Rigorous trainer selection
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
- Triple validation: technical, pedagogical, sectoral.
- Minimum rating 4.8/5 over the last 12 sessions.
1 seat held for the next session
30:00Held for another
Request a call back and an advisor reaches you within 24 business hours, Monday to Saturday.
Trusted by — schools, companies and industrial groups
Every program built with a dedicated engineer
Learning objectives
- Master subqueries and CTEs for multi-layer analyses.
- Optimize query performance with indexes and EXPLAIN.
- Handle large data volumes via window functions and partitioning.
- Manage advanced transactions and locks for data integrity.
- Automate SQL scripts with stored procedures and triggers.
- Analyze and debug complex queries in production.
Our social commitment
A school kit donated to a child for every training
To fight inequalities in access to education, Learni donates a complete school kit to a child in need for every training booked. You build your skills, a child heads back to school.
- Backpack, notebooks and essential supplies
- Distributed through our partner charities
- Included, at no extra cost to you
The Learni story
Founded by engineers and learning experts, Learni's mission is to make high-impact tech training accessible to teams everywhere. We work remotely with organizations across the US and Canada, in your time zone, to help teams upskill fast.
Don't let this gap widen
Why this program matters
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Imagine outdated dashboards causing 15% errors in business KPI decisions, ETLs crashing under 1TB of data generating 50h/week of manual debugging, or missed audits exposing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.
Program
Module 1Subqueries and CTEs: Structure Multi-Layer Analyses (MySQL, PostgreSQL)
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.
Module 2Advanced Joins and Window Functions: Dynamic Aggregations
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.
Module 3Performance Optimization: Indexes, EXPLAIN, and Partitioning
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.
Module 4Stored Procedures, Triggers, and Transactions: Robust Automation
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.
Evaluation method
- Daily interactive quizzes, graded practical exercises, final project with personalized feedback.
Learning method
- Hands-on approach with 70% practical work, real business cases, live Q&A sessions.
Methods, materials and delivery
The Advanced SQL Training - Optimize Queries and Performance program is delivered onsite or remote (blended-learning, virtual classroom, remote presence). At Learni, an industry-certified training organization, every program is built to maximize skills acquisition regardless of the chosen format.
The trainer alternates between demonstrative, interrogative and active methods (through hands-on labs and/or scenarios). This pedagogical approach guarantees concrete learning that's immediately applicable at work.
Equipment required
For the smooth delivery of the Advanced SQL Training - Optimize Queries and Performance program, the following equipment is required:
- Mac or PC computers, high-speed fiber internet, whiteboard or flipchart, projector or interactive touch screen (for remote sessions)
- Training environments installed on workstations or accessible online
- Course materials, hands-on exercises and complementary resources
- Post-training access to materials and educational resources
For intra-company training on a site outside Learni, the client commits to providing all required teaching materials (computers, internet, etc.) for the smooth delivery of the program in line with the prerequisites in the communicated program.
* contact us for remote delivery feasibility** ratio varies depending on the program
Skills assessment methods
Assessment of skills acquired during the Advanced SQL Training - Optimize Queries and Performance program is performed through:
- During training: case studies, hands-on labs and professional scenarios
- End of training: self-assessment questionnaire and skills evaluation by the trainer
- After training: completion certificate detailing acquired skills
Program accessibility
Learni is committed to making its programs accessible. All our programs are accessible to people with disabilities. Our teams are available to adapt the pedagogical methods to your specific needs. Please contact us for any adjustment request.
Enrollment terms and lead times
Registration is possible up to 48 business hours before the start of training. All our programs are built for corporate L&D budgets and delivered onsite or remotely.
Our method
Training quality, guaranteed at every step
Before, during, after: we frame the brief, introduce the trainer, tailor the content and measure impact. You stay in control from kickoff to wrap-up.
You meet the trainer beforehand
30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.
- Live briefing on goals and team context.
- Veto right — we swap the trainer for free if needed.
Content tailored to your context
No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.
- Hands-on cases drawn from your stack and projects.
- Program co-written then validated by your team.
Continuous quality follow-up
Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.
- NPS, knowledge quizzes and skills self-assessment.
- Satisfaction guarantee: fully satisfied or free rework.
A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.
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FAQ
Frequently asked questions
How much does the Advanced SQL Training - Optimize Queries and Performance training cost?+
The price is $4,620 (USD) per participant. A detailed quote is sent within one business day.
How long is the Advanced SQL Training - Optimize Queries and Performance training?+
The training lasts 4 journées, available live online (US time zones) or on-site at your offices.
How is this training paid for?+
Most US teams pay directly through their company (L&D or training budget). We invoice in US dollars and accept bank transfer (ACH/wire) or card, with volume pricing for teams. A purchase order is welcome.
Are there any prerequisites?+
Mastery of SQL basics: SELECT, JOIN, GROUP BY, advanced WHERE clauses, and daily use of a DBMS like MySQL or PostgreSQL.
Is a certificate delivered at the end?+
Yes. A Learni completion certificate is issued, along with the individual evaluation report.
Does Learni provide the equipment?+
No. A computer and stable internet connection are required for the participant. Learni provides the educational platform, the trainer and all course materials.
On-site & remote
This training across cities
Available on-site and remotely. Pick your city to see the local training center.
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