The Union tool combines the features of multiple layers, but does NOT combine the attribute tables of those features.Group of answer choicesTrueFalse

The "Intersect" tool COMBINES the attribute tables of the two data layers involved.Group of answer choicesTrueFalse

The Intersect tool:Group of answer choicesExtracts only positive values from the attribute table.Combines only those areas that are in common (overlap) with both of the input data layersCalculates the population density of the intersecting regions.Does not combine attribute tables.

Select the correct answerWhat is the purpose of the SQL UNION operator?OptionsCombines rows from two or more tables, removing duplicatesCombines rows from two or more tables, including duplicatesSorts rows in a tableDeletes rows from a table

6.  What’s the difference between UNION and JOIN?   A. UNION combines rows from two tables into a single result set, keeping all duplicates; JOIN combines the results of two queries based on a related column.B. UNION can only be used with SELECT statements; JOIN can be used with any SQL statementC. UNION is used to combine columns from two tables; JOIN is used to combine rows from two tablesD. UNION combines the results of two queries into a single result set, removing duplicates; JOIN combines columns from two or more tables based on a related column.

n a union analysis, all input feature classes and feature layers must have polygon geometry.Group of answer choicesTrueFalse