Oracle review, oracle
After I got back, I recorded several sets of videos, but I didn't know how to record them when I started recording them. If I recorded a few sets, I had nothing to do. I could record each set for dozens of minutes, in the process, I also read this part of the Oracle database, and gained a lot. learning is a process of repeated accumulation.
Summary of Oracle database architecture, oracle Architecture
Oracle DB Architecture An Oracle DB server consists of one Oracle DB and one or more database instances. An instance consists of a memory structure and background processes. Whenever an instance is started, a sha
Oracle data file structure, oracle Data Structure
Oracle data structures are divided into physical and logical structures.
Physical Structure: data block of the Operating System-> data file datafiles
Logical Structure: Minimum database block --> extent --> segement --> tablespace --> databases
One tablespace can have multiple datafiles, and one datafiles can b
Label:Preparing to install the Oracle database, refer to: http://blog.csdn.net/mchdba/article/details/430860371, workaround (1), ignore system prereqs[Email protected] database]# export display=192.168.121.218:1.0[Email protected] database]# Xhsot +-bash:xhsot:command not found[Email protected] database]# Xhost +Access control disabled, clients can connect from any host[Email protected] database]# su-oracle
(1) Select the most efficient table name order (valid only in the rule-based optimizer):The Oracle parser processes the table names in the FROM clause in a right-to-left order, and the FROM clause is written in the final table (the underlying table, driving tables) will be processed first, and in the case where the FROM clause contains more than one table, you must select the table with the fewest number of record bars as the underlying table. If you
The remote connection of Oracle database can be implemented in a variety of ways, this article mainly introduces four methods and considerations of remote connection, and through the examples to illustrate, then we begin to introduce.First case:If the Oracle server is installed on this machine, then there is not much to say, the connection is only the user name and password problem. However, be aware that t
Label:Recently began to learn OpenStack, because there is no environment, so do not know how to get started, so download the OpenStack for Oracle Linux version, ready to play (with Oracle account, hehe). This reference is still a lot of information on the Oracle website, I refer to the Ronen Kofman hands-on lab:getting Started with OpenStack on
The problem occurred when installing Oracle 10g. Later, I asked my roommates to re-send an Oralce 10g Client installation package and install it.
It was possible to use PL/SQL at the beginning. Later, due to work needs, an Oracle database backup was sent from an import colleague at a time, which was run in the command line
An error 6550 occurs when you use the IMP statement for import. The reason for online
Oracle HowTo: how to change the location of Oracle data files in Oracle Database in read-only mode. There are multiple ways to move the location of data files. I have introduced several methods before: Oracle HowTo: in non-archive mode, how does one change the data file location? O
OUI: OracleUniversalInstaller (OUI details can be google) My system: redhatenterpriseserver6.0 my oracle: 10g. 2.1
OUI: Oracle Universal Installer (OUI details can be google) My system: redhat enterprise server 6.0 my oracle: 10g. 2.1
OUI: Oracle Universal Installer (for details about OUI, refer to google)My syste
1. Install the operating system Oracle Enterprise Linux 5.2
2. Create a user
Create an oracle user, create a dba group and an oinstall Group[Root @ oel_11g ~] # Groupadd oinstall[Root @ oel_11g ~] # Groupadd dbaThen, create a directory/u01/app/oracle under the root directory. We plan to install the Oracle11G software in the/u01/app/
Oracle BASICS (II): user and permission management, and oracle permission management1. Create a user(1) simple creation 1. Permissions: only DBA users have permissions or create user system permissions 2. Syntax:
Create user Username identified by password;
The oracle password cannot start with a number.
3. instance: username-sam_sho and password-sam123
Cre
Recently, the company has changed the computer, and the 10 Gb memory is still quite powerful. First, the Oralce runtime environment is installed on the local machine. I thought it would be very smooth, but there were still some minor problems, record it and help you sort it out. It is also the beginning of the blog. I remember the first time I installed Oracle on Linux, I did not know how many days I had to spend, the installation package was incorrec
It is prohibited to modify anything that involves oracle during the production period ., Time period oracle
This article is the original article, reproduced please indicate the source: http://blog.csdn.net/msdnchina/article/details/44560623
Warning:
It is prohibited to modify anything that involves oracle during the production period.
Description:
A database in
Oracle Database permission management and oracle permission managementPermission management: the default three usernames and passwords in oracle 9: sys change_on_install // the Administrator with the highest permissions: system manager // normal administrator scott tiger // normal user in oracle 10, these three users a
Does the Oracle client need to be installed when php accesses a remote Oracle server? When php accesses a remote Oracle database server, does the php server need to install the Oracle client? ------ Solution ------------------ the server on which your php resides is installed with a client. For example, in linux, it mu
Ubuntu 14.04 Build php5+apache2+oracle Environment A recently developed project that uses Oracle for databases. Oracle itself supports Red Hat, and the support for Ubuntu is not good, and if Ubuntu needs to install Oracle, the system itself needs to do a lot of camouflage, so I'm only going to use the
object|oracle| Access ASP (Active Server Pages) is one of Microsoft's tools for developing Internet applications, a similar HTML (hypertext
Markup Language Hypertext Markup Language), script and CGI (Common Gateway Interface Universal Gateways Interface), but its operational efficiency is
Higher than CGI, programming is easier and more flexible than HTML, and program security and confidentiality are much better than script. Therefore, ASP is the curre
Tags: Oracle database NUMA support 11GR2Enabling Oracle NUMA support in the Oracle DB 11GR2 releaseReference text:Enable Oracle NUMA Support with Oracle Server Version 11gR2 (document ID 864633.1)Suitable for:Oracle database-enterprise edition-version 11.2.0.1 and laterOracl
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