diff --git a/Veri Düzeltmeleri/kdvguncelleme.sql b/Veri Düzeltmeleri/kdvguncelleme.sql
new file mode 100644
index 0000000..020c7ff
--- /dev/null
+++ b/Veri Düzeltmeleri/kdvguncelleme.sql	
@@ -0,0 +1,15 @@
+--malzeme ve hizmet kartlarının kdvlerini günceller
+--istisnaları içermez
+
+DECLARE @YeniOran int,@EskiOran int
+SET @EskiOran=18
+SET @YeniOran=20
+UPDATE LG_231_ITEMS SET RETURNPRVAT=@YeniOran WHERE RETURNPRVAT=@EskiOran
+UPDATE LG_231_ITEMS SET RETURNVAT=@YeniOran WHERE RETURNVAT=@EskiOran
+UPDATE LG_231_ITEMS SET SELLPRVAT=@YeniOran WHERE SELLPRVAT=@EskiOran
+UPDATE LG_231_ITEMS SET SELLVAT=@YeniOran WHERE SELLVAT=@EskiOran
+UPDATE LG_231_ITEMS SET VAT=@YeniOran WHERE VAT=@EskiOran
+
+
+UPDATE LG_231_SRVCARD SET RETURNVAT=@YeniOran WHERE RETURNVAT=@EskiOran
+UPDATE LG_231_SRVCARD SET VAT=@YeniOran WHERE VAT=@EskiOran