In a 1-M updatable query,you cannot insert a row into the parent table without also inserting a corresponding row into the child table.

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In a 1-M (one-to-many) updatable query, inserting a row into the parent table does not require simultaneously inserting a corresponding row into the child table. The relationship constraint typically ensures that if a row in the child table exists, it must have a corresponding parent row, but it does not prevent the parent table from having rows without corresponding child rows.

In a 1-M Updatable Query,you Cannot Insert a Row into the Parent