Oracle has come up with a feature called virtual index in oracle 9i. This feature allow us to test an index on a table without actually adding an index on the table. The table will be visible only in our session and will be used by our queries only (if optimizer decide it to use). […]
Articles Tagged: Oracle 18c
Recover controlfile
Controlfiles saved at least in 2 locations. If one of them is corrupted then you can copy from other one after shutdown database. In this case I will show you how to recover from autobackup via RMAN. So you need CONFIGURE CONTROLFILE AUTOBACKUP ON; in RMAN and you should have full backup database. It can […]
Difference between .bashrc and .bash_profile
Difference Between .bashrc and .bash_profile : We use .bashrc and .bash_profile frequently to set environment for Oracle. Here is the difference between both files ,which file is used when . location of .bashrc : /home/username/.bashrc location of .bash_profile : /home/oracle/.bash_profile .bashrc : This file is executed for non-login shells . .bash_profile : This file is executed […]
Oracle Engineered System MiniCluster S7-2 installation, step by step, short info
Here , I will write about how to initial software setup MiniCluster S7-2. (short guide) Pre-Installation Checklist DNS server NTP server at least 12 ip addresses for initial setup. Additional 7 ip addresses for 2 nodes RAC setup. (3 scan , 2 vm, 2 vip) More IP addresses for additional virtual machines or more grid […]
Flashback Technology
Flashback Technology in Oracle : Oracle Flashback Technology is a group of Oracle Database features that let you view past states of database objects or to return database objects to a previous state without using point-in-time media recovery. Today we will see following feature of Flashback Technology : 1. Oracle Flashback Query . 2. Flashback […]
Running Oracle on Docker
I must thank my fellow DBA Franky Weber Faust for his publication in his blog. If you want to know about Basic about Docker in the Oracle Hi everyone, here in a very brief post I will show you how to upload Oracle in a Docker container. Following the DevOps wave, this week I’m doing a course and knowing […]
Storage Volumes and File System Layout in Oracle Cloud
This section provides information about the storage volumes and file system layout of a newly created database deployment on Oracle Database Cloud Service. Compute Cloud Service Storage Volumes When a Database Cloud Service deployment is created using the Oracle Database Cloud Service service level, the following storage volumes are created. Storage Volume Description bits 60 GB volume completely […]
Explain usage of different users in Oracle Cloud
This article provides information about Linux user accounts that are provisioned on Oracle Database Cloud Service. Every Database Cloud Service compute node is provisioned with the following operating system user accounts. Both compute nodes are provisioned with the following operating system user accounts. opc: The system administrator account you use with the sudo command to perform operations that […]
List of other Certification earned
Skant Gupta is certified for: Microsoft Microsoft® Certified Technology Specialist: SQL Server® 2005 Microsoft® Certified Solutions Associate: Office 365 (MCSA) Microsoft® Specialist: Server Virtualization with Windows Server Hyper-V and System Center Specialist Microsoft® Certified Professional IBM IBM Certified Deployment Professional – Tivoli Directory Server V6.1 IBM Certified Associate Developer — Rational Application Developer for WebSphere Software […]
Oracle Exadata 18c and Database Machine X7-2
Oracle Exadata Database Machine consists of Oracle Database servers, Exadata Storage Servers, and the network components to connect to your network. Oracle Exadata Database Machine is available as a full rack, half rack, quarter rack or eighth rack. The following table lists the components included for each type of Oracle Exadata Database Machine. Components of […]