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BUAN 6320 EXAM 1 (SQL) Questions with Correct Answers
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BUAN 6320 EXAM 1 (SQL) Questions with Correct Answers
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BUAN 6320 EXAM 1 (SQL) Questions with CorrectAnswers
Null Correct Answer-Unknown or inapplicable data, no value supplied
or undefined
T/F: When using the USING clause, the join must be based on columns
that have the same name in both tables Correct Answer-True
Assigning an alias to a table in a join requires you to do what throughout
the query? Correct Answer-Refer to it as the alias
Database drive software lets what communicate with the database?
Correct Answer-Database access model
What function concatenates a string with the specified separator string
added in between? Correct Answer-CONCAT_WS
What operator is used when testing if one or more rows are returned by a
subquery? Correct Answer-EXISTS
What type of view is returned when coding a subquery in a FROM
clause? Correct Answer-Inline
What keyword can contain aggregate or nonaggregrate search
conditions? Correct Answer-HAVING
, The use of what keywords automatically committs changes to the
database by default? Correct Answer-INSERT, UPDATE, DELETE
Denormalization does NOT result in what? Correct Answer-More
complicated coding
What identifier is used to indicate a search for the end of a string in a
REGEXP? Correct Answer-$
What identifier is used to indicate a search for the beginning of a string
in REGEXP? Correct Answer-^
What is the syntax for a REGEXP to search for multiple variations of a
string? Correct Answer-[ab]c
What operation deletes a table? Correct Answer-DROP TABLE
What operation deletes the data from a table but not the actual table?
Correct Answer-DELETE
What type of join is an inner join plus the rows from the 2nd table not
included in the inner join? Correct Answer-Right outer join
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