Which of the following best describes the information contained in the data dictionary (or
system catalog)?
Suggested Answer: A
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7 comments · newest first
GE
Gene
11 months ago
I’m surprised it’s not just table data!
KR
Kris
12 months ago
Wait, isn't a data dictionary just a metafile?
JA
Jaime
12 months ago
A is correct, no doubt about it!
MA
Maile
1 year ago
I thought it was more like a data model.
SH
Sherill
1 year ago
Definitely A, it's all about metadata!
AS
Ashley
1 year ago
This seems like a tricky question. I'll need to carefully read through the options and think about the key terms in the IT (Amendment) Act.
DO
Dorsey
1 year ago
Okay, let me think this through. I know the key difference is that UNION ALL keeps duplicates, while UNION removes them.