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Use PHP to manipulate Oracle LOB data. Source: anyone who has used Oracle in the IT computer tutorial knows that there is a data type in Oracle called VARCHAR2, which is used to indicate an indefinite string. VARCHAR2 is also recommended by Oracle companies. Source: IT compu
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/oracle/bakup/database/oralife. ctl' reuse; -- Reuse is used to overwrite the original control file copy. Database altered. -- Manually delete all control file simulated file loss SQL> ho rm/oracle/10g/oracle/product/10.2.0/oradata/oralife/*. ctl; -- Use evan to log on and add data SQL> conn evan/evan Connected. SQL> select * from t_evan; TEXT --------------
IT tutorial sharing ~ PHP, Linux, HTML and other tutorials! IT tutorial sharing ~! PHP/Linux/html/JS/mobile game development/MySQL/and other tutorials ~!Don't talk nonsense, go to resources:New Linux Video Tutorial: http:
So far, oracle databases are the most difficult to install among the many software I have installed in linux. Fortunately, just after I successfully installed oracledatabase So far, oracle databases are the most difficult to install among the many software I have installed in linux. Fortunately, just after I successful
This article uses the interface installation method, applies to the LAN Remote Installation Oracle and installs directly on the Linux server. Through the Internet environment installation has not been tested, the Internet environment by silent installation is better. This article is installed through the red Hat Enterprise Linux 6 64-bit system, Centos 6.6 system
30分 to perform ordatabak.sh backup files with Oracle users : wq! #保存退出 Service Crond Restart #重启crond Every day 2:30 A.M., the database is automatically backed up into the/backup/oracledata/osyunwei directory, saved as a. tar.gz compressed file, and a backup of 7 days ago is deleted, leaving only the last 7 days of data. Note: All of the above codes are entered in the English half-width state. At this point, Linux
It's really easy. Procedure Modify the RedHat-release file: Red Hat Enterprise Linux 4 Modify the profile file: Add appropriate environment variables: ORACLE_HOME, oracle_sid, etc. Create the oracle_setup directory accordingly. Set the permission to 777. Create the ORACLE_HOME directory accordingly. Set the permission to 777. Create a DBA User Group Create an oracle user and join the DBA grou
= 4194304Net.core.wmem_default = 262144Net.core.wmem_max = 262144Fs.file-max = 6553600Make the configuration file effective/sbin/sysctl-pAdd the following command to/etc/security/limits.confOracle Soft Nproc 2047Oracle Hard Nproc 16384Oracle Soft Nofile 1024Oracle Hard Nofile 65536Add the following command to/etc/pam.d/loginSession required/lib64/security/pam_limits.soSession Required Pam_limits.soFor Bourne,bash or Korn shell add the following command to the file/etc/profileif [$USER = "
Iot framework ServerSuperIO tutorial-19. device drivers and OPC Client Support persistence of mysql, oracle, sqlite, and sqlserver. V3.6.4 released, sqlite persistent 19. The device driver and OPC Client Support persistence of mysql, oracle, sqlite, and sqlserver. 19.1 Overview ServerSuperIO supports writing data collected by device drivers and OPC clients to mys
A friend asked me to back up the database with exp at every night to the specified directory and automatically delete the data backed up one week ago. A friend asked me to back up the database with exp at every night to the specified directory and automatically delete the data backed up one week ago. A friend asked me to back up the database with exp at every night to a specified directory and automatically delete the data backed up one week ago, record and share the process only. For the c
A friend asked me to back up the database with exp at every night to a specified directory and automatically delete the data backed up one week ago, record and share the process only. For the case of Oracle automatic backup on Linux (using RMAN), see Environment:Operating System: RHEL5.4Database: Oracle 10.2.0Related variable values:ORACLE_BASE =/u01/app/oracleOR
Vboxmanage storageattach ol6-121-rac1--storagectl "SATA"--port 5--device 0--type HDD--medium ASM_ACFS_3G_01.VDI- -mtype shareableVboxmanage storageattach ol6-121-rac1--storagectl "SATA"--port 6--device 0--type HDD--medium ASM_ACFS_3G_02.VDI- -mtype shareableVboxmanage storageattach ol6-121-rac1--storagectl "SATA"--port 7--device 0--type HDD--medium ASM_ACFS_3G_03.VDI- -mtype shareableVboxmanage storageattach ol6-121-rac2--storagectl "SATA"--port 5--device 0--type HDD--medium ASM_ACFS_3G_01.VDI
After installing Oracle 10g R2 in centos 6.3 and restarting it, you will find that Oracle is not started on your own. This is normal because Oracle Installation in Linux does not start on your own, you must set relevant parameters. First, we will introduce how to start oracle
I recently used the vmwarevm to perform ORACLE Database experiments. We all know that on WINDOWS, I can add and delete programs to automatically delete all installed applications, however, this service is not available in LINUX for automatic deletion, so I tried to manually delete the ORACLE database. The procedure is as follows: 1. First, check the ORACLE_SID an
Installed Ubuntu 12.04 64bit, want to install Oracle 11GR2 on the above, find a lot of documents on the Internet did not succeed, and finally fully reference the Mordicusetcubitus article.Key points for a successful installation: Install additional packages, which handles the wrong method during link.Original: Http://www.makina-corpus.org/blog/howto-install-oracle-11g-ubuntu-
Linux Oracle service starts and stops scripts and starts automatically. After installing Oracle 10g R2 in CentOS 6.3 and restarting it, you will find that Oracle is not started on your own. This is normal because Oracle Installation in L
SQL statement concise tutorial for linux --- TRIM, SQL concise tutorial --- trim The TRIM function in SQL is used to remove the character header or end of a string. The most common purpose is to remove the leading or trailing blank spaces. This function has different names in different databases: MySQL: TRIM (), RTRIM (), LTRIM ()
1. download Oracle10g to describe my environment in detail. The system is RedHatEnterpriseLinuxAS5.4, and the database is OracleDatabase10gRelease2 (10.2.0.1 ). Oracle go to the official website download, click to download http://www.2cto.co... 1. Download Oracle 10gFirst, describe in detail my environment, system: Virtual Machine Red Hat Enterprise Linux AS 5.4,
On the Linux platform, there are several steps to manually create a database: 1. Confirm the unique instance and database name; 2. Select the character set of the database; 3. Set the OS environment variables; 4. Create the initialization parameter file; 5. Start the instance to the nomount state; 6. Execute the create database Command. 7. run at least two script files. test condition description: a database orcl has been created at the beginning of
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