Most enterprises have already moved most of their IT estate to the cloud. Oracle and SQL Server are the exception, the last mission-critical workloads to move and the ones keeping the data center open and on the books. This ebook follows six enterprises across transportation, oil and gas, healthcare, energy and utilities, insurance, and apparel retail as they moved those estates to Azure, AWS, and Google Cloud. Each one had a different engine, a different target cloud, and a different deadline. Each chapter covers the estate as it stood, the constraint that shaped the plan, and the measured outcome. The final section pulls out the four practices common to every clean move.
What is inside
A Fortune 250 freight railroad's exit from 500+ one-per-server Oracle RAC databases to Azure under a two-year data center mandate, with 40% lower infrastructure cost and utilization from 15% to 60%
How a European oil and gas producer took close to 1,000 SQL Servers back in-house, proving the approach on a revenue-tied drilling platform of 25 instances and around 400 databases first
A healthcare data platform that moved 67.5 TB across 18 databases to AWS and upgraded 11g to 19c inside the same twelve-hour cutover, with HIPAA compliance unbroken
A smart-metering company moving Oracle off Windows onto Google Cloud, which has no native managed Oracle, holding 99.99% availability and sub-second ingestion throughout
A Fortune 500 insurer that closed 33 data centers four months ahead of a $1.5B modernization schedule by automating 85% of database operations
A Fortune 500 apparel brand's four-week POC and one-year phased move of around 200 Oracle databases behind 11 Tier 1 applications, against a VMware renewal and lease expiry
The four-point playbook every one of these teams followed: keep a way back, consolidate as you move, prove it on the hardest thing first, and phase against real dates
Who is this for
This ebook is written for the people who own the decision to move Oracle and SQL Server: IT leaders, database architects, and infrastructure teams working against a data center exit, a licensing renewal, or a modernization mandate. It is not a technical how-to. It is six worked examples of what the move actually looked like, including what each team chose to prove first and how they phased the cutover. Use it to pressure-test your own plan against estates that faced the same constraints.
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