Training Doctrine ORM - Optimizing Symfony Persistence

$3,465

  • 3 days
  • Onsite
  • 10 people max.
Ref: JFG513
10 people max.
$3,465
In-company rate: from $6,290 for the whole team
On-site and certification exam on quote
3 days
Onsite

Don't let this gap widen

Why this program matters

  • Without mastering Doctrine ORM, PHP teams waste 50% of their time on inefficient manual SQL queries, generating N+1 queries that slow apps by 300% under load.

  • Mapping errors cause 25% of production incidents, costing 10k€/mois in downtime for an SME.

  • In 2024, 68% of Symfony job postings require Doctrine expertise, sidelining untrained juniors.

  • Every project without an optimized ORM widens the competitive gap, multiplying DB bugs by 4 and stalling business growth.

  • Act before your competitors ship more scalable solutions.

Célian Lebacle, Learni trainer · Web & mobile expert
Célian Lebacle

Learni trainer · Web & mobile expert

73%productivity gap
×3cost of inaction
Flag of the United StatesBuilt for US teams
Payment by wire transferEnhanced confidentialityPerfect for companies with 50 to 500 employeesScheduling to fit any time zone

Trusted by — schools, companies and industrial groups

41,306 programs · 25 countries

  • Aptar
  • ArcelorMittal
  • Equans
  • EDF
  • Ubisoft
  • Microsoft
  • Atos

Every program built with a dedicated engineer

  • OpenAI
  • Anthropic
  • Mistral AI
  • NVIDIA
  • Google
  • Amazon Web Services
  • Microsoft Dynamics 365
  • Salesforce
  • ServiceNow
  • SAP
  • Oracle
  • Cisco
  • Fortinet
  • Palo Alto Networks
  • Aruba
  • VMware
  • Red Hat
  • Databricks
  • Snowflake
  • OVHcloud
  • Notion
  • AMD
  • Apple

Companies: Aptar, ArcelorMittal, Equans, EDF, Ubisoft, Microsoft and Atos.

Doctrine ORM training objectives

  • Master Doctrine entity mappings for professional Symfony applications
  • Develop complex relationships and associations in enterprise settings
  • Implement performant DQL and QueryBuilder queries
  • Configure migrations and certified database seeding
  • Optimize Doctrine performance with caching and proxies
  • Integrate Doctrine ORM into real Symfony projects
  • Acquire certified skills to boost your career

Program

Doctrine ORM curriculum: 3 modules over 3 days

Module 1 : Doctrine ORM Fundamentals: Advanced Entity Mappings (annotations, YAML, XML, validation)

Dive into configuring Doctrine ORM entities via annotations and YAML, create complex mappings with inheritance and custom types, implement Symfony validation integrated with Doctrine for reliable production data, perform practical exercises on a red thread e-commerce project, test persistence and custom repositories, produce an optimized database schema ready for enterprise use, with code review by the expert trainer.

Module 2 : Doctrine ORM Relationships: Associations and DQL/QueryBuilder Queries (joins, advanced filters)

Explore unidirectional, bidirectional, and many-to-many relationships in Doctrine ORM, configure cascades and ownership for robust Symfony models, master DQL for native queries and QueryBuilder for dynamic constructions with joins and aggregates, apply pagination and partial hydration on concrete enterprise cases like a CRM, develop reusable repositories, generate complex reports, optimize to avoid N+1 queries from the first practical tests.

Module 3 : Advanced Doctrine ORM: Migrations, Caching, Performance (CLI tools, Redis, lazy loading)

Manage Doctrine migrations with Make:migration and fixtures for automated seeding in Symfony CI/CD, integrate second-level cache via Redis or Memcached to boost performance, configure lazy/eager loading and proxies for ultra-fast queries, analyze bottlenecks with Blackfire and Doctrine Profiler, apply best practices on the red thread project with Docker deployment, produce a customized Doctrine bundle, measure real-time gains up to 70% faster, prepare for certified production.

How Doctrine ORM skills are assessed

  • Technical MCQ on Doctrine mappings and queries at the end of the session
  • Evaluation through practical exercises and ORM code debugging
  • Presentation of the red thread project with performance optimization

How the Doctrine ORM course is taught

  • Live sessions by active Symfony expert trainer
  • Hands-on exercises on authentic enterprise cases
  • Evolving red thread project over 3 days with feedback
  • PDF/video course materials and Doctrine cheatsheets provided

Doctrine ORM training: access and practical arrangements

The Training Doctrine ORM - Optimizing Symfony Persistence 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 Training Doctrine ORM - Optimizing Symfony Persistence 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 Training Doctrine ORM - Optimizing Symfony Persistence 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.

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.

Our method

How Learni guarantees the quality of your Doctrine ORM training

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.

Step 1

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.
Step 2

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.
Step 3

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.
Step 4

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.

A child walking to school with a backpack
Our social commitment

A school kit donated to a child for every training booked

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
Enroll and offer a kit
FAQ

Doctrine ORM: frequently asked questions

Which tools are used in Doctrine ORM training?+
Hands-on work runs on annotations, YAML, XML, validation, joins and advanced filters. Those tools come from the Doctrine ORM program itself, delivered on site over 3 days, so participants practise on the stack they will use at work.
What can participants do after Doctrine ORM training?+
They can master Doctrine entity mappings for professional Symfony applications, develop complex relationships and associations in enterprise settings and implement performant DQL and QueryBuilder queries. Those are the stated objectives of the Doctrine ORM program at Intermediate level, checked by the end-of-session assessment.
What does the Doctrine ORM program cover, day by day?+
Day 1: Doctrine ORM Fundamentals: Advanced Entity Mappings (annotations, YAML, XML, validation). Day 2: Doctrine ORM Relationships: Associations and DQL/QueryBuilder Queries (joins, advanced filters). Day 3: Advanced Doctrine ORM: Migrations, Caching, Performance (CLI tools, Redis, lazy loading). The Doctrine ORM program runs over 3 days, delivered on site.
How is Doctrine ORM training assessed?+
Assessment relies on technical MCQ on Doctrine mappings and queries at the end of the session, evaluation through practical exercises and ORM code debugging and presentation of the red thread project with performance optimization. Learni issues a completion certificate together with the individual assessment report at the end of the Doctrine ORM program, which an L&D team can file as evidence.
How much does Doctrine ORM training cost per participant?+
Doctrine ORM training costs $3,465 per participant. For an in-company team, the flat rate starts at $6,290 for the whole group, up to 8 people. The detailed quote, sent within one business day, adjusts the amount to the format and how far the syllabus is tailored to your team.
How long does Doctrine ORM training take?+
3 days, available live online (US time zones) or on-site at your offices. Half-day tracks spread over several weeks are possible so the team stays operational.
Who pays for Doctrine ORM training?+
Most US teams pay directly through their company L&D or training budget. Learni invoices in US dollars and accepts bank transfer (ACH/wire) or card, with volume pricing for teams. A purchase order is welcome.
What do participants need to know before Doctrine ORM training?+
Mastery of PHP 8+, Symfony 6+, and advanced SQL queries.
Is a certificate issued after Doctrine ORM training?+
Yes. A Learni completion certificate is issued, along with the individual evaluation report. Learni is a certified training provider and prepares for third-party certifications, but does not award them itself.
Does Learni provide the equipment for Doctrine ORM training?+
No. A computer and a stable internet connection are required for each participant. Learni provides the learning platform, the trainer and all course materials.
Your professional training, anywhere

Let's build your Doctrine ORM learning path.

30 minutes with a learning advisor. No commitment. No sales pitch dressed up as a demo.

Reply within 24h · Vetted experts · USD invoicing · W-9 available
On-site & remote

Doctrine ORM training in your city

Available on-site and remotely. Pick your city to see the local training center.

Share in 2 clicks