DataBase（28）--后端、前端、移动开发、大数据、Java、Python、Vue开发经验分享

DataBase（28）

MIT6.830 Database Systems | 数据库系统
MIT6.830 Database Systems (Spring 2021)前置课程： 6.033 Computer System Design 计算机系统设计这门课与MIT 6.814是同一门课程，两者区别在于Final Project在6.814中由Lab5以及Lab6替代。虽然这门课是研究生课程，但是在MIT里，这门课大概1/3的学生是本科生。课程介绍MIT6.830 Database S
日期 2023-06-12 10:48:40
Unity 编辑器开发实战【AssetDatabase】- 获取资产的依赖项、引用项
Unity AssetDatabase类中提供了获取资产依赖项的API，如果我们想要获取某一资产被哪些资产引用，可以通过如下思路去实现：1.获取工程中的所有资产；2.遍历每一项资产，获取其依赖项列表；3.如果资产A的依赖项列表中包含资产B，则资产B被资产A引用。用到的核心API：1.根据guid获取资产路径// // 摘要: // Gets the corresponding asset
日期 2023-06-12 10:48:40
ensemble database_oracle数据库执行计划怎么看
原文来源：x2yline在生信进化树上的评论，http://www.biotrainee.com/thread-626-1-1.htmlEnsemble（ ensembl.org网站是常用真核生物参考基因组来源之一）能够对人类基因自动进行注释，包括人类，小鼠，斑马鱼，猪和大鼠等，也包括来自HAVANA的人工注释信息。 Ensembl是一项生物信息学研究计划，旨在开发种能够对真核生物基因组进行自动
日期 2023-06-12 10:48:40
pycharm怎么打开database_数据库在生活中的实例
大家好，又见面了，我是你们的朋友全栈君。显示Database功能（已有自动忽略）窗口右侧打开Database 输入数据库信息登录数据库可以进行任意数据库操作，该工具类似许多数据库管理软件版权声明：本文内容由互联网用户自发贡献，该文观点仅代表作者本人。本站仅提供信息存储空间服务，不拥有所有权，不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容，请发送邮件至举报，一经
日期 2023-06-12 10:48:40
DBA 面对的几种数据库“问题” 制造者 (Database killer)
从事DB 的工作者在工作中，大多都会遇到一些制造数据库的“问题”的开发者，实际上看问题的从多方面来去看，问题的的制造在会加重DBA 的工作，并且添加更多数据库在运行中产生问题的几率与制造数据库运行不稳定的因素，从另一个面来看，如果没有这些“可爱”的问题制造者，DBA 的工作是枯燥和乏味的，没有成就感的。今天就来捋一捋DB 在工作中，会遇到一些有意思的开发者。从事软件开发的开发者分为多种类型，有自
日期 2023-06-12 10:48:40
REDIS 一个全栈DBA 不可缺的闭环, why not chose redis as primary database
在开始本文的开始，我们先列出一些问题，看看我们对REDIS 有多深的理解，并且我们看看我们是否需要对REDIS 进行系统的学习并且有利用的价值。1 什么是REDIS 内存结构的键值型的数据库，它有5种类型的数据库结构 string, lists ,sets ,hashe , storted sets 等几种，同时支持基于lua 的脚本执行方式类似与传统数据库的存储过程。支持信息的永久存储，通过
日期 2023-06-12 10:48:40
【避坑】R报错 lazy-load database is corrupt
文章很短，你扫一眼就看完了。今天尝试复现词云图的时候，需要用到R包tm（Text Mining），死活装不上，无奈打算使出杀手锏——安装R包的二进制版本。install.packages("tm",type = "binary") 复制没想到在我library的时候还给我报错。Error: package or namespace load failed f
日期 2023-06-12 10:48:40
手写一个简单的Database7(译文)
* GreatSQL社区原创内容未经授权不得随意使用，转载请联系小编并注明来源。前文回顾实现一个简单的Database1(译文）实现一个简单的Database2(译文）实现一个简单的Database3(译文）实现一个简单的Database4(译文）实现一个简单的Database5(译文）实现一个简单的Database6(译文) 译注：cstack在github维护了一个简单的、类似sqlit
日期 2023-06-12 10:48:40
Docker | Oracle Database
引言网上都是用 helowin/oracle_11g 三方镜像, 不太好用, 也不太靠谱, 这里用 Oracle 官方方案 awesome-docker/oracle-docker at main · yiyungent/awesome-docker Docker https://container-registry.oracle.com/ 登录账号点击 Database
日期 2023-06-12 10:48:40
ORA-00402: database changes by release string cannot be used by release string ORACLE 报错故障修复远程处理
ORA-00402: database changes by release string cannot be used by release string ORACLE 报错故障修复远程处理文档解释 ORA-00402: database changes by release string cannot be used by release string Cause: Chan
日期 2023-06-12 10:48:40
ORA-00720: ALTER DATABASE RESET COMPATIBILITY command has been de-supported ORACLE 报错故障修复远程处理
ORA-00720: ALTER DATABASE RESET COMPATIBILITY command has been de-supported ORACLE 报错故障修复远程处理文档解释 ORA-00720: ALTER DATABASE RESET COMPATIBILITY command has been de-supported Cause: ALTER DATA
日期 2023-06-12 10:48:40
ORA-00725: Desupported ALTER DATABASE SET STANDBY clause specified: string ORACLE 报错故障修复远程处理
ORA-00725: Desupported ALTER DATABASE SET STANDBY clause specified: string ORACLE 报错故障修复远程处理文档解释 ORA-00725: Desupported ALTER DATABASE SET STANDBY clause specified: string Cause: A deprecated
日期 2023-06-12 10:48:40
ORA-00750: database has been previously mounted and dismounted ORACLE 报错故障修复远程处理
ORA-00750: database has been previously mounted and dismounted ORACLE 报错故障修复远程处理 ORA-00750: database has been previously mounted and dismounted Cause: The instance has already mounted and dismou
日期 2023-06-12 10:48:40
ORA-01101: database being created currently mounted by some other instance ORACLE 报错故障修复远程处理
ORA-01101: database being created currently mounted by some other instance ORACLE 报错故障修复远程处理文档解释 ORA-01101: database being created currently mounted by some other instance Cause: Some other i
日期 2023-06-12 10:48:40
ORA-01107: database must be mounted for media recovery ORACLE 报错故障修复远程处理
ORA-01107: database must be mounted for media recovery Cause: An attempt to perform media recovery was made but the database is not mounted. Action: Mount the database. ORA-01107: database must b
日期 2023-06-12 10:48:40
ORA-01109: database not open ORACLE 报错故障修复远程处理
ORA-01109: database not open Cause: A command was attempted that requires the database to be open. Action: Open the database and try the command again 1.您尝试以某种方式访问数据库（例如执行某种SQL语句），但没有使用 STARTUP 命
日期 2023-06-12 10:48:40
ORA-01116: error in opening database file string ORACLE 报错故障修复远程处理
ORA-01116: error in opening database file string Cause: Usually the file is not accessible. Action: Restore the database file. ORA-01116: error in opening database file string的官方解释是：当Oracle在尝试打
日期 2023-06-12 10:48:40
ORA-01126: database must be mounted in this instance and not open in any instance ORACLE 报错故障修复远程处理
ORA-01126: database must be mounted in this instance and not open in any instance ORACLE 报错故障修复远程处理文档解释 ORA-01126: database must be mounted in this instance and not open in any instance Cause
日期 2023-06-12 10:48:40
ORA-01138: database must either be open in this instance or not at all ORACLE 报错故障修复远程处理
ORA-01138: database must either be open in this instance or not at all ORACLE 报错故障修复远程处理 ORA-01138: database must either be open in this instance or not at all Cause: The requested operation can
日期 2023-06-12 10:48:40
ORA-01155: the database is being opened, closed, mounted or dismounted ORACLE 报错故障修复远程处理
ORA-01155: the database is being opened, closed, mounted or dismounted ORACLE 报错故障修复远程处理 ORA-01155: the database is being opened, closed, mounted or dismounted Cause: The requested operation nee
日期 2023-06-12 10:48:40
ORA-01158: database string already mounted ORACLE 报错故障修复远程处理
ORA-01158: database string already mounted Cause: Another instance has a database by this name mounted. Action: Find which instance is still running. Perhaps you have not lost the control files afte
日期 2023-06-12 10:48:40
ORA-01161: database name string in file header does not match given name of string ORACLE 报错故障修复远程处理
ORA-01161: database name string in file header does not match given name of string ORACLE 报错故障修复远程处理文档解释 ORA-01161: database name string in file header does not match given name of string Cau
日期 2023-06-12 10:48:40
ORA-01183: cannot mount database in SHARED mode ORACLE 报错故障修复远程处理
ORA-01183: cannot mount database in SHARED mode Cause: Some other instance has the database mounted exclusive. Action: Shutdown other instance then mount shared. 这是Oracle数据库管理系统（RDBMS）中一个常见的错误，标识
日期 2023-06-12 10:48:40
ORA-01228: SET DATABASE option required to install seed database ORACLE 报错故障修复远程处理
ORA-01228: SET DATABASE option required to install seed database ORACLE 报错故障修复远程处理 ORA-01228: SET DATABASE option required to install seed database Cause: The SET DATABASE option was not include
日期 2023-06-12 10:48:40
ORA-01242: data file suffered media failure: database in NOARCHIVELOG mode ORACLE 报错故障修复远程处理
ORA-01242: data file suffered media failure: database in NOARCHIVELOG mode ORACLE 报错故障修复远程处理文档解释 ORA-01242: data file suffered media failure: database in NOARCHIVELOG mode Cause: The database
日期 2023-06-12 10:48:40
ORA-01257: cannot reuse database file string, unknown file size ORACLE 报错故障修复远程处理
ORA-01257: cannot reuse database file string, unknown file size ORACLE 报错故障修复远程处理 ORA-01257: cannot reuse database file string, unknown file size Cause: The size of the raw partion cannot be det
日期 2023-06-12 10:48:40
ORA-01300: writable database required for specified LogMiner options ORACLE 报错故障修复远程处理
ORA-01300: writable database required for specified LogMiner options ORACLE 报错故障修复远程处理 ORA-01300: writable database required for specified LogMiner options Cause: Options were specified which re
日期 2023-06-12 10:48:40
ORA-01586: database must be mounted EXCLUSIVE and not open for this operation ORACLE 报错故障修复远程处理
ORA-01586: database must be mounted EXCLUSIVE and not open for this operation ORACLE 报错故障修复远程处理文档解释 ORA-01586: database must be mounted EXCLUSIVE and not open for this operation Cause: Attemp
日期 2023-06-12 10:48:40
ORA-01621: cannot rename member of current log if database is open ORACLE 报错故障修复远程处理
ORA-01621: cannot rename member of current log if database is open ORACLE 报错故障修复远程处理 ORA-01621: cannot rename member of current log if database is open Cause: This is a rename command for a memb
日期 2023-06-12 10:48:40
ORA-01697: control file is for a clone database ORACLE 报错故障修复远程处理
ORA-01697: control file is for a clone database Cause: Attempting to mount a clone database without the appropriate command option to designate a clone database. Action: Use the clone option or appr
日期 2023-06-12 10:48:40
ORA-01970: You must specify a database name for CREATE CONTROLFILE ORACLE 报错故障修复远程处理
ORA-01970: You must specify a database name for CREATE CONTROLFILE ORACLE 报错故障修复远程处理 ORA-01970: You must specify a database name for CREATE CONTROLFILE Cause: Missing a database name Action: Re
日期 2023-06-12 10:48:40