What is the difference between an 11g and 12c oracle database?

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Nazia Khanum

As a registered tutor on UrbanPro.com specializing in Database Training, I'm frequently asked about the distinctions between Oracle 11g and 12c databases. Let's delve into the key differences to provide a comprehensive understanding. Oracle Database 11g: Overview: Introduced in 2007. The "g" stands...
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As a registered tutor on UrbanPro.com specializing in Database Training, I'm frequently asked about the distinctions between Oracle 11g and 12c databases. Let's delve into the key differences to provide a comprehensive understanding. Oracle Database 11g: Overview: Introduced in 2007. The "g" stands for "grid computing." Architecture: Follows a client-server architecture. Notable features include Automatic Storage Management (ASM) and Real Application Testing. Multitenant Option: Absence of a multitenant architecture. Each instance manages a single container database (CDB). Security: Limited security features compared to 12c. Oracle Advanced Security is a separate option. Cloud Integration: Limited cloud integration capabilities. Predates Oracle's major focus on cloud services. Oracle Database 12c: Overview: Released in 2013. The "c" signifies "cloud." Architecture: Introduces a multitenant architecture. Allows the creation of pluggable databases (PDBs) within a container database (CDB). Multitenant Option: Embraces a multitenant architecture. Offers better resource utilization and easier management of multiple databases. Security: Enhanced security features. Oracle Advanced Security is integrated into the Enterprise Edition. Cloud Integration: Designed with a cloud-first approach. Improved integration with Oracle Cloud services. Key Differences: Multitenancy: 11g lacks multitenant architecture; 12c introduces it for improved database consolidation. Architecture: 12c emphasizes a cloud-oriented approach, supporting the growing trend towards cloud-based solutions. Security: 12c provides enhanced security features, with Oracle Advanced Security integrated into the Enterprise Edition. Cloud Integration: While 11g has limited cloud integration, 12c is designed with a cloud-first approach, aligning with modern cloud computing trends. Conclusion: Choosing between Oracle 11g and 12c depends on specific requirements. While 11g remains a robust option, 12c's advancements in architecture, security, and cloud integration make it a preferred choice for those seeking the latest innovations in Oracle database technology. For personalized guidance and comprehensive Database Training, consider enrolling in the best online coaching for Database Training to stay ahead in your learning journey. read less
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