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

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Nazia Khanum

Oracle Database Training Expert on UrbanPro.com Introduction As a seasoned Oracle Database tutor specializing in online coaching, I frequently encounter questions about the distinctions between Oracle 11g and 12c databases. Let's delve into the key differences to provide a comprehensive understanding. Oracle...
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Oracle Database Training Expert on UrbanPro.com Introduction As a seasoned Oracle Database tutor specializing in online coaching, I frequently encounter questions about the distinctions between Oracle 11g and 12c databases. Let's delve into the key differences to provide a comprehensive understanding. Oracle 11g Database 1. Architecture and Features Architecture: 11g follows the client-server architecture. Features: Notable features include Data Guard, Real Application Testing, and Advanced Compression. 2. Multitenant Option Absence: Oracle 11g does not have a multitenant architecture. Isolation: Each database operates independently. 3. Security Enhancements Role Separation: Limited separation of duties. Unified Auditing: Basic auditing features. 4. Editions Options: Standard Edition, Enterprise Edition, and Express Edition. Oracle 12c Database 1. Architecture and Features Architecture: Introduces a multitenant architecture with a container database (CDB) and pluggable databases (PDBs). Features: Emphasizes in-memory processing, Database as a Service (DBaaS), and improved security features. 2. Multitenant Option Presence: 12c introduces a multitenant architecture. Isolation: PDBs share the same infrastructure but are isolated from each other. 3. Security Enhancements Role Separation: Enhanced role separation and privileged user controls. Unified Auditing: Advanced unified auditing capabilities. 4. Editions Options: Standard Edition 2, Enterprise Edition, and Express Edition. Key Takeaways In summary, the shift from Oracle 11g to 12c signifies a significant evolution in database architecture, features, and security. The introduction of the multitenant option in Oracle 12c allows for more efficient resource utilization and easier management of multiple databases within a single container. Choosing the Best Online Coaching for Oracle Training When seeking the best online coaching for Oracle Training, consider tutors who are well-versed in both 11g and 12c. Look for trainers on platforms like UrbanPro.com who highlight their expertise in Oracle Database, ensuring they cover the nuances of both versions comprehensively. By choosing a tutor with expertise in both Oracle 11g and 12c, you ensure a well-rounded understanding of Oracle databases and stay abreast of the latest advancements in the field. read less
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