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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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30 free minutes with a training advisor — no commitment.
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Don't let this gap widen
Without expert SQL mastery, your queries saturate servers, multiplying cloud costs by 3 (up to 50k€/year wasted), frozen BI dashboards frustrate sales teams losing 20% revenue, poorly managed locks cause critical outages (99% uptime compromised), failed perf audits block data engineer promotions, junior competitors on BigQuery/Snowflake outpace you, infinite debug time exhausts (40h/week lost), stay stuck at intermediate level facing x4 data explosion by 2025.
The Training SQL Expert - Optimize Performance x10 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.
To ensure the quality of the Training SQL Expert - Optimize Performance x10 training, Learni provides the following 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.
The assessment of skills acquired during the Training SQL Expert - Optimize Performance x10 training is carried out through:
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.
Learni training programs are available for inter-company and intra-company settings, both in-person and remote. Registration is possible up to 48 business hours before the start of training. Our programs are eligible for OPCO, Pôle emploi, and FNE-Formation funding. Contact us to discuss your training project and funding possibilities.
Dive into execution plan analysis via EXPLAIN ANALYZE, create composite and bitmap indexes to accelerate massive joins, refactor slow queries on real 1M row datasets, test before/after with timers, produce personalized perf reports, hands-on exercises on dedicated servers, gain immediate speed and scalability.
Develop stored procedures and PL/pgSQL functions, implement smart triggers for auto audits, manage concurrency with SERIALIZABLE and DEADLOCK detection, simulate load spikes on 100 connections, monitor with pgBadger and query logs, debug live bottlenecks, deliverables: production-ready optimized scripts, become autonomous on critical environments.
Target audience
Data engineers, backend developers, BI analysts advancing in advanced SQL skills.
Prerequisites
Mastery of complex joins, subqueries, aggregations; 2 years SQL experience on relational databases.
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