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In datastage, there is a concept of partition, parallelism for node configuration. While, there is no concept of partition and parallelism in informatica for node configuration. Also, Informatica is more scalable than Datastage. Datastage is more user-friendly as compared to Informatica.
This guide describes how to complete a default installation of Oracle Database Client on a system that does not have any Oracle software installed on it. It describes how to install one of the following installation types:
The 64-bit Oracle Database Client software does not contain any 32-bit client binaries. If you require 32-bit client binaries on 64-bit platforms, then install the 32-bit binaries from the respective 32-bit client software into a separate Oracle home.
If you determined that the /tmp directory has less than 400 MB of free disk space, then identify a file system with at least 400 MB of free space and set the TMP and TMPDIR environment variables to specify a temporary directory on this file system:
If you have had an existing installation on your system, and you are using the same user account to install this installation, then unset the ORACLE_HOME, ORACLE_BASE, ORACLE_SID, TNS_ADMIN environment variables and any other environment variable set for the Oracle installation user that is connected with Oracle software homes.
If you have an existing Oracle Database Client 12c Release 1 (12.1.0.1) or later installed on your system, the Select Installation Mode screen is displayed. Select New Install to install Oracle Database Client software in a new location, or select Upgrade and follow the instructions in the \"Performing an In-place Oracle Database Client Upgrade\" section in Oracle Database Client Installation Guide for Linux to upgrade an earlier release of Oracle Database Client.
In the Create Inventory screen, you are prompted by the installer to specify the directory path for central inventory the first time you install Oracle software on your computer. Select the oraInventory Group Name of the operating system group that should own the Oracle Inventory directory (the Oracle Inventory group), and click Next.
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A database management system or DBMS is system software that can create, retrieve, update, and manage a database. It ensures the consistency of data and sees to it that it is organized and easily accessible by acting as an interface between the database and its end-users or application software. DBMS can be classified into four types:
OLTP: It stands for online transaction processing, and we can consider it to be a category of software applications that are efficient for supporting transaction-oriented programs. One of the important attributes of the OLTP system is its potential to keep up the consistency. The OLTP system often follows decentralized planning to keep away from single points of failure. This system is generally designed for a large audience of end users to perform short transactions. The queries involved in such databases are generally simple, need fast response time, and, in comparison, return in only a few records. So, the number of transactions per second acts as an effective measure for those systems.
OLAP: It stands for online analytical processing, and it is a category of software programs that are identified by a comparatively lower frequency of online transactions. For OLAP systems, the efficiency of computing depends highly on the response time. Hence, such systems are generally used for data mining or maintaining aggregated historical data, and they are usually used in multidimensional schemas.
2. If you are planning to run Oracle database / MiddleWare / E-Business on Intel/ Linux then select Oracle Linux. Because you get one support portal \"Metalink\" to manage your support issues for all the software components. In case you run RHEL, you will end up in managing Oracle and RHEL support separately.
Just the location of the repository for the most part. If you're running Oracle databases on RHEL I recommend purchasing Oracle X-8 hardware and running Oracle Enterprise linux instead, you will save a lot of money in the long run.The biggest advantages OEL has is that if you buy the Oracle hardware you get support for the OS for free. If you run databases on Oracle hardware your core licensing costs are usually cut in half. Oracle Linux on Oracle hardware also allows for the use of OVM (like vmware) The main disadvantage of the OVM over VMware is that the OVM software is still underdeveloped a little and requires a little more effort for disk functions.
System maintenance tasks include things like deleting old log files to save storage space or checking for system updates regularly to ensure system software is up to date and compliant. You can use cron jobs to schedule tasks that perform both of these actions. For example, your cron job may run every week or once a month to delete old log files depending on how fast your files are growing.
You might consider replacing cron with Airplane Schedules. Airplane is a fully-managed SaaS that abstracts away many of the difficult parts of maintaining cron jobs at scale. Engineers use Airplane as a simpler, safer, and more feature-rich job scheduler compared to alternatives like cron, Airflow, Heroku, or other enterprise schedulers. Creating a schedule in Airplane takes just minutes and you can get started for free. 1e1e36bf2d