5.1 Concatenating Tables
A Concatenated Table is a table generated by one of the following set operations: Union, Intersection, and Minus. These set operations are called concatenations. Candidate tables for concatenation should have the same number of columns, and corresponding columns of each table should have the same data type. A Concatenated Table is a type of Composition Table. See Editing a Composition Table for information about other properties of Composition Tables.
You can only concatenate two tables at a time, but any Concatenated Table can be used in further concatenations. To concatenate multiple base tables, first concatenate two of the base tables, and then concatenate the resulting Concatenated Table with the third base table, and so on.
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