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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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The Training SQL 2026 - Optimize Queries for Big Data 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 2026 - Optimize Queries for Big Data 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 2026 - Optimize Queries for Big Data 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 SQL 2026 analytical functions such as ROW_NUMBER, RANK and LAG/LEAD, applied to real datasets with millions of rows; create recursive CTEs to model company hierarchies; hands-on exercises on optimizing window functions with PARTITION BY; real-world BI reporting cases; produce deliverable materialized views; performance tests before/after.
Analyze EXPLAIN execution plans with native tools; configure composite, bitmap and GIN indexes to accelerate massive joins; simulate Big Data loads on virtual servers; refactor slow queries live with the trainer; measure gains up to 90% via benchmarks; develop automation scripts for performance monitoring; deliverable: optimization report on your professional database.
Implement range/hash partitioning on terabyte tables; configure distributed sharding with Citus or equivalents; manage migrations without downtime on real clusters; hands-on exercises for load balancing; test fault-tolerance with failure simulations; integrate partition-aware triggers; produce documented scalable architecture; enhance skills for enterprise cloud environments.
Master SERIALIZABLE and snapshot isolation levels to avoid deadlocks in multi-user environments; manipulate native JSON with JSONB/path operators; hybrid relational/NoSQL queries; develop thread-safe stored procedures; high-concurrency e-commerce use cases; transaction security audits; finalize continuous project with simulated production deployment; obtain skills certification via quiz and defense.
Target audience
Data engineers, BI analysts, DBAs and backend developers seeking advanced SQL skills for the enterprise
Prerequisites
Mastery of complex SQL queries, relational databases (PostgreSQL, MySQL, SQL Server) and basic optimization
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