SQL 编程 / 检索多行 |
EXEC SQL DECLARE the_item CURSOR FOR SELECT order_num, item_num, stock_num INTO :o_num, :i_num, :s_num FROM items; EXEC SQL OPEN the_item; while(SQLCODE == 0) { EXEC SQL FETCH the_item; if(SQLCODE == 0) printf("%d, %d, %d", o_num, i_num, s_num); }