meta data for this page
This is an old revision of the document!
UNION query
Usage
This type of query is similar to the SQL UNION function. These queries are used to display the rows extractedby two (or more) subqueries.
Difference from query
Selecting Subqueries
As for the reproach, At the time of data source selection, no table can be selected, only queries.
Screens out
The following screens of the inquiry are absent when creating a UNION :