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事例1 my %hash=( '1-a' => 'a', '2-b' => 'b', '3-c' => 'c', '4-d' => 'd', '5-e' => 'e'); foreach my $key(keys %hash) { print $key."\n"; foreach my $dkey(keys %hash) { delete $hash{$dkey}; } } 事例2 my %hash=( '1-a' => 'a', '2-b ...
退出码的值 含义 例子 注释 1 通用错误 let "var1 = 1/0" 各种各样的错误都可能使用这个退出码, 比如"除0错误" 2 shell内建命令使用错误(Bash文档上有说明) 很少看到, 通常情况下退出码都为1 126 命令调用不能执行 程 ...
update rms_transne_2gx set (ZH_LABEL,NE_CODE,RELATED_EQUIPROOM,RELATED_RACK,SERIAL,PRODUCT,STATUS,CITY_ID,ENTER_TIME,CUT_TIME)= ( select rms_transne.ZH_LABEL,rms_transne.NE_CODE,rms_transne.RELATED_EQUIPROOM,rms_transne.RELATED_RACK,rms_transne.SERIAL,rms_transne.PRODUCT,rms_transne. ...
get_ddl('TABLE','表名','实例名') from dual select dbms_metadata.get_ddl('TABLE','RMS_CITY','RMS') from dual 结果 CREATE TABLE "RMS"."RMS_CITY" ( "INT_ID" NUMBER(*,0) NOT NULL ENABLE, "CITY_ID" NUMBER(*,0), "LONG_SECTION" VARCHAR2(10), ...

交换path

UPDATE RMS_PATH SET ANENAME=ZNENAME,APTP=ZPTP,ACTP=ZCTP,ZNENAME=ANENAME,ZPTP=APTP,ZCTP=ACTP,ANENAME_COL=ZNENAME_COL,ZNENAME_COL=ANENAME_COL,ACITY_ID=ZCITY_ID,ZCITY_ID=ACITY_ID WHERE ACITY_ID<>800 AND ZCITY_ID=800
一个脚本突然没法用了,研究了半天,不觉得有变量污染 后来找到了解决方案 在定义函数的时候在后面加上了()括号,导致报错,如果去掉括号就会正常 求原理。。
delete from ROUND_NAME_TEMP A where a.rowid <>( select max(b.rowid) from ROUND_NAME_TEMP B where b.round_name=a.round_name and b.ems_name=a.ems_name)

oracle锁

查看锁 select t2.username,t2.sid,t2.serial#,t2.logon_time from v$locked_object t1,v$session t2 where t1.session_id=t2.sid order by t2.logon_time 解除锁 alter system kill session '813,7352'
SQL> set timing on; //设置显示“已用时间:XXXX” SQL> set autotrace on-; //设置允许对执行的sql进行分析 SQL> set trimout on; //去除标准输出每行的拖尾空格,缺省为off SQL> set trimspool on; //去除重定向(spool)输出每行的拖尾空格,缺省为off SQL> set echo on //设置运行命令是是否显示语句 SQL> set echo off; //显示start启动的脚本中的每个sql命 ...
update rms_cell set stateflag=to_char(sysdate,'yyyymmddhh24miss') where int_id in( select max(int_id) from rms_cell where MCC||'-'||MNC||'-'||LAC||'-'||CI in ( select MCC||'-'||MNC||'-'||LAC||'-'||CI from RMS_CELL where STATEFLAG=0 group by MCC||'-'||MNC||'-'||LAC||'-'||CI having count(MC ...
-----更改设备 SELECT 'RMS_TRANSCIR_USER->对网元编号提取,存入本端和对端num:' AS remark,TO_CHAR(CURRENT_DATE,'YYYY-MM-DD HH24:MI:SS') AS deal_time FROM dual; UPDATE RMS_TRANSCIR_USER SET SOURCE_NE=REPLACE(SOURCE_NE,'-','-' ); UPDATE RMS_TRANSCIR_USER SET REMOTE_TRANS_EQU=REPLACE(REMOTE_TRANS_EQU,'-','-' ); ...
ls *P*.txt |awk -F'\_' '{print $1"_"$2}' | uniq | while read line do count=`ls $line\_*|wc -l` echo $line":"$count done 文件名按_分了3个段,前两个是固定,后一个段为时间 要查出前两个段相同的文件,打印出个数
-----------------改变全角字符 SELECT 'RMS_TRANSCIR_USER->改变全角字符:' AS remark,TO_CHAR(CURRENT_DATE,'YYYY-MM-DD HH24:MI:SS') AS deal_time FROM dual; UPDATE RMS_TRANSCIR_USER SET SOURCE_NE=REPLACE(SOURCE_NE,'-','-' ); UPDATE RMS_TRANSCIR_USER SET REMOTE_TRANS_EQU=REPLACE(REMOTE_TRANS_EQU,'-','-' ...
SELECT count(*) FROM RMS_NEPORT_2GX port WHERE exists ( SELECT 1 FROM RMS_TRANSCIR_USER usr,RMS_NEPORT_2GX port where usr.SOURCE_NE= port.SOURCE_NE_COL and usr.SOURCE_TRANS_PORT = port.OLD_NAME ) SELECT count(*) FROM RMS_NEPORT_2GX port update RMS_NEPORT_2GX port ...
对带 扩-X 的进行拆分 update RMS_TRANSCIR_USER set SOURCE_TRANS_PORT=substr(SOURCE_TRANS_PORT,instr(SOURCE_TRANS_PORT,'-',1)+1,instr(SOURCE_TRANS_PORT,'PQ',1)-instr(SOURCE_TRANS_PORT,'-',1)-1)||'-'||substr(SOURCE_TRANS_PORT,instr(SOURCE_TRANS_PORT,'PQ',1)) where regexp_like(SOURCE_TRANS_PORT,'\d+\-\d+PQ*' ...
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