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Andreas 'Andy' Zimmermann – Trusted Expert for SQL Server Solutions & Support From Germany

About Me

I was born and raised in Hannover, Germany. After completing high school, I briefly explored the (very boring) German tax law unsuccessfully before discovering my true passion for IT. Training as an IT Assistant specializing in Software Technology laid the foundation for a career spanning continents, industries, and diverse challenges.

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My Services

Comprehensive SQL Server Health Check
High Availability and Disaster Recovery Strategies
Cost-Effective Consolidation & Licensing Solutions
Performance Optimization for Mission-Critical Systems
Scalable Database Solutions Designed to Support Your Business
Your SQL Server environment is the backbone of your business, but unseen issues can impact performance, security, and reliability. My initial SQL Server Health Check is designed to uncover hidden problems and ensure your databases are running at their best. Leveraging years of experience, I perform a thorough analysis of your environment, examining configuration settings, performance metrics, security posture, and high availability readiness. Following the check, you’ll receive a detailed health report that outlines findings, identifies potential risks, and provides actionable recommendations to optimize your SQL Server environment. This service is the perfect starting point to unlock the full potential of your databases and demonstrate the value of proactive management. Let’s work together to make sure your SQL Server is in peak condition!
With years of hands-on experience designing and implementing robust high availability and disaster recovery (HA/DR) solutions, I ensure your business-critical systems remain operational under any circumstances. Whether setting up AlwaysOn Availability Groups, failover clusters, log shipping, or transactional replication, I craft solutions that safeguard your data and minimize downtime. My approach ensures that your databases remain resilient and recoverable, even in the face of unexpected failures. By proactively assessing risks, optimizing failover processes, and implementing industry-leading best practices, I create a seamless, highly available environment that supports continuous business operations. Let’s reinforce your database infrastructure so your business can stay online and competitive—no matter what!
Database sprawl and escalating licensing costs are major challenges for businesses of all sizes. With my proven expertise in SQL Server consolidation and virtualization, I help clients reduce costs, simplify management, and enhance performance. From consolidating over 5,400 databases into optimized clusters to deploying cutting-edge storage solutions, I deliver measurable savings while improving efficiency. My tailored strategies reduce licensing overhead, optimize hardware utilization, and streamline administration. By analyzing your current setup and future growth needs, I design a consolidation plan that maximizes resources while maintaining high availability and performance. Let’s optimize your infrastructure to be cost-effective, scalable, and easier to manage !

A slow database can bottleneck operations, leading to revenue loss, downtime, and frustrated users. My deep expertise in SQL Server performance tuning allows me to identify and resolve inefficiencies quickly. Whether partitioning massive datasets, optimizing queries, indexing strategically, or leveraging in-memory OLTP, I implement targeted solutions that deliver measurable improvements. I’ve optimized databases handling millions of daily transactions, cut resource costs by up to 75%, and dramatically reduced response times. By profiling workload patterns, tuning configurations, and addressing bottlenecks, I ensure your system runs at peak efficiency. Whether dealing with slow queries, deadlocks, or CPU-intensive workloads, I turn underperforming databases into high-speed, reliable engines that drive business success!

Every business has unique database needs, and scalability is critical for long-term success. I specialize in designing and implementing architectures that grow with your business—whether you’re a startup or managing enterprise workloads across multiple terabytes. From high-performance indexing strategies to load balancing and elastic scaling, I ensure your infrastructure can adapt to increasing demand. My solutions support expansion, high availability, and seamless integration with evolving technologies. Whether you’re launching new products, expanding globally, or integrating complex systems, I provide a structured, scalable approach that ensures reliability, flexibility, and maximum performance. Let’s build a database foundation that supports growth without compromising efficiency!

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I’ve helped companies optimize performance, scale securely, and reduce costs. See what’s possible for your SQL Server environment

From Bottlenecks to Breakthroughs – See the Proof

Case Studies

database development Company

Optimizing High-Traffic Database Environments for Enhanced Performance

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Optimizing High-Traffic Database Environments for Enhanced Performance

Scalable, high-performance solutions ensuring stability, speed, and efficiency for databases handling millions of users and massive workloads.

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database development services

Building a Scalable SQL Server Infrastructure for a SaaS Team

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Building a Scalable SQL Server Infrastructure for a SaaS Team

Designed for rapid growth—high-performance, flexible, and secure database solutions that evolve with your SaaS platform’s expanding demands.

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network technology company

SQL Server Consolidation and Virtualization for Campus Migration

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SQL Server Consolidation and Virtualization for Campus Migration

Reduced costs, optimized licensing, and streamlined management through smart consolidation and virtualization of critical database environments.

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Netzwerktechnologieunternehmen

Emergency SQL Server Support and Optimization

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Emergency SQL Server Support and Optimization

Rapid issue resolution, minimized downtime, and optimized performance—ensuring your mission-critical databases stay stable, secure, and efficient.

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Real Results. Real Feedback.

“Andy is one of the best SQL Server DBAs I’ve met in nearly 20 years. His clear and logical thinking in complex database issues, deep understanding of database design, and eƯiciency in implementation make him a standout expert.”

5
Grace Liang
Sr. DBA

“Andy has the rare combination of deep technical knowledge and the ability to work directly with teams that don’t share his expertise. Whether it’s longterm database strategy or urgent production issues, he always delivers the right solution.”

5
Jon Kose
Director of Software Architecture

“Andy finds innovative solutions even in budget-constrained environments. His technical approaches are practical, cost-effective, and exceed expectations. He turns challenges into high-value results time and again.”

5
Peter Wright
IT Leader

“Andy was instrumental in migrating thousands of databases to a new cluster. He understands both the current infrastructure and the best way to transition seamlessly.”

5
Igor Khoroshilov
Technology Leader

“Andy is a DBA who truly understands developers. He listens, discusses different approaches, and finds the best solutions without being rigid. His collaborative approach made him an invaluable part of the team.”

5
Zach Beer
Software Team Delivery

“Before Andy, we struggled to find a DBA who could handle our complex environment. Since he joined, we’ve seen a phenomenal positive change – his expertise, attitude, and structured approach have been gamechangers.”

5
Balan Chidambaram
CIO/CTO

“Andy improved our database infrastructure from day one. His recommendations are always practical and well researched. Knowing Andy was on the job gave me peace of mind.”

5
Jes Sherborne
Software Executive

Optimized SQL. Scalable Growth. Trusted by Industry Leaders.

Trusted by Industry Leaders - Now Let’s Optimize Your Database

Don’t just take their word for it. Let’s discuss how I can optimize, scale, and future-proof your environment.

Let’s Talk SQL Server !

FAQ

How can you improve our current SQL Server performance?

I conduct a thorough performance analysis, identifying bottlenecks related to indexing, query optimization, I/O, and memory usage. By implementing best practices such as index tuning, partitioning, and optimizing execution plans, I ensure your database runs efficiently under any load.

We don’t have a dedicated database administrator. Can you help us manage our SQL Servers efficiently?

Absolutely. Many companies operate without an in-house DBA, which often leads to performance issues and security risks. I provide managed SQL Server services, covering monitoring, maintenance, and optimization, ensuring your databases remain reliable and secure.
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