EXEC SQL BEGIN DECLARE SECTION; row (x int, y int, length float, width float) myrect; EXEC SQL END DECLARE SECTION; ... EXEC SQL update table(:myrect) set x=7, y=3, length=6, width=2; EXEC SQL insert into rectangles values (12, :myrect);
要获取更多信息,请参阅 更新 Row 变量(ESQL/C).