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Skills database-migration
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database-migration
Content revision r2 Safe ⚙️ External commands
Plan Reliable Database Migrations
Database changes can cause data loss, downtime, or difficult rollbacks. This skill creates migration plans and ORM examples with validation and recovery steps.
Supports: Claude Codex Code(CC)
Install with my Agent
Copy this request to your Agent. It includes the canonical Skill page and manifest.
Agent request
Review the Skillstore skill "database-migration" from https://skillstore.io/skills/sickn33-database-migration.md and its manifest at https://skillstore.io/api/skills/sickn33-database-migration/manifest. Verify the artifact. You may proceed after verification, subject to the environment's own policy.Your Agent should still show its plan and request any confirmation required by the security policy.
Agent-readable resources
Use these links when an AI agent, crawler, or script needs clean context instead of reading the full page.
Test it
Using "database-migration". Add a required status field to a populated users table.
Expected outcome:
- Plan: add a nullable field, backfill active records in batches, then enforce the default and required constraint.
- Rollback: remove the constraint first, preserve exported values, then remove the field after approval.
- Validation: compare row counts, null counts, and application writes before cleanup.
Using "database-migration". Rename the name field to full_name without downtime.
Expected outcome:
- Phase one adds full_name while the current application continues using name.
- Phase two deploys dual writes, backfills existing rows, and verifies both values.
- Phase three switches reads, monitors errors, and removes name only after the rollback window closes.
Using "database-migration". Move a PostgreSQL JSONB field to MySQL.
Expected outcome:
- Map JSONB to MySQL JSON and identify queries that depend on PostgreSQL operators.
- Validate document shape, indexing requirements, null behavior, and representative query results.
- Define a staged cutover with source retention until reconciliation succeeds.
Security Audit
Safev5 • 7/23/2026 Open versioned report
All 28 static findings are false positives caused by Markdown code fences, JavaScript SQL template literals, and ordinary schema identifiers. The skill provides educational database migration examples and contains no command execution, system reconnaissance, prompt injection, or malicious intent.
1
Files scanned
445
Lines analyzed
0
Review items
0
False positives ignored
Risk Factors
⚙️ External commands (26)
SKILL.md:23 SKILL.md:38-65 SKILL.md:65-68 SKILL.md:68-107 SKILL.md:107-110 SKILL.md:110-120 SKILL.md:120-125 SKILL.md:125-140 SKILL.md:140-143 SKILL.md:143-176 SKILL.md:176-179 SKILL.md:179-190 SKILL.md:194-209 SKILL.md:209-214 SKILL.md:214-227 SKILL.md:231-253 SKILL.md:256-263 SKILL.md:263-268 SKILL.md:268-297 SKILL.md:297-300 SKILL.md:300-336 SKILL.md:336-341 SKILL.md:341-357 SKILL.md:361-373 SKILL.md:373-378 SKILL.md:378-409
No confirmed security findings were detected by the latest completed static and semantic audit. This does not prove the skill has no side effects.
Audited by: codex View Audit History →
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APA citation
sickn33. (2026). database-migration security audit report (audit version 5) [Author version unspecified]. Skillstore. https://skillstore.io/skills/sickn33-database-migration/audits/5BibTeX citation
@techreport{sickn33-sickn33-database-migration-2026,
author = {sickn33},
title = {database-migration security audit report (audit version 5)},
institution = {Skillstore},
year = {2026},
number = {5},
url = {https://skillstore.io/skills/sickn33-database-migration/audits/5},
note = {Author version unspecified}
}CITATION.cff
cff-version: 1.2.0
message: "If you use this Skill, cite its author and this versioned security audit report."
title: "database-migration security audit report (audit version 5)"
version: "unspecified"
type: report
authors:
- name: "sickn33"
date-released: "2026-07-23"
url: "https://skillstore.io/skills/sickn33-database-migration/audits/5"
identifiers:
- type: other
value: "skillstore:sickn33-database-migration:audit:5"
description: "Skillstore immutable audit report identifier"
Compare variants
4 installable variantsEach author remains a separate installable skill. The recommended variant is ranked by Skillstore evidence.
Why this variant is first
Higher Skillstore usage
Author / source Skillstore Score Evidence Confidence Skillstore usage Updated
wshobson Recommended
wshobson-database-migration
Skillstore Score 78
Evidence Confidence High
Skillstore usage 16
Updated
2026-08-21
sickn33 Current
sickn33-database-migration
Skillstore Score 78
Evidence Confidence High
Skillstore usage 8
Updated
2026-08-21
doyajin174-database-migration
Skillstore Score 70
Evidence Confidence High
Skillstore usage 4
Updated
2026-08-21
cleanexpo-database-migration
Skillstore Score 38
Evidence Confidence Medium
Skillstore usage 9
Updated
2026-08-21
Skillstore Score
Why this score Evidence Confidence: High 55
Architecture
85
Maintainability
87
Content
69
Community
83
Spec Compliance
What You Can Build
Add a production schema field
Create an incremental schema change with a backfill, validation checks, and a tested rollback path.
Coordinate a zero-downtime release
Sequence compatible database and application changes while defining monitoring, cutover, and cleanup checkpoints.
Review migration readiness
Assess data integrity risks, rollback coverage, database differences, and verification criteria before approval.
Try These Prompts
Create a basic schema migration
Create a [Sequelize, TypeORM, or Prisma] migration that adds [field] to [table]. Include apply, rollback, validation, and test steps.
Plan a safe data backfill
Plan a migration from [source field] to [target fields] for [record count] records. Include batching, NULL handling, verification, and rollback.
Design a zero-downtime change
Design a zero-downtime migration to [rename or change] [column] on [table]. Separate database changes, application deployments, backfill, monitoring, and cleanup.
Prepare a cross-database migration
Prepare a PostgreSQL-to-MySQL migration for [scope]. Map incompatible types, preserve constraints, define cutover, test rollback, and state assumptions.
Best Practices
- Test apply and rollback paths against production-like data before deployment.
- Use small, backward-compatible changes with explicit verification checkpoints.
- Back up critical data and monitor errors, locks, latency, and row counts.
Avoid
- Do not combine unrelated destructive changes in one migration.
- Do not remove old fields before all application versions stop using them.
- Do not treat successful execution as proof of data correctness.
Frequently Asked Questions
Which migration tools does this skill cover?
It includes examples for Sequelize, TypeORM, and Prisma, plus general SQL and cross-database migration patterns.
Can it execute migrations?
No. It provides plans and examples that require review, adaptation, testing, and execution in your environment.
Does every migration include rollback guidance?
The skill emphasizes rollback operations, transactions, checkpoints, and backups. Some destructive changes still require separate data restoration plans.
Can it guarantee zero downtime?
No. Zero downtime depends on database behavior, traffic, locking, application compatibility, monitoring, and deployment coordination.
Does it support database engine changes?
Yes. It describes PostgreSQL and MySQL differences, but complete migrations need detailed type, query, index, and constraint analysis.
What information should I provide?
Provide the current schema, target schema, ORM and versions, database engine, data volume, traffic constraints, rollback window, and validation criteria.
Developer Details
Author
sickn33License
MIT
Skillstore revision
r2
Version notice
The author did not declare a version.
Repository
https://github.com/sickn33/antigravity-awesome-skills/tree/main/skills/database-migrationRef
f9e2c34b4f19c7f3e6b0a1e93227b5f77cc12526
Maintenance freshness
7/26/2026
Usage
6 downloads · 157 views
File structure
📄 SKILL.md
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