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Query Course

Query Course
from 4 to 360h flexible workload
valid certificate in your country

What will I learn?

This course equips you with skills to craft strong database schemas, compose accurate SQL statements, and develop dependable reports for practical learning environments. Learners will gain expertise in joins, aggregations, window functions, subqueries, and date filtering, followed by performance enhancements via indexing, EXPLAIN plans, and materialized views. It further addresses secure updates, deletions, transactions, and polished SQL outputs ready for review in data-heavy applications.

Elevify advantages

Develop skills

  • Secure SQL updates and deletions to safeguard live data in operational environments.
  • Reporting queries tailored for technology products like leaderboards, revenue tracking, and usage dashboards.
  • Effective relational schema design for modeling users, courses, payments, and progress tracking.
  • SQL performance optimization through strategic indexing and efficient query patterns for rapid analytics.
  • Production-grade SQL assets including clear DDL, test data, and queries prepared for team review.

Suggested summary

Before starting, you can change the chapters and workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.
Workload: between 4 and 360 hours

What our students say

I was just promoted to Intelligence Advisor of the Prison System, and the course from Elevify was crucial for me to be chosen.
EmersonPolice Investigator
The course was essential to meet the expectations of my boss and the company where I work.
SilviaNurse
Very great course. Lots of rich information.
WiltonCivil Firefighter

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