Is the training Qualiopi certified?

Yes, Learni is a Qualiopi-certified training organization. This certification guarantees the quality of our courses and enables funding through OPCO and other mechanisms.

How can I fund my training?

Our courses are eligible for OPCO funding. Learni supports you through the funding process. A personalized quote is available upon request.

What are the prerequisites for this training?

The prerequisites for the SQL Expert Training - Optimize Queries and Database Performance training are: Intermediate SQL mastery, relational databases, 2 years of querying experience.. A preliminary interview validates your eligibility.

Is the training available in person?

Yes, the SQL Expert Training - Optimize Queries and Database Performance training is available in in-person. The format can be adapted to your needs (inter, intra, custom).

SQL Expert Training - Optimize Queries and Datab... | Learni

The story of Learni

Founded by passionate advocates of learning and innovation, Learni set out to make professional training accessible to everyone, everywhere in the world. Our team works in the largest cities such as Paris, Lyon, Marseille, and internationally, to support talents and organizations in their skills development.

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Methods, approaches, and teaching resources

The SQL Expert Training - Optimize Queries and Database Performance training is delivered in-person or remotely (blended-learning, e-learning, virtual classroom, remote in-person). At Learni, a Qualiopi-certified training organization, each program is designed to maximize skills acquisition, regardless of the training mode chosen.

The trainer alternates between demonstrative, interrogative, and active methods (through practical exercises and/or real-world scenarios). This pedagogical approach ensures concrete and directly applicable learning in the workplace.

Teaching resources provided

To ensure the quality of the SQL Expert Training - Optimize Queries and Database Performance training, Learni provides the following teaching resources:

Mac or PC computers, high-speed fiber internet, whiteboard or flipchart, video projector or interactive touchscreen (for remote sessions)
Training environments installed on workstations or accessible online
Course materials, practical exercises, and supplementary resources
Post-training access to materials and teaching resources

For in-house training at a location external to Learni, the client ensures and commits to having all necessary teaching materials (IT equipment, internet connection...) for the proper conduct of the training action in accordance with the prerequisites indicated in the communicated training program.

* contact us for remote feasibility** ratio varies depending on the training followed

Assessment methods

The assessment of skills acquired during the SQL Expert Training - Optimize Queries and Database Performance training is carried out through:

During training: case studies, practical exercises, and professional scenarios
At the end of training: self-assessment questionnaire and skills evaluation by the trainer
After training: training completion certificate detailing acquired skills

Training accessibility

Learni is committed to the accessibility of its professional training programs. All our training programs are accessible to people with disabilities. Our teams are available to adapt teaching methods to your specific needs. Do not hesitate to contact us for any accommodation request.

Training objectives

Master complex queries with CTEs and window functions.

Optimize performance via indexes and execution plans.

Manage advanced transactions and concurrency.

Implement efficient stored procedures and triggers.

Analyze and partition large databases.

Debug slow queries in production.

Automate SQL tasks with advanced scripts.

Training program

Module 1Advanced SQL Queries: CTEs, Window Functions, and Complex Joins

Dive into nested subqueries, discover Common Table Expressions to structure your analyses, manipulate window functions like ROW_NUMBER and RANK on real datasets, perform practical exercises on PostgreSQL and MySQL, produce deliverable analytical reports, gain fluency in handling millions of rows effortlessly.

Module 2Performance Optimization: Indexes, EXPLAIN, and SQL Tuning

Analyze execution plans with EXPLAIN, create composite and covering indexes tailored to your needs, test refactoring slow queries on real e-commerce cases, measure gains up to 90% speed improvement, simulate loads with tools like pgBadger, export personalized optimization reports, transform your databases into ultra-responsive machines.

Module 3Advanced Transactions: Concurrency, Locks, and Isolation

Manage isolation levels like SERIALIZABLE and READ COMMITTED, implement deadlock detection with scripts, practice MVCC on PostgreSQL, resolve high-concurrency scenarios through pair exercises, produce transactional audit logs, secure your critical data, avoid financial losses due to inconsistencies.

Module 4Stored Procedures, Triggers, and Expert SQL Partitioning

Develop dynamic stored procedures with cursors, code triggers for automated audits, partition giant tables by range or hash, test on simulated Big Data volumes, integrate with real ETL processes, finalize deliverable capstone project, leave with expertise to scale your DB infrastructures.