Oracle Database 23ai Migration to OCI

For Fortune 500 organizations, an Oracle Database migration is rarely just an infrastructure decision. It is a business transformation initiative that affects application availability, data security, operational continuity, performance, and long-term IT costs.

As enterprises evaluate Oracle Cloud Infrastructure (OCI) to modernize their database environments, the challenge is not simply deciding whether to move. It is determining how to migrate complex database workloads without disrupting mission-critical business operations.

Oracle Database 23ai introduced significant AI-focused capabilities, making it an important milestone in Oracle’s database evolution. Oracle subsequently introduced Oracle AI Database 26ai in October 2025, replacing 23ai as its latest long-term support release. Organizations evaluating 23ai migration strategies should therefore also consider their database version roadmap and the implications of the newer release.

This is where selecting the right Oracle cloud partners becomes critical.

A capable partner brings together database expertise, cloud architecture, migration planning, application dependencies, security, testing, and post-migration management. For large enterprises, these capabilities can make the difference between a technically successful migration and a genuinely successful cloud transformation.

IT Convergence helps enterprises navigate Oracle cloud transformation through its Oracle expertise, OCI services, migration strategies, and end-to-end managed services.

Why Are Enterprises Considering Oracle Database Migration to OCI?

Enterprise database environments have evolved considerably over the years. Many organizations still operate business-critical Oracle workloads on-premises, often supported by complex infrastructure, customized applications, and interconnected systems.

While these environments may continue to support business operations, maintaining them can introduce challenges around scalability, infrastructure refresh cycles, operational overhead, and disaster recovery.

Moving Oracle Database workloads to OCI provides an opportunity to address these challenges.

Key drivers behind Oracle Database migration

1. Infrastructure modernization

Organizations can reduce their dependence on aging infrastructure and evaluate cloud-based database platforms that better align with changing business requirements.

2. Scalability and resource flexibility

OCI provides infrastructure and database services that allow enterprises to provision and scale resources based on workload requirements.

3. Improved business continuity

Cloud migration planning can incorporate high availability, backup, and disaster recovery capabilities to strengthen operational resilience.

4. Operational efficiency

Managed database services and automation can help reduce routine infrastructure and database administration activities.

5. Future-ready data architecture

With Oracle’s evolution toward AI-native database capabilities, enterprises can assess how their database architecture supports emerging requirements around analytics, AI, and application development.

However, these benefits are not automatic. They depend on the target architecture, database configuration, workload characteristics, licensing, operational model, and migration strategy.

Oracle Database 23ai and the Transition to Oracle AI Database 26ai

Oracle Database 23ai marked a significant step in Oracle’s strategy to integrate AI capabilities directly into database technology.

The release introduced capabilities designed to simplify application development and enable enterprises to work with different types of data within a unified database environment.

Oracle announced Oracle AI Database 26ai, replacing Oracle Database 23ai as its latest long-term support release. Importantly, Oracle stated that existing 23ai customers could transition to the available 26ai features by applying the October 2025 Release Update, without requiring a separate database upgrade or application recertification.

For enterprises evaluating Oracle Database migration to OCI, this distinction matters.

The migration discussion should not focus exclusively on moving an existing database to the cloud. It should also consider the organization’s longer-term database strategy.

What should enterprises evaluate?

• Current Oracle Database version and patch level.
• Compatibility of existing applications and integrations.
• Database architecture and deployment model.
• Target OCI database service.
• Infrastructure and operating system dependencies.
• Security, compliance, and data governance requirements.
• Performance and availability expectations.
• Future database upgrade and release management strategy.

The objective is to ensure that the OCI migration supports both immediate infrastructure requirements and the organization’s future technology roadmap.

What Makes Oracle Cloud Infrastructure a Strategic Choice for Database Migration?

OCI offers multiple database deployment options, allowing organizations to select an architecture based on workload characteristics, performance requirements, operational preferences, and business priorities.

Rather than treating cloud migration as a one-size-fits-all exercise, enterprises should evaluate the available options against their existing database estate.

Key OCI database deployment considerations

Oracle Base Database Service

Suitable for organizations looking to run Oracle Database workloads on OCI-managed infrastructure while retaining control over database administration and configuration.

Oracle Exadata Database Service

Designed for demanding enterprise workloads that require high performance, scalability, and advanced database infrastructure capabilities.

Oracle Autonomous AI Database

An option for organizations looking to adopt a more automated database operating model, with managed capabilities for database administration and optimization.

Oracle Cloud@Customer

Relevant for enterprises that want Oracle Cloud database services within their own data center environments to address specific data residency, latency, or operational requirements.

The appropriate choice depends on workload characteristics, licensing, application dependencies, security policies, and the desired level of operational control.

What Does an Enterprise Oracle Database Migration to OCI Involve?

A successful migration requires a structured approach that addresses technical complexity and business continuity.

For large enterprises, migration planning should begin well before the actual database movement.

Phase 1: Database discovery and assessment

The first step is understanding the existing database environment.

This involves identifying:

• Database versions, sizes, and configurations.
• Operating systems and infrastructure dependencies.
• Application and integration dependencies.
• Database workloads and performance patterns.
• Backup and disaster recovery configurations.
• Security and compliance requirements.
• Licensing considerations.

The assessment helps determine which workloads are suitable for migration and which may require remediation or architectural changes.

Phase 2: Migration strategy and target architecture

Once the environment is understood, the next step is defining the migration approach.

Enterprises must determine:

• Which OCI database service best fits each workload?
• Should the migration be physical or logical?
• Is an online or offline migration appropriate?
• What downtime window can the business accommodate?
• Are database upgrades required?
• What changes are necessary to applications and integrations?

Oracle provides migration options such as OCI Database Migration and Zero Downtime Migration (ZDM). The appropriate method depends on the source environment, target database, downtime requirements, and migration constraints.

Phase 3: Migration execution

Migration execution involves provisioning the target environment, preparing the source database, configuring connectivity, transferring data, and managing the cutover.

Depending on the selected migration method, enterprises may use technologies such as:

• Oracle Recovery Manager (RMAN).
• Oracle Data Pump.
• Oracle GoldenGate.
• Oracle Zero Downtime Migration.
• OCI Database Migration Service.

The objective is to move database workloads while maintaining data integrity and meeting agreed business continuity requirements.

Phase 4: Testing and validation

A database migration is not complete simply because the data has been transferred.

Enterprises must validate the migrated environment before declaring the migration successful.

Key validation activities include:

• Data integrity and consistency checks.
• Application connectivity and functionality testing.
• Database performance benchmarking.
• Integration testing.
• Security and access validation.
• Backup and recovery testing.
• High availability and disaster recovery validation.

Testing is particularly important for organizations running interconnected enterprise applications where even minor database changes can affect downstream processes.

Phase 5: Optimization and ongoing management

Once the migration is complete, the focus shifts to ensuring that the OCI environment delivers the intended business and technical outcomes.

This includes:

• Database performance tuning.
• Resource utilization monitoring.
• Cost optimization.
• Security and patch management.
• Backup and disaster recovery management.
• Capacity planning.
• Ongoing database administration.

A well-planned post-migration operating model helps enterprises realize the long-term value of their OCI investment.

How Do You Choose the Right Oracle Cloud Partner?

For Fortune 500 organizations, choosing an Oracle cloud partner is as important as selecting the cloud platform itself.

Large-scale database migrations involve multiple stakeholders, complex dependencies, and significant business risks. A partner must bring more than infrastructure provisioning capabilities.

Here are five areas enterprise leaders should evaluate.

1. Proven Oracle expertise

Look for partners with extensive experience across Oracle technologies, including Oracle Database, OCI, Oracle applications, and enterprise infrastructure.

The ability to understand how databases interact with business-critical applications is particularly important.

2. Enterprise-scale migration capabilities

A migration partner should demonstrate its ability to assess complex environments, develop migration strategies, manage execution, and validate results.

Ask about previous enterprise migration engagements, workload complexity, and the methodologies used to manage business continuity.

3. End-to-end cloud capabilities

Migration should not be treated as an isolated project.

Look for partners that can support the entire cloud lifecycle, including:

• Cloud strategy and advisory.
• Infrastructure and database architecture.
• Migration and implementation.
• Integration and testing.
• Managed cloud services.
• Performance optimization.
• Security and disaster recovery.

4. Industry experience and enterprise proof points

Experience across industries can help partners understand the different regulatory, operational, and performance requirements associated with enterprise workloads.

Look for documented customer outcomes, relevant case studies, certifications, and measurable results.

5. Long-term operational support

The right partner should remain involved beyond migration cutover.

Database monitoring, infrastructure management, performance optimization, patching, and disaster recovery are essential components of a sustainable cloud operating model.

With over 1,700 customers across 70+ countries, including one-third of Fortune 500 companies, IT Convergence combines Oracle technology expertise with cloud infrastructure, migration, and managed services capabilities.

Its OCI capabilities extend beyond migration to include architecture, implementation, optimization, and ongoing cloud operations.

What differentiates IT Convergence?

Oracle partnership and credentials

IT Convergence is an Oracle Platinum Partner, an Oracle Cloud Excellence Implementer, and an Oracle Cloud Managed Service Provider. It also holds Oracle’s audited Cloud Solutions Provider Expertise designation.

End-to-end OCI services

From cloud advisory and migration planning to implementation and managed services, IT Convergence supports enterprises across different stages of their OCI journey.

Experience with complex enterprise environments

Its long-standing Oracle experience and work across global enterprise customers provide an understanding of the challenges associated with mission-critical Oracle environments.

Managed services beyond migration

IT Convergence supports ongoing cloud operations through services that include 24x7x365 operations, performance tuning, patching, Site Reliability Engineering, and cross-cloud disaster recovery testing.

Measurable business outcomes

IT Convergence publishes OCI-related outcome metrics, including a reported 393% average five-year ROI, a 13-month payback period, and 48% lower five-year operating costs.

For enterprises seeking Oracle cloud partners that can support both migration and long-term operations, this combination of Oracle expertise and cloud lifecycle capabilities is an important consideration.

Enterprise Oracle Database Migration: Questions to Ask Before Moving to OCI

Before committing to a migration partner or finalizing the target architecture, enterprise IT leaders should address several important questions:

• What is the current state of our Oracle Database environment?
• Which OCI database service is appropriate for each workload?
• Can we migrate without significant business disruption?
• Will our existing applications and integrations require changes?
• What are the infrastructure, licensing, and operational cost implications?
• How will we validate database performance after migration?
• What disaster recovery capabilities should be incorporated?
• Who will manage database operations after cutover?
• How will the migration support our longer-term Oracle database roadmap?

Answering these questions early helps reduce uncertainty and creates a more predictable migration strategy.

Choose an Oracle Cloud Partner That Looks Beyond Migration

Oracle Database migration to OCI is an opportunity for enterprises to rethink how their data infrastructure supports business growth, operational resilience, and future innovation.

However, moving workloads to the cloud is only one part of the transformation.

The real value comes from selecting the right database architecture, minimizing migration risk, validating application performance, and establishing an operating model that supports long-term optimization.

For Fortune 500 organizations, the right Oracle cloud partner should bring together technical depth, enterprise migration experience, cloud expertise, and ongoing operational support.

With its Oracle heritage, OCI capabilities, and end-to-end managed services portfolio, IT Convergence can help enterprises navigate this transformation with a structured, business-focused approach.

Frequently Asked Questions (FAQs)

1. What is Oracle Database 23ai migration to OCI?
   Oracle Database 23ai migration to OCI involves moving an existing Oracle Database environment from on-premises infrastructure or another hosting platform to Oracle Cloud Infrastructure. The process includes database assessment, target architecture planning, data migration, application validation, and post-migration optimization.
2. Is Oracle Database 23ai still supported?
   Oracle introduced Oracle AI Database 26ai in October 2025 as the successor to Oracle Database 23ai and its latest long-term support release. Oracle stated that customers can transition to available 26ai features through the October 2025 Release Update without a separate database upgrade or application recertification.
3. What are the benefits of migrating Oracle Database to OCI?
   Key benefits can include infrastructure modernization, resource scalability, improved availability options, operational automation, and access to Oracle Cloud Database services. Actual outcomes depend on the selected architecture and implementation.
4. How long does an Oracle Database migration to OCI take?
   There is no universal migration timeline. It depends on database size, complexity, number of workloads, network connectivity, application dependencies, testing requirements, and acceptable downtime. A detailed assessment is necessary to establish a realistic timeline.
5. What should enterprises look for in Oracle cloud partners?
   Enterprises should evaluate Oracle certifications, database migration experience, OCI architecture capabilities, security and compliance expertise, testing methodologies, customer references, and post-migration managed services.
6. Does Oracle Database migration to OCI require application changes?
   Not necessarily. Some environments can be migrated with minimal application changes, while others may require adjustments due to database versions, operating systems, connectivity, integrations, or architecture differences. Application compatibility should be assessed before migration.