Critical migration
Engine change, cloud move, upgrade, short cutover window, rollback and transition oversight
Senior DBA • critical production • migration • architecture
Secure your critical databases, migrations and architecture choices
DBlink steps in where mistakes are costly: production, migration, upgrades, performance, security and modernization. 25 years of hands-on experience to frame fast, arbitrate well and execute without improvisation.
Oracle
PostgreSQL
SQL Server
MySQL
MariaDB
MongoDB
SQL & NoSQL
DataOps
Cloud & on-premise
Our interventions
Three clear offers to frame, migrate or reinforce
Rapid audit, critical migration leadership or targeted reinforcement: simple formats to activate depending on risk level, project tempo and team availability.
Rapid audit
In a few days: current-state review, risk points, priority actions and decision points ready to be shared
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Critical migration leadership
Preparation, target design, rehearsals, cutover, rollback and secured production transition
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Senior DBA reinforcement
Immediate senior support during a sensitive period: incident, overload, transition or run stabilization
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When to bring DBlink in
High-stakes topics where senior expertise truly changes the outcome
DBlink supports organizations that need to modernize or secure their data estate without exposing production. The goal stays the same: decide faster, execute cleanly and reduce operational risk.
Performance & capacity
Focused diagnostics, latency reduction, tuning, indexing, partitioning, architecture trade-offs and readiness for real load
Security & compliance
Hardening, encryption, access management, reduced exposure and alignment with governance requirements
Architecture & modernization
Architecture redesign, cloud / on-premise hybridization, run stabilization, observability and a realistic modernization path
Expertise
A clear scope, useful to leadership and credible to technical teams
An expertise that is readable for leadership and precise enough to speak immediately to teams running production, infrastructure and transformation projects.
Migration & modernization
Audit, logical or physical replication, cutover, rollback, transition security and team guidance
Performance & production
Query tuning, indexing, partitioning, replication, high availability and resolution of high-impact incidents
Security by design
Encryption, RBAC, audit, compliance, access governance, traceability and operational best practices
Governance & observability
Retention policies, logging, monitoring, alerting and targeted interfaces with the broader data ecosystem
Technologies & environments
SQL, NoSQL, open source, DataOps,cloud and on-premise
Coverage spanning critical relational platforms, DataOps, and both cloud and on-premise environments
With the same goal throughout: keep production under control, choose the right technical levers and anchor the stack in a realistic modernization path
Direct involvement
The same person frames, arbitrates and delivers
From analysis to delivery
Actionable recommendations, then a framed implementation when it is time to go further
Built for production
Availability, security, performance and run stability are handled within the same frame
Case studies
A few representative intervention contexts
Topics delivered in sensitive environments, with real constraints around availability, security, compliance and IT transformation.
Banking / payments
SQL Server vers PostgreSQL
Migration on a transactional environment with lower project risk, better license cost control and a framed application recovery path
Banking
Upgrade & infrastructure change
PostgreSQL upgrade with cutover rehearsals, application compatibility validation and secured post-migration run
Media
20 TB MongoDB migration
Infrastructure change and continuity of ingestion flows at high volume, with recovery preparation and secured operations
Media
Sales chain, search & collection access
Index and query optimization, better observability and more reliable run on a sensitive sales chain, with search and collection-access challenges
Retail
Oracle 12c to PostgreSQL 16
Logical replication, progressive exit path and controlled cutover to reduce license dependence without exposing production
SaaS
MySQL 5.7 to MariaDB 11
Migration on a Galera cluster with controlled service recovery, open-source rationalization and improved maintainability
Industry
HA / DR redesign
Review of replication, backup, restore, recovery testing and observability on critical databases for business continuity
Regulated sector
Security & traceability
Hardening, encryption, RBAC, logging and reduced exposure in environments with strong control requirements
Sven-Eric, founder of DBlink
About
Senior expertise, with no middle layer
DBlink supports organizations on their most sensitive database topics: production, migration, performance, security, architecture and modernization.
The same person frames, arbitrates and delivers. This closeness avoids the tunnel effect between presales and delivery, and makes dialogue easier with leadership, infrastructure, operations and application teams.
Direct involvement
French / English
On site or remote
Critical production
Contact
Let’s discuss your context, your priorities and the right intervention
Describe your topic: migration, incident, audit, performance, architecture or security. Reply within 24 business hours.