所以我确保没有引用,并且我所有的文件(iPad应用程序)都在这个文件夹中。我压缩文件夹并将其发送给某个人。当它们试图运行时,会得到关于未定义方法的编译器错误。
Ex错误:
Property 'window' requires method 'window' to be defined - use @synthesize, @dynamic or provide a method implementation in this class implementation
Property 'window' requires method
我试图使用相同的update语句更新两列,可以吗?
IF V_COUNT = 9 THEN
UPDATE INVOICE
SET INV_DISCOUNT = DISC3 * INV_SUBTOTAL
, INV_TOTAL = INV_SUBTOTAL - INV_DISCOUNT
WHERE INV_ID = I_INV_ID;
DBMS_OUTPUT.PUT_LINE ('YOU QUALIFY FOR A DISCOUNT OF 30%');
问题是INV_TO