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用shell抽取,更新db2的數(shù)據(jù)
瀏覽:504日期:2023-03-24 09:22:42
正在看的db2教程是:用shell抽取,更新db2的數(shù)據(jù)。為工作需要而寫的shell處理db2數(shù)據(jù)庫的程序用shell抽取db2的數(shù)據(jù),并進(jìn)行處理。
#SQL文定義
SQL="SELECT AAA, BBB, CCC FROM MYTBL1"
#執(zhí)行SQL
SDATA=`db2 "$SQL"`
#返回值判斷
if [ $? -ne 0 ]
then
#顯示db2返回的錯(cuò)誤信息
echo "$SDATA"
exit 1
fi
#對(duì)取得的數(shù)據(jù)進(jìn)行處理。
echo "$SDATA" | sed -e "4,/^$/!d;/^$/d" |
while read AAA BBB CCC
do
echo "AAA IS $AAA, BBB IS $BBB, CCC IS $CCC"
done
#取得數(shù)據(jù)件數(shù)
echo "$SDATA" | sed -n -e "/^$/{1,3d;n;s/[^0-9]*\([0-9]*\)[^0-9]*/\1/;p;}" | read CNT
echo "The count of selected data is $CNT."
exit 0★更新db2的數(shù)據(jù),并取得更新結(jié)果
SQL="UPDATE MYTBL1 SET AAA="2005",BBB="05",CCC="12""
#執(zhí)行SQL
SDATA=`db2 -a "$SQL"`
#取得SQLCODE
echo "$SDATA" | sed -n -e "s/^.*sqlcode: \([-,0-9][0-9]*\).*/\1/p" | read SQLCODE
echo "Sqlcode is $SQLCODE."
#取得SQLSTATE
echo "$SDATA" | sed -n -e "s/^.*sqlstate: \([-,0-9][0-9]*\).*/\1/p" | read SQLSTATE
echo "Sqlstate is $SQLSTATE."
#取得更新件數(shù)(即sqlerrd的第三個(gè)值)
echo "$SDATA" | sed -n -e "/sqlerrd/s/^.*(3) \([-,0-9][0-9]*\).*/\1/p" | read UPDCNT
echo "Updated data"s count is $UPDCNT."
#取得sqlerrd的第五個(gè)值
echo "$SDATA" | sed -n -e "/sqlerrd/{n;s/^.*(5) \([-,0-9][0-9]*\).*/\1/;p;}" | read SQLERRD5
echo "Sqlerrd(5) is $SQLERRD5."
#SQL文定義
SQL="SELECT AAA, BBB, CCC FROM MYTBL1"
#執(zhí)行SQL
SDATA=`db2 "$SQL"`
#返回值判斷
if [ $? -ne 0 ]
then
#顯示db2返回的錯(cuò)誤信息
echo "$SDATA"
exit 1
fi
#對(duì)取得的數(shù)據(jù)進(jìn)行處理。
echo "$SDATA" | sed -e "4,/^$/!d;/^$/d" |
while read AAA BBB CCC
do
echo "AAA IS $AAA, BBB IS $BBB, CCC IS $CCC"
done
#取得數(shù)據(jù)件數(shù)
echo "$SDATA" | sed -n -e "/^$/{1,3d;n;s/[^0-9]*\([0-9]*\)[^0-9]*/\1/;p;}" | read CNT
echo "The count of selected data is $CNT."
exit 0★更新db2的數(shù)據(jù),并取得更新結(jié)果
SQL="UPDATE MYTBL1 SET AAA="2005",BBB="05",CCC="12""
#執(zhí)行SQL
SDATA=`db2 -a "$SQL"`
#取得SQLCODE
echo "$SDATA" | sed -n -e "s/^.*sqlcode: \([-,0-9][0-9]*\).*/\1/p" | read SQLCODE
echo "Sqlcode is $SQLCODE."
#取得SQLSTATE
echo "$SDATA" | sed -n -e "s/^.*sqlstate: \([-,0-9][0-9]*\).*/\1/p" | read SQLSTATE
echo "Sqlstate is $SQLSTATE."
#取得更新件數(shù)(即sqlerrd的第三個(gè)值)
echo "$SDATA" | sed -n -e "/sqlerrd/s/^.*(3) \([-,0-9][0-9]*\).*/\1/p" | read UPDCNT
echo "Updated data"s count is $UPDCNT."
#取得sqlerrd的第五個(gè)值
echo "$SDATA" | sed -n -e "/sqlerrd/{n;s/^.*(5) \([-,0-9][0-9]*\).*/\1/;p;}" | read SQLERRD5
echo "Sqlerrd(5) is $SQLERRD5."
標(biāo)簽:
DB2
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