Opening a Collection Cursor (ESQL/C)
You can declare both Select and Insert cursors on collection variables. Such cursors are called Collection cursors. You must use the OPEN statement to activate these cursors.
Use the name of a collection variable in the USING clause of the OPEN statement. For more information on the use of OPEN ... USING with a collection variable, see Fetching from a Collection Cursor and Inserting into a Collection Cursor.