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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 this advanced SQL training, slow queries hinder analyses, leading to 20-30% daily productivity losses for a data analyst.
Imagine outdated dashboards causing 15% errors in business KPI decisions, ETLs crashing under 1TB of data generating 50h/week of manual debugging, or missed audits exposing GDPR compliance failures with fines up to 4% of revenue.
70% of SQL professionals stagnate without optimization, tripling cloud costs.
Invest 28 hours to divide execution times by 10 and secure your pipelines.
The Advanced SQL Training - Optimize Queries and 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.
To ensure the quality of the Advanced SQL Training - Optimize Queries and Performance 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 Advanced SQL Training - Optimize Queries and Performance 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 correlated subqueries and recursive CTEs, practice on real datasets to extract hierarchical insights, build complex views step by step, test with timed exercises, produce a deliverable: nested analysis report ready to integrate into your dashboards.
Explore FULL OUTER JOIN, LATERAL, and window functions like ROW_NUMBER and RANK, discover real-world e-commerce cases, complete collaborative exercises on massive volumes, optimize custom rankings, generate a deliverable: SQL script for advanced dashboards, gain speed and precision.
Analyze execution plans with EXPLAIN ANALYZE, implement composite and hash indexes, handle slow queries on 1M+ rows, simulate real bottlenecks, adjust server configurations, create a deliverable: before/after performance audit with measurable gains up to 90% faster.
Develop parameterized stored procedures, triggers for automated audits, manage ACID compliance with SAVEPOINT and locks, apply to production scenarios like ETL, debug live, finalize a capstone project: deployable automated SQL pipeline, boost your productivity starting tomorrow.
Target audience
Data analysts, BI developers, data engineers seeking to advance skills in complex queries and optimization.
Prerequisites
Mastery of SQL basics: SELECT, JOIN, GROUP BY, advanced WHERE clauses, and daily use of a DBMS like MySQL or PostgreSQL.
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