Ext2 is an older non-journaled file system, so that's not the right answer. I think it's either ext3 or ext4, but I'll have to double-check the details.
Journaling is an important feature for file system reliability, so I'll focus on that. I believe ext3 was the first ext file system to include journaling, so that's my best guess.
Okay, let me think this through step-by-step. The first XQuery selects the second 'data' element with 'condition="good"', and the second one selects the second 'data' element. I think the key is figuring out how those two queries interact with the example XML.
Therese
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