Database Administrator

I have been listening to my tutor's lecture about Oracle these days. I always wanted to install one, but I didn't install it on my Fedora7. I tried it some time today. Refer to the online method, the installation is successful. Here are the specific

How to download and install PostgreSql in Linux: [Merge multiple objects to append][Root @ localhost ~] # Useradd S[Root @ localhost ~] # Passwd ipvs【PostgreSQLPlease refer to the following link for more information][Root @ localhost ~] #

In the application, the system prompts you to provide reference information to help you use the system correctly. However, when running Oracle form, the prompt information of the information line at the bottom of the screen is in English. When more

The following Linux runs Ubuntu 7.10 MySQL as 6.0a. The default Character Set installed in MySQL is liant1. To use uft8, you must set it every time. For convenience, you can change the default character set to uft8. The method is as follows:1.

Installation environment: VMware Workstation 5.5.3 Host hardware environment: AthlonXP 2000 +, 256*2/DDR400, ST80G, GeForce4 MX440 Select Other Linux 2.6.x for Linux created using VM After installation, the virtual machine environment is as

Because MySQL Databases usually store the core data of applications, data backup and recovery functions are essential, most Mature database management systems provide high-performance online data backup and Point-in-time recovery. However, as the

1. Install perl[Root @ Oracle mysqlreport-3.4a] # perl-v This is perl, v5.8.5 built for i386-linux-thread-multi Copyright 1987-2004, Larry Wall Perl may be copied only under the terms of either the Artistic License orGNU General Public License,

I am a beginner in Linux and have trouble installing PostgreSQL today. I need to install PostgreSQL8.2 now, but enter the command in the console: emerge PostgreSQL-pv to search for only PostgreSQL8.0. However, I need to install version 8.2, what

1. Source: http://vegan.net/tony/supersmack/ 2. installation: Note that during compilation, You can first copy the corresponding libmysqlclient. so. * To/usr/lib. 3. test: [Root @ DB_Backup smacks] # super-smack-d mysql select-key.smack 10

Set @ mycnt = 0;Select date_add ("2008-07-31", interval @ mycnt: = @ mycnt + 1 day) as day from t_prehandle_qeesoo_04 limit 31 The preceding SQL statement lists all the dates of January. In the preceding SQL statement, refers to the start date and

INSTALL the MySQL BINARY package according to the INSTALL-BINARY instructions. problems may occur in RedHat Linux. Other releases are not tested. Many people on the Forum are looking for a solution, I have an incorrect answer before, and I want to

A friend has a friend a few days ago. Due to project implementation, how long does it take to start Oracle on Linux? Their requirement is less than 10 seconds. Because the system may frequently lose power. At that time, I considered how to implement

How to configure HOST1 and HOST2 to log on without a password based on Oracle user ssh 1. login HOST1 as oracle, in ~ /. Ssh/Public id_rsa.pub and private key id_rsa Ssh-keygen-t rsa 2. login HOST2 as oracle, in ~ /. Ssh/Public id_rsa.pub and

Rchive log is fullORA-00257: How to Handle archiver error. Connect internal only, until freed error 1. Log On with the sys userSqlplus sys/pass @ tt as sysdba 2. Check the location of the archiv log.SQL> show parameter log_archive_dest;NAME TYPE

Problem description: The operating system of the server is CentOS 5.5. Many systems have been running on the server and PHP5.2.10 is installed. The stable yum installation source version of Centos5.X is 5.1.6 and does not comply with the latest

(1) lower_case_table_names ● Recommendation reason The GNU/Linux platform is case sensitive to names of databases, tables, stored procedures, and other objects. To reduce developer development costs, we recommend that you set this parameter so that

I. Requirements MongoDB version: 2.4.3Ubuntu version: 13.04Ii. Description 10gen provides MongoDB's. deb package version, making it easy to install on ubuntu. Although Ubuntu also provides a MongoDB package, the MongoDB version managed by its

Trigger is similar to procedure and function, but it cannot be displayed and called. It can only be triggered by an event and then automatically called by Oracle. generally, you can create a trigger for a table or view and trigger a trigger when you

When to use B + tree indexes Not all columns that appear under all query conditions need to be indexed. When to add B + tree indexes, my experience is that it makes sense to use B + tree indexes to access a small part of a table. For gender fields,

Encountered a ORA-01172, ORA-01151 error, asked about the storage failure caused the database to fail to start. Database Version: 10.2.0.1.0 [Oracle @ hhserverfs ~] $ Sqlplus/nolog SQL * Plus: Release 10.2.0.1.0-Production on Sat Jun 8 11:46:38 2013