Courses

Showing 12 courses

• 
  intermediateself-paced4 weeks · 4–6 hrs/week

  Backup Planning Studio

  RPO/RTO language, restore drills, and encryption checks teams actually run.

  ¥54,000 JPY

  Details
• 
  certification prepintensive bootcamp8 weeks · 8–12 hrs/week

  Certification Sprint: Data Engineering Core

  Structured drills for vendor-neutral data engineering exams — ethics-forward, no brain dumps.

  ¥198,000 JPY

  Details
• 
  advancedcohort5 weeks · 7 hrs/week

  Event Streams and Databases

  Outbox pattern, idempotent consumers, and where streams meet durable state.

  ¥104,000 JPY

  Details
• 
  intermediateself-paced4 weeks · 6–9 hrs/week

  Indexing Internals Workshop

  B-tree and hash trade-offs, partial indexes, and plan reading for real workloads.

  ¥62,000 JPY

  Details
• 
  intermediatecohort4 weeks · 5 hrs/week

  NoSQL vs Relational Trade-offs

  Document, wide-column, and key-value fit with honest failure stories.

  ¥58,000 JPY

  Details
• 
  certification prepcohort5 weeks · 6 hrs/week

  PostgreSQL Administration Primer

  Roles, extensions, connection pools, and safe minor version upgrades.

  ¥86,000 JPY

  Details
• 
  advancedself-paced6 weeks · 8 hrs/week

  Query Plan Deep Dive

  Nested loops, hash joins, memory limits, and when statistics lie.

  ¥118,000 JPY

  Details
• 
  beginnerintensive bootcamp3 weeks · 5 hrs/week

  Replication Concepts Boot Lab

  Leader/follower, lag, read replicas, and failover vocabulary without vendor hype.

  ¥36,000 JPY

  Details
• 
  advancedcohort5 weeks · 7 hrs/week

  Schema Modeling Sprint

  From domain events to bounded tables — naming, constraints, and migration cadence.

  ¥92,000 JPY

  Details
• 
  beginnercohort6 weeks · 5–8 hrs/week

  SQL Foundations for Engineers

  Write reliable SELECT/INSERT/UPDATE flows with joins, constraints, and readable structure.

  ¥48,000 JPY

  Details
• 
  intermediatecohort5 weeks · 6 hrs/week

  Transaction Isolation in Practice

  Serializable vs read committed, phantom reads, and designing safer application transactions.

  ¥78,000 JPY

  Details
• 
  beginnerself-paced5 weeks · 4–6 hrs/week

  Warehouse Introduction for App Devs

  Facts and dimensions without the sales deck — enough to partner with analytics.

  ¥44,000 JPY

  Details