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Multitenant : Connecting to Container Databases (CDB) and Pluggable Databases (PDB) in Oracle Database 12c Release 1 (12.1) The multitenant option introduced in Oracle Database 12c allows a single container database (CDB) to host multiple separate pluggable databases (PDB). This article describes how to connect to container databases (CDB) and pluggable databases (PDB). Connecting to a Container D
Introduction Configuring HugePages Force Oracle to use HugePages (USE_LARGE_PAGES) Disabling Transparent HugePages (RHEL6/OL6 and RHEL7/OL7) Configuring 1G Hugepagesize Introduction For large SGA sizes, HugePages can give substantial benefits in virtual memory management. Without HugePages, the memory of the SGA is divided into 4K pages, which have to be managed by the Linux kernel. Using HugePage
Oracle Database 12c Release 1 (12.1) Installation On Oracle Linux 7 (OL7) Oracle Linux 7 is a production release, but Oracle Database 12c is only supported on it from (12.1.0.2) onward. This installation should not be used for a real system when using 12c database versions prior to 12.1.0.2. This article describes the installation of Oracle Database 12c Release 1 (12.1) 64-bit on Oracle Linux 7 (O
Both ASM and NFS individually provide shared storage for use with RAC installations, but the two technologies can be combined allowing ASM to access files shared over NFS. Why would you want to do this? In most cases you probably wouldn't. If you are using NFS already, adding in the ASM layer is an unnecessary complication, but there are some situations where it might be useful: You want to take a
Oracle Database 11g Release 2 (11.2.0.3) RAC On Oracle Linux 6.3 Using VirtualBox This article describes the installation of Oracle Database 11g release 2 (11.2.0.3 64-bit) RAC on Linux (Oracle Linux 6.3 64-bit) using VirtualBox (4.2.6) with no additional shared disk devices. Introduction Download Software VirtualBox Installation Virtual Machine Setup Guest Operating System Installation Oracle Ins
Oracle Database 11g Release 2 RAC On Oracle Linux 5.8 Using VirtualBox This article describes the installation of Oracle Database 11g release 2 (11.2 64-bit) RAC on Oracle Linux (5.8 64-bit) using VirtualBox (4.2.6) with no additional shared disk devices. I've purposely left this as an 11.2.0.1 installation as this version is downloadable from OTN without the need for a My Oracle Support (MOS) CSI
Oracle Database 11g Release 2 RAC On Linux Using VMware Server 2 This article describes the installation of Oracle Database 11g release 2 (11.2 64-bit) RAC on Linux (Oracle Enterprise Linux 5 64-bit) using VMware Server 2 with no additional shared disk devices. Introduction Download Software VMware Server Installation Virtual Machine Setup Guest Operating System Installation Oracle Installation Pr
Oracle Database 10g Release 2 (10.2.0.1) Installation On Red Hat Enterprise Linux 5 (RHEL5) In this article I'll describe the installation of Oracle Database 10g Release 2 (10.2.0.1) on Red Hat Enterprise Linux 5 (RHEL5). The article is based on a server installation similar to this, with a minimum of 2G swap, secure Linux disabled and the following package groups installed. GNOME Desktop Environm
Latest Articles Staging Tables in Oracle Database 23c Oracle database 23c introduces the FOR STAGING clause in the CREATE TABLE command to create a variation of heap tables, which have optimal configuration for fast data ingestion. TLS and Wallet Enhancements in Oracle Database 23c Oracle 23c includes several enhancements to Transport Layer Security (TLS) and wallets, simplifying configuration, an
On occasion it is necessary to aggregate data from a number of rows into a single row, giving a list of data associated with a specific value. Using the SCOTT.EMP table as an example, we might want to retrieve a list of employees for each department. Below is a list of the base data and the type of output we would like to return from an aggregate query. Base Data: DEPTNO ENAME ---------- ---------
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Oracle Database 10g Release 2 (10.2.0.1) Installation On Fedora Core 5 (FC5) In this article I'll describe the installation of Oracle Database 10g Release 2 (10.2.0.1) on Fedora Core 5. The article is based on a Fedora Core 5 (FC5 X86) Server Installation with a minimum of 2G swap, secure Linux disabled and the following package groups installed. Editors Graphical Internet Administration Tools Bas
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