在使用SQL*LOADER装载数据时,由于平面文件的多样化和数据格式问题总会遇到形形色色的一些小问题,下面是工作中累积.整理记录的遇到的一些形形色色错误.希望能对大家有些用处.(今天突然看到自己以前整理的这些资料,于是稍稍整理.归纳成这篇博客,后面如果碰到其他案例,会陆陆续续补充在此篇文章.) ERROR 1:SQL*LOADER装载数据成功,但是发现某些字段的中文为乱码,这个是因为编码缘故造成乱码.可在控制文件中添加字符集编码参数解决问题, 例如:CHARACTERSET 'ZHS16GBK'…

部分项目反馈系统整体突然变慢,经查询发现一个系统核心的大数据表的索引状态全部是Unusable. 导致索引失效的直接原因:当某些操作导致数据的rowid改变,索引就会完全失效. 那什么时候会导致rowid改变使得索引unuseable或者invalid呢? 一般普通表在在如下3个情况下可以使index unusable 1) 手动alter index unusable 2) Move [alter table move][alter table t02 move tablespace tbs0…

CASE11 1. SQL脚本 [oracle@node3 ulcase]$ cat ulcase11.sql set termout off rem host write sys$output "Building demonstration tables . Please wait" drop table emp; create table emp (empno ) not null, ename ), job ), mgr ), hiredate date, sal ,), com…

CASE10 1. SQL脚本 [oracle@node3 ulcase]$ cat ulcase10.sql rem host write sys$output "Building demonstration tables. Please wait" rem do all cleanup drop table orders; drop table customers; drop type item_list_type; drop type item_type; drop type c…

CASE9 1. SQL脚本 [oracle@node3 ulcase]$ cat ulcase9.sql set termout off rem host write sys$output "Building demonstration tables. Please wait" drop table emp; create table emp (empno ) not null, ename ), job ), mgr ), hiredate date, sal ,), comm ,…

CASE8 1. SQL脚本 [oracle@node3 ulcase]$ cat ulcase8.sql set termout off rem host write sys$output "Building demonstration tables. Please wait" drop table lineitem; create table lineitem (l_orderkey number, l_partkey number, l_suppkey number, l_lin…

CASE7 1. SQL脚本 case7包含两个SQL脚本,一个是删除脚本ulcase7e.sql,一个是创建脚本ulcase7s.sql [oracle@node3 ulcase]$ cat ulcase7e.sql set termout off rem host write sys$output "Cleaning up Trigger and Package." DROP PACKAGE uldemo7; DROP TRIGGER uldemo7_emp_insert; EXI…

CASE6 1. SQL脚本 [oracle@node3 ulcase]$ cat ulcase6.sql set termout off rem host write sys$output "Building demonstration tables. Please wait" drop table emp; create table emp (empno ) not null, ename ), job ), mgr ), hiredate date, sal ,), comm ,…

CASE5 1. SQL脚本 [oracle@node3 ulcase]$ cat ulcase5.sql set termout off rem host write sys$output "Building demonstration tables. Please wait" drop table emp; drop table proj; create table emp (empno ) not null, ename ), job ), mgr ), hiredate dat…

CASE4 1. SQL脚本 [oracle@node3 ulcase]$ cat ulcase4.sql set termout off rem host write sys$output "Building demonstration tables. Please wait" drop table emp; create table emp (empno ) not null, ename ), job ), mgr ), hiredate date, sal ,), comm ,…