if
[ -d patch/tempatch ];
then;
cd patch/tempatch/;
for i in `ls`;
do;
tar -xvf $i;
rm -f $i;
done;
for i in `ls`;
do;
cd $i;
cp -R files/* patch/SP02JUL11/files/;
cd ..;
rm -Rf $i;
d
我试图在SQL查询中使用IF ELSE语句,因为我想根据每个PLN#的包大小对每个区的单元求和。我可以这样做吗?这里是我的尝试,这是不行的: SELECT district_nbr,PLN_NBR, SUM(A.LO_IOH_UNITS) AS TOTAL_UNITS, SUM (A.LO_IOH_EXT_COST_DLRS) AS TOTAL_DOLLARS
FROM FCT_LOIOH_D