line. The desirable behavior would be to allow to unindent text (i.e. remove leading spaces) even if the cursor is in the first position.
Ubuntu 11.04 x64, DbVisualizer Personal 8.0.3, Java HotSpot(TM) 64-Bit Server VM
Thanks for reporting this. We will try to get it fixed soon. Until then, please note that Unindent (Delete Tab) works on selected lines, even when the caret is at the very beginning of the line. Hopefully that is an acceptable work-around for you.