What is Oracle architecture in DBA?
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What is Oracle architecture in DBA?
An Oracle Real Application Clusters (Oracle RAC) database architecture consists of multiple instances that run on separate server machines. All of them share the same database. The cluster of server machines appear as a single server on one end, and end users and applications on the other end.
What is Oracle Database as a service?
Oracle Database Cloud – Database as a Service provides a platform to create full Oracle database instances in a virtual machine (VM). It’s the same familiar Oracle Database – now in a cloud.
What is ORaaS database?
OREKIT-as-a-Service (ORaaS), the first Web service which makes available the power and richness of OREKIT, the open-source flight dynamics library used by all major actors in the space domain.
What is the advantage of database as a service in OCI?
The service allows organizations to take advantage of database solutions without having to manage and maintain the underlying technologies. DBaaS is a cost-efficient solution for organizations looking to set up and scale databases, especially when operating large-scale, complex, and distributed app components.
What are the three major structures in Oracle Database server architecture?
There are three major structures in Oracle Database server architecture: memory structures, process structures, and storage structures. A basic Oracle database system consists of an Oracle database and a database instance.
What are the components of Oracle Database architecture?
All components such as Log Writer (LGWR), DB Writer (DBWR), Checkpoint (CKPT), Recovery Process (RECO), Lock Process (LCKn), Archive Process (ARCH), System Monitor (SMON), and Program Monitor (PMON) are referred to as an Oracle Background processes.
What is a database service?
Database as a service (DBaaS) is a cloud computing managed service offering that provides access to a database without requiring the setup of physical hardware, the installation of software or the need to configure the database.
What is the difference between service name and SID in Oracle?
Oracle SID is the unique name that uniquely identifies your instance/database, whereas the Service name is the TNS alias that you give when you remotely connect to your database, and this Service name is recorded in tnsnames.
What are the characteristics of using a database as a service?
DBaaS(Database as a service) is a cloud computing managed service offering model that enables users to set up, operate, manage and scale with some form of access to a Database without the need for setting it up on physical hardware, installing software, or configuring it for performance, Database management by …
What are the the pros and cons of database as a service?
What are the advantages and disadvantages of DBaaS?
| Advantages | Disadvantages |
|---|---|
| Reduced administrative effort | Data centers can temporarily be unavailable |
| Extensive reporting | Data protection and compliance guidelines depend on the location of the data center |
| High-performance data centers | |
| Hybrid solutions for sensitive data |
What is the difference between data as a service and database as a service?
BDaaS stands for Big Data as a Service. While you might be forgiven for thinking that this is exactly the same as DaaS, except bigger, it actually means something completely different and refers to the delivery of tools and technologies to analyze massive datasets, provided in a service model.
Is service name same as database name in Oracle?
Database name identifies database = database files on disk. Service name identifies database instance for Oracle Net i.e. for remote access to database instance.
What is difference between Oracle_base and ORACLE_HOME?
Both ORACLE_HOME and ORACLE_BASE are the directories which are located in OFA (Oracle Flexible Architecture) from which the ORACLE_BASE is the Home/Root/Top level directory and the ORACLE_HOME is located beneath the ORACLE_BASE directory where the oracle products reside or we can say that ORACLE_HOME is the …
Is Oracle a RAC?
Oracle Real Application Clusters (RAC) allow customers to run a single Oracle Database across multiple servers in order to maximize availability and enable horizontal scalability, while accessing shared storage.
