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Postgres internals, test data, and running AI agents against real databases.

Compliant Test Data: Why Generated Beats Masked

A compliant test data tool never copies production. Seedfast builds rows from your schema, so dev and staging hold no PII and nothing needs masking.

Mikhail Shytsko10 min readData Privacy

Test Data for Fintech: Realistic Accounts Without Touching Production

Test data for fintech needs accounts, transactions, and ledgers that reconcile. Seedfast generates them from your schema without production access.

Mikhail Shytsko9 min readData Privacy

Prisma Postgres Seed: prisma db seed, psql, and the Direct URL

A Prisma Postgres seed breaks on the pooled URL. Direct vs pooled, prisma db seed setup, and how Seedfast regenerates data after each migration.

Mikhail Shytsko19 min readGuides

Circular Foreign Key Seed: Three Workarounds That Actually Run

A circular foreign key seed fails on every INSERT order in Postgres. Three SQL patterns that work, plus what Seedfast fills when the schema leaves room.

Mikhail Shytsko11 min readPostgreSQL

Enterprise Database Test Data: What It Actually Looks Like

Enterprise database test data isn't dev fixtures. Patterns for multi-tenancy, audit trails, and scale, plus how Seedfast generates them from your schema.

Mikhail Shytsko14 min readTesting & CI

HIPAA Test Data: What Compliance Really Requires

A HIPAA test data generator keeps PHI out of dev. Seedfast reads your Postgres schema and generates realistic rows without touching a patient record.

Mikhail Shytsko19 min readData Privacy

Writing a Postgres Seed Script That Survives the Next Migration

A Postgres seed script is easy to write and painful to maintain. A worked example, the failure modes, and the point where the file stops paying off.

Mikhail Shytsko11 min readPostgreSQL

What is Referential Integrity? Definition and Examples

Referential integrity means every foreign key points to a row that actually exists in the parent table. Definition, examples, and how Seedfast meets it.

Mikhail Shytsko17 min readPostgreSQL

Test Data Management: Pillars, Tools, and a Working Framework

Test data management explained: three pillars, four tool tiers, and a framework. Seedfast generates from the live schema, so production stays out of dev.

Mikhail Shytsko17 min readTesting & CI

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