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WGU D191 - Advanced Data Management (SQL) || Questions & Answers (Rated A+) $9.99
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WGU D191 - Advanced Data Management (SQL) || Questions & Answers (Rated A+)
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WGU D191 - Advanced Data Management (SQL) || Questions & Answers (Rated A+) WGU D191 - Advanced Data Management (SQL) || Questions & Answers (Rated A+) to combine Rows from tables based on a match condition - ANSWER - primary purpose of a JOIN is: returns a single value (scalar) or Row set t...

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  • September 15, 2024
  • 9
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • wgu d191 advanced data management sql questions
  • wgu d191 advanced data management sql answers
  • filters single rows specifies condition while fet
  • the number of digits in the field

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  • Data management
  • Data management

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WGU D191 - Advanced
2024 Data Management
(SQL) || Questions &
Answers (Rated A+)




Conceptial Researchers ||


, WGU D191 - Advanced Data
Management (SQL) || Questions &
Answers (Rated A+)
to combine Rows from tables based on a match condition - ANSWER - primary
purpose of a JOIN is:

returns a single value (scalar) or Row set that is immediately available for use in the
Outer query - ANSWER - A subquery:

Returns a distinct list of Rows from both tables. like a Logical OR would do... -
ANSWER - UNION operator

Returns ALL Rows from Both tables (including duplicate Rows) - ANSWER - UNION
ALL operator

Returns a distinct (non repeating) list (of Rows) of 2 or more sets where the result
appears in both tables/queries/sets. Like a logical AND would do... - ANSWER -
INTERSECT operator

returns ALL rows (including duplicates) from 2 or more tables only where
records/Rows appear in both tables/queries/sets - ANSWER - INTERSECT ALL
operator

Returns a distinct (non repeating) list of Rows that Only appear in the Left
Query/Table/Top result set. works like the Oracle MINUS set operator - ANSWER -
EXCEPT operator

Returns a list of Rows and duplicate Rows that Only appear in the Left Table/Query -
ANSWER - EXCEPT ALL operator

keyword that includes/shows duplicate rows - ANSWER - ALL

Eliminates all duplicate records and fetches only unique records.... keyword used
after set operator to specify duplicate Rows should Not be included - which is also
the default behavior - ANSWER - DISTINCT

establish temporary tables by using the WITH clause - ANSWER - Common Table
Expressions

Returns every possible combination of rows from the first table and the second table
- ANSWER - cross join

Returns only the records that have matching values in the joined field of two tables -
ANSWER - inner join

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