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bosskuai-database-engineering

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更新日2026年4月26日 17:35

Use this for SQL and NoSQL database design across MariaDB, MySQL, PostgreSQL, SQLite, MongoDB, indexing, transactions, migrations, constraints, query plans, and data correctness.

インストール

Codex または Claude でインストールこの Prompt をコピーして Codex、Claude、または他のアシスタントに貼り付けると、Skill ページを確認してインストールできます。

Manusで実行

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fikrimastor

fikrimastor/Bossku-AI

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Manusで実行

BosskuAI Database Engineering

Use this skill when schema, query behavior, indexes, migrations, data consistency, or database choice affects the outcome.

Database coverage

MariaDB / MySQL: InnoDB constraints, indexes, generated columns, JSON tradeoffs, online migration risk, replication-aware changes.
PostgreSQL: constraints, partial indexes, JSONB, GIN/GiST, CTEs, advisory locks, EXPLAIN ANALYZE.
SQLite: local/dev/test constraints, WAL mode, type affinity, concurrency limits, migration compatibility.
MongoDB: document shape, compound indexes, aggregation pipelines, schema validation, write concern, and bounded document growth.

Review checklist

Data model matches the business invariant, not only the current UI.
Constraints exist in the database for rules that must never be violated.
Indexes match real WHERE, JOIN, ORDER BY, and uniqueness paths.
Migrations are reversible or have a safe forward-only rollback plan.
High-volume changes are chunked and safe for production traffic.
Query plans are checked before claiming a query is fast.
Soft deletes, tenancy, status transitions, and audit trails are modeled explicitly.

Guardrails

Do not solve missing constraints only in application code.
Do not add indexes blindly; check selectivity and write cost.
Do not use MongoDB as a shortcut for unclear relational modeling.
Do not assume MySQL, MariaDB, PostgreSQL, and SQLite support the same DDL.

Output format

Database engine: [engine/version if known]
Invariant to protect: [rule]
Schema/query findings:
  P0/P1/P2 — [issue] — [fix]
Migration plan: [safe steps]
Index plan: [index + reason]
Verification: [EXPLAIN/tests/constraints checked]

References

../../references/playbooks/bosskuai-database-engineering-playbook.md
../../references/checklists/database-engineering-checklist.md
../../references/checklists/expert-cofounder-stack-checklist.md

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BosskuAI Database Engineering

Use this skill when schema, query behavior, indexes, migrations, data consistency, or database choice affects the outcome.

Database coverage

MariaDB / MySQL: InnoDB constraints, indexes, generated columns, JSON tradeoffs, online migration risk, replication-aware changes.

PostgreSQL: constraints, partial indexes, JSONB, GIN/GiST, CTEs, advisory locks, EXPLAIN ANALYZE.

SQLite: local/dev/test constraints, WAL mode, type affinity, concurrency limits, migration compatibility.

MongoDB: document shape, compound indexes, aggregation pipelines, schema validation, write concern, and bounded document growth.

Review checklist

Data model matches the business invariant, not only the current UI.

Constraints exist in the database for rules that must never be violated.

Indexes match real WHERE, JOIN, ORDER BY, and uniqueness paths.

Migrations are reversible or have a safe forward-only rollback plan.

High-volume changes are chunked and safe for production traffic.

Query plans are checked before claiming a query is fast.

Soft deletes, tenancy, status transitions, and audit trails are modeled explicitly.

Guardrails

Do not solve missing constraints only in application code.

Do not add indexes blindly; check selectivity and write cost.

Do not use MongoDB as a shortcut for unclear relational modeling.

Do not assume MySQL, MariaDB, PostgreSQL, and SQLite support the same DDL.

Output format

Database engine: [engine/version if known] Invariant to protect: [rule] Schema/query findings: P0/P1/P2 — [issue] — [fix] Migration plan: [safe steps] Index plan: [index + reason] Verification: [EXPLAIN/tests/constraints checked]

References

../../references/playbooks/bosskuai-database-engineering-playbook.md

../../references/checklists/database-engineering-checklist.md

../../references/checklists/expert-cofounder-stack-checklist.md

name	bosskuai-database-engineering
description	Use this for SQL and NoSQL database design across MariaDB, MySQL, PostgreSQL, SQLite, MongoDB, indexing, transactions, migrations, constraints, query plans, and data correctness.