As soon as I opened the database and did nothing, I found that the hard drive lights went viral. Why? It is preliminarily determined that Oracle's scheduled task is running, but which one is running?
As soon as I opened the database and did nothing,
Include and require are used to include and run specified files. If the document type is not described in the official manual, can PHP include a non-PHP file? In practice, write a simple PHP file and include a js file. After the file is executed, no
For the strange data, the value of select is obviously 0.0140625, but it is not rounded down by round (vv, 6. It should be calculated as follows: 0.014063, but the actual result is: 0.0140
For the strange data, the value of select is obviously 0.0140
Error description of Oracle ErrorinwritingtodirectorytmpOraInstall
Oracle Installation Error in writing to directory/tmp/OraInstall Error description
The following error is prompted when installing Oracle:
[Oracle @ ora10g database]
This article mainly introduces two methods for determining the running status of a program using PHP in Linux. For more information, see. Sometimes, when writing scripts on the server, you often need to put them in crontab for regular operation.
Recently, due to the need to migrate the Oracle database, UTL_FILE_DIR settings (oracle11g, linux) are involved ). It is mainly used to output logs for executing stored procedures.
Recently, due to the need to migrate the Oracle database,
Use RMAN on Oracle11gR2 for full-database migration background: Database IPSID Port Database Version TargetDB192.168.1.133orcl152
Use RMAN on Oracle 11gR2 for full-database migration background: Database ip sid Port Database Version Target DB 192.168
When the MySQL System Database (mysql System Database) fails or a new mysql instance needs to be added, You need to initialize the mysql database. Command: usrlocalmysql
When the MySQL System Database (mysql System Database) fails or a new mysql
A. Use impdp and network_link1 to create dblinkcreatepublicdatabaselinkhrtestdbconnecttosystemidentified in the target database.
A. Use impdp and network_link 1 to create the database linkcreate public database link hrtestdb connect to system
This article mainly introduces a php zip compression class sharing. If you need a zip file, you can refer to the following function: compress the file into a ZIP file or a rar compressed package. The extension name can be customized.
Usage: First
We know that the binary log of the MySQL database records every clear or potentially changing SQL statement, so we can implement it based on the binary log.
We know that the binary log of the MySQL database records every clear or potentially
Using catalogdatabase to store rman backup metadata is very common in the production environment and is highly secure. The reponsitorydatabase and cata of gridcontrol can be
Using catalog database to store rman backup metadata is very common in the
We generally call URLs to download files, but this method cannot be used when ie can identify files opened, such as downloading an image or html webpage, in this case, you need to program a simple PHP file to download the source code. Although
Check the redo log switching frequency of Oracle. The two SQL statements have the same principle, and the second uses the statistical function.
Check the redo log switching frequency of Oracle. The two SQL statements have the same principle, and
Today, I improved some details of my blog, including modifying the "current position" on the topic page and Article Page ". In the past, there were very few columns, and they were done in an endless way (the name of the homepage> topic). Now there
GlobalEnqueueServicesDeadlock causes node restart
Global Enqueue Services Deadlock causes node restart
The error message in the log is as follows:Sun Sep 02 01:29:47 2012Global Enqueue Services Deadlock detected. More info in
Today, the customer reported that the query was slow. Because the query was in a production environment, the test was not allowed. Therefore, refer to the following blog to export the statistics to the test server for SQL statement optimization. 1.
Using MySQL dual master + keepalived is a very good solution. In the MySQL-HA environment, MySQL is mutually master-slave, which ensures data consistency between the two MySQL databases.
Using MySQL dual master + keepalived is a very good solution.
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