一.存在表A和表B,都包含字段user_no,但数据类型不一致,如下: create table A ( user_id varchar2(20), user_no number(12,0), xxx ); create table B ( user_name varchar2(60), user_no varchar2(20), xxx ); 二.现有某项业务需要用到A.user_id和B.user_name,通过user_no来做关联查询,如下: select A.user_id,B.use

安装Oracle 11gR2,报错:[INS-06101] IP address of localhost could not be determined 出现这种错误是因为主机名和/etc/hosts 文件不一致. 1./etc/sysconfig/network[root@rac2 11.2.2]# cat /etc/sysconfig/networkNETWORKING=yesHOSTNAME=rac2 2./etc/hosts[root@rac2 11.2.2]# vi /etc/hos

http://blog.csdn.net/qq_19524879/article/details/51313205 ORACLE 11G 导出报错(EXP-00003)未找到段 (0,0) 的存储定义 具体原因网上百度很简单 下面是解决办法 select 'alter table '||table_name||' allocate extent;' from user_tables where num_rows=0; 然后吧生成的 alter table  xxxx  allocate exte

Oracle Client安装报错:引用数据不可用于验证此操作系统分发的先决条件 http://tunps.com/p/11797.html 原因是Oracle Client 11g版本不支持最新的Win10系统. 打开Oracle Client 11g安装包目录:\client\stage\cvu 编辑该目录下的两个xml文件:oracle.client_InstantClient.xml和cvu_prereq.xml <OPERATING_SYSTEM RELEASE="6.2&quo

spring mvc POST方式 接收单个参数,不加任何注解,参数名对应,接收到的值为null spring mvc POST方式 接收单个参数,加上@RequestBody,接收到参数格式:{"uid":"品牌分类大”} spring mvc POST方式 接收单个参数,加上@RequestParam报错: org.springframework.web.bind.MissingServletRequestParameterException: Required Stri

ckfinder_php_3.4.4 IIS 报错 无效请求 (Invalid request) Apache 正常,但是在IIS环境下报错,解决方法 设置 C:\Windows\Temp 目录 给 用户 IIS_IUSERS 读写权限 问题解决 ckfinder 设置 显示报错详细信息, ckfinder/config.php // Production error_reporting(E_ALL & ~E_DEPRECATED & ~E_STRICT); ini_set('displa

Oracle Online Patching报错"This is not a RAC setup. OPatch cannot determine the local node name" 问题描述 Oracle 11.2.0.4.0有一个BUG为 Bug 18034737 - Tracefiles from wxxx space management slave processes after upgrade to 11.2.0.4 (Doc ID 18034737.8). 具体会一

贴代码: <select id="getInfo" parameterClass="java.util.HashMap" resultClass="java.util.HashMap">      <isEqual property="Type" compareValue="02">        select a.*       from INFO a      where a.T

1.报错如下:Invalid Operation the connection is closed,无效操作,连接被关闭.这个错误是并不是每次都报,只有在复杂操作.大事务的情况下才偶然报出来. stackOverflow上有很多关于这个问题的讨论,例如这个:<System.Data.OracleClient random Invalid Operation the connection is closed>,但较零散,全扫了一遍之后,我仍然有如下疑问: 1)怎么看TransactionScop

执行DDL报错 在oracle存储过程中,默认是可以直接执行DML和DQL的,但是执行CREATE这种的DDL则需要借助EXECUTE IMMEDIATE 如: create or replace procedure CREATE_TABLE(CREATE_SQL VARCHAR2) IS BEGIN EXECUTE IMMEDIATE CREATE_SQL; --'CREATE TABLE T_CREATE_TABLE_1(COLUMN_1 VARCHAR2(50))' end CREATE_

Oracle环境:oracle 10.2.0.1 创建的 public dblink 连接oracle 11.2.0.3 ORA-01017: invalid username/password; logon denied    ORA-02063: preceding line from <link_name> 一．创建dblink create public database link dmz63 connect to xyy  identified by xyy using '(DESC

下面是两段关键代码: /// <summary> /// 将一张图片转换为字节 /// </summary> /// <param name="img">图片</param> /// <param name="imgFormat">保存图片的类型</param> /// <returns>byte[]</returns> public byte[] ImgToByte(I

现象:在Oracle 12.2.0.1 RAC环境,在其ASM实例中,如果添加不同大小或者不同数量的LUN到failgroup中,会报错: ORA-15032: not all alterations performed ORA-15410: Disks in disk group OCRVT do not have equal size. 或者 ORA-15032: not all alterations performed ORA-15411: Failure groups in disk

今天修改oracle数据库内存时, alter system set memory_max_target=10240M scope=spfile;语句正确修改:但重启时却报错 : SQL> alter system set memory_max_target=10240M scope=spfile; System altered. SQL> shutdown immediateDatabase closed.Database dismounted.ORACLE instance shut do

alert报错 2019-01-12T10:10:11.499130+08:00Errors in file /u01/app/oracle/diag/rdbms/rac1/rac112/trace/rac112_j000_119621.trc:ORA-12012: error on auto execute of job "SYS"."ORA$AT_OS_OPT_SY_7458"ORA-20001: Statistics Advisor: Invalid task

报错信息如下: >>> Couldnot execute auto check for display colors using command /usr/bin/xdpyinfo.Check if the DISPLAY variable is set. Failed <<<< 解决方法: # 如果是使用xshell登录 重新从Oracle用户直接登录(不要从root用户切换) 执行xhost + 执行安装命令

以前在mysql5.7上执行如下sql语句没有问题 SELECT DISTINCT u.*,c.content userCategory FROM m_user u LEFT JOIN m_category c ON u.user_category=c.category_id LEFT JOIN m_user_role mr ON u.user_id=mr.user_id WHERE 1=1 AND u.user_status=0 ORDER BY u.createtime DESC LIMIT

OS 版本     :HP-UX B.11.31Oracle版本:11.2.0.4 (RAC) (一)问题描述 最近发现无法连接上数据库,报错信息为“ORA-00020:maximum number of processes (3000) exceeded”,很明显是数据库的进程数量已经达到了最大值,可用过v$process确认 SQL> select count(*) from v$process; COUNT(*) ---------- 于是打算将数据库参数processes改大一些,直接修

一.命令找不到 xhost:command not found yum whatprovides "*/xhost" Loaded plugins: product-id, security, subscription-manager This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register. : ... xorg-x11-

近期在客户的一个8i生产库上使用statspack.发现alert中有报错: Mon Jun 16 13:17:52 2014 Errors in file /oracle/8.1.7/admin/prod/bdump/snp0_96626_prod.trc: ORA-12012: error on auto execute of job 304 ORA-01631: max # extents (505) reached in table PERFSTAT.STATS$SQL_SUMMARY

数据库报了ORA-01157和ORA-01110错误,提示找不到一个数据文件. 1.启动数据库报错 在启动数据库过程中,报了ORA-01157和ORA-01110错误,提示找不到数据文件. SQL> startup ORACLE instance started. Total System Global Area 1.0021E+10 bytes Fixed Size 2215944 bytes Variable Size 7717523448 bytes Database Buffers 22