QUERY 3: To check the size of partition table in Oracle. select PARTITION_NAME,sum(bytes)/1024/1024/1024 GB from dba_segments where SEGMENT_NAME=upper('&TABLE_NAME') and PARTITION_NAME='P01' group by PARTITION_NAME; QUERY 4: To check table owner: select owner from dba_segments where s...
How to find invalid objects in an Oracle table Oracle is a complex entity where many different objects work together to create harmony. However, changing anything in this complex system can disrupt that harmony, and some of the database objects can become invalid. ...
discuz3伪静态规则收集 错误Deprecated: mysql_connect(): The mysql extension is deprecated and will be removed in the future: 忘记ShopEx后台管理员密码处理办法 解决$GLOBALS[“HTTP_RAW_POST_DATA”]获取不到数据的问题 关于织梦后台DedeCMS:CSRF Token Check Failed提示的处理方法 通过webconfig设置iis上传大小...
When a DML is executed (update/delete/insert,merge, and select …. for update) oracle obtains 2 locks on the table. Row level Lock (TX) – This obtains a lock on the particular row being modified and any other transaction attempting to modify the same row gets blocked, till the one al...
oracle中not in 和 in的代替用法 2019-12-06 14:04 − -- not in 的替代写法select col from table1 where col not in(select col from table2); select col,table2.col temp_colfrom table1 left join table2on table1.co... ConfidentLiu 0 4248 No valid Maven installation found. Either...
2019-12-11 14:33 −ERROR in Cannot find module 'node-sass' 错误表示找不到node-sass模块。 因为cnpm安装导致的,换成npm安装就好 或者cnpm install node-sass@latest 解决方法: 输入命令:cnpm install node-sass@la... 裸奔到月球 0 3099 Unable to find a java Virtual Machine --- Oracle SQL Devel...
前几天在生产环境编译了一个ORACLE 包,导致了OA接口中抛出ORA-06508的异常。 经检查,是由于OA接口中调用的PACKAGE的依赖包中定义了全局变量,若在package中定义了全局变量,该包被编译过但是应用没有重启或者没有刷新连接池,则会导致 "错误ORA-06508: PL/SQL: 无法找到正在调用 的程序单元"。
ORA-12522: TNS:listener could not find available instance with given INSTANCE_ROLE是Oracle 数据库连接错误,提示当前listener没有发现可用的实例具有给定的实例角色。 官方解释 此错误消息通常是示出一个连接失败的消息,表明没有任何数据库实例以正确的权限和实例的角色(例如使用ASM实例的角色)在服务器上可用。
MySQL应用使用的SQL的Where条件存在FIND_IN_SET,无法在YashanDB直接执行,需要改写。本文探讨不兼容的原因,并给出改写手段。 问题 SQL示例 create table t1(c1 int, c2 varchar(10));insert into t1 values(1,'b');insert into t1 values(2,'d');select c1 from t1 where find_in_set(c2,'a,b,c');...
pt-find这个工具,和Linuxfind命令类似,通过SHOW TABLE STATUS方式,查找特定的表并执行一些SQL语句,对于日常运维工作也是有比较大的帮助。 pt-find 基本用法 (1)基本语法 代码语言:javascript 代码运行次数:0 运行 AI代码解释 pt-find[OPTIONS][DATABASES]