Oracle Study -- RAW Device application in Oracle

Oracle Study -- RAW Device application in Oracle 1. What is a raw device) A bare device is a raw partition or raw logical volume that has not been created for a file system. An application accesses it directly through a character device driver. How

Notes on installing MySQL-Cluster 7.3.4 on CentOS 6.5

Notes on installing MySQL-Cluster 7.3.4 on CentOS 6.5 Install MySQL-Cluster 7.3.4 Process notes on CentOS6.5 (two days to search for various materials and test results ). In order to install the Cluster, the study took 2 days to complete, so the

Installation of MySQL automated O & M

Installation of MySQL automated O & M MySQL is usually installed using RPM or source code.RPM installation is fast and convenient. the disadvantage is that the installation directory cannot be customized. if you need to adjust the storage location

MySQL table lock wait

MySQL table lock wait Today, an online business problem occurs because a table with a simulated auto-incrementing sequence is locked and services related to the table are affected. Online Information: 1. This table has only one id field. 2. The

Restore A non-System File deleted by Oracle in archive Mode

Restore A non-System File deleted by Oracle in archive ModeAs we all know, our core production databases usually run in archive mode, not to mention configuring the DG Environment. Enabling archiving and ensuring that all archives are not lost can

Introduction to Oracle instance recovery and flashback

Introduction to Oracle instance recovery and flashback Instance recovery phase:1. data files are not synchronized 2. Roll Forward (redo)3. submitted and unsubmitted data in the file 4. Open the database 5. Roll Back (Restore undo) 6. submit data in

Oracle control file multiplexing

Oracle control file multiplexing 1. Oracle control file multiplexing 1. show parameter control-- View Control File InformationShow parameter spfile-- Check whether spfile exists.Create pfile from spfile;-- Generate pfileShutdown immediate-- Close

How to Use SQLyog to remotely connect to MySQL

How to Use SQLyog to remotely connect to MySQL 1. When the SQLyog client remotely connects to MySQL using the root user, the system prompts "Access Denied" and searches the internet for the reason. It turns out that MySQL does not authorize its

HP-UX install MySQL

HP-UX install MySQL 1. Environment Introduction HP-UX B .11.31 ia64 Operating System Installation medium: mysql-5.1.48-hpux11.31-ia64-64bit.depot.gz 2. Installation Process (1) Create mysql users and user groups # Groupadd mysql # Useradd-g

Account alias receiving transaction processing, account alias Transaction Processing

Account alias receiving transaction processing, account alias Transaction ProcessingZookeeper -- Account alias receptionSELECT mtl_material_transactions_s.nextvalINTO l_mtl_txn_itf_rec.transaction_interface_idFROM

Trigger and trigger instance

Trigger and trigger instance Although I have been familiar with triggers, I am not very thorough. Sometimes I still don't quite understand them. Now I want to add this blank space. The trigger content is basically as follows: Note: When a trigger

Redis for beginners (3) -- using Redis as the cache of Mysql database, redismysql

Redis for beginners (3) -- using Redis as the cache of Mysql database, redismysql After the Mysql result set is cached in the Redis string or hash structure, we are faced with a new problem, such as what these strings or hash names are, that is, how

Redis for beginners (2) -- using Redis as the Mysql database cache, redismysql

Redis for beginners (2) -- using Redis as the Mysql database cache, redismysql Two problems must be solved when Redis is used as the Mysql database cache. First, determine the data structure used to store data from Mysql. After determining the data

How to handle archived log files and RMAN log files when using rman backup

How to handle archived log files and RMAN log files when using rman backupI went to a customer yesterday to deploy RMAN backup. when I ran the shell script, I was prompted that I could not find the archive log, because the customer only performed

[Oracle] The oraclepsu upgrade process

[Oracle] The oraclepsu upgrade processThe following is the content in the PSU's readme file: 3.2 Patch Installation Instructions Follow these steps: If you are using a Data Guard Physical Standby database, you must install this patch on both the

Summary of Oracle parameter viewing methods and oracle parameter Summary

Summary of Oracle parameter viewing methods and oracle parameter Summary Oracle provides a large number of system parameters. The following is a summary of the query methods.Current System Parameter The current system parameters involve these views:

Difference between the four ranking functions of SQL and the four ranking functions of SQL

Difference between the four ranking functions of SQL and the four ranking functions of SQL /* The difference between the four ranking functions: RANK () returns the ranking of each row in the partition of the result set. The row ranking is the plus

[Oracle] OPatch upgrade, oracleopatch

[Oracle] OPatch upgrade, oracleopatch During the PSU upgrade, opatch prereq CheckConflictAgainstOHWithDetail-phBaseDir./12419378 Detection Error: Invoking prereq "checkconflictagainstohwithdetail" The location "./9352164/README.html" is not a

Manual PostgreSQL database initialization tutorial in windows, initialize postgresql

Manual PostgreSQL database initialization tutorial in windows, initialize postgresql Environment: win7 64 sp1PG: 9.3.5 1. Create the postgres user, and the password is also postgres: net user postgres postgres /add 2. Create a data directory under

SQL Server data migration to PostgreSQL error explanation and solution, serverpostgresql

SQL Server data migration to PostgreSQL error explanation and solution, serverpostgresql Problem reproduction: 1. PG client: postgres=# create table text_test (id int,info text);CREATE TABLEpostgres=# insert into text_test values (1,E'\0x00');ERROR:

Total Pages: 1013 1 .... 400 401 402 403 404 .... 1013 Go to: GO

Alibaba Cloud 10 Year Anniversary

With You, We are Shaping a Digital World, 2009-2019

Learn more >

Apsara Conference 2019

The Rise of Data Intelligence, September 25th - 27th, Hangzhou, China

Learn more >

Alibaba Cloud Free Trial

Learn and experience the power of Alibaba Cloud with a free trial worth $300-1200 USD

Learn more >

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.