____________________ queries are used to build tree-like hierarchical output row structures from hierarchical data.
Correct Answer:
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Q86: Both IN and _ allow a correlation
Q87: _ represents nothing,not a space,not a zero
Q88: _ or version queries allow access to
Q89: Group (_)SQL functions apply specific functionality to
Q90: A(n)_ character can match any character.
Q92: As already seen in this chapter,SELECT statements
Q93: Some tables contain hierarchies of data and
Q94: A query using a subquery is also
Q95: _ SQL functions convert values such as
Q96: The NULLS _ clause can be used
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