Software Development
Move the data without losing the history.
Python-based scripting for database migrations, site audits, and missing asset troubleshooting.
SourceLegacy DB (MySQL)
idnamecreated_at
8492A. Smith2018-04-12
8493J. Doe2018-06-03
8494S. Lee2019-01-27
3 of 142,500 shown
Stagingchecksummed
TargetTarget Schema (Postgres)
uuidfull_nameverified
0x7a1cA. SmithTRUE
0x7a1dJ. DoeTRUE
0x7a1eS. LeeTRUE
Records migrated
migrate.ts
$ migrate --verify --batch 500
✓ checksum matched · 0 orphaned rows
Source
Legacy DB (MySQL)
idnamecreated_at
8492A. Smith2018-04-12
8493J. Doe2018-06-03
8494S. Lee2019-01-27
8495M. Ray2019-08-14
8496K. Patel2020-02-09
8497R. Iqbal2020-11-30
6 of 142,500 shownStagingchecksummed
Target
Target Schema (Postgres)
uuidfull_nameverified
0x7a1cA. SmithTRUE
0x7a1dJ. DoeTRUE
0x7a1eS. LeeTRUE
0x7a1fM. RayTRUE
0x7a20K. PatelTRUE
0x7a21R. IqbalTRUE
Constraints enforcedRecords migrated
migrate.ts
$ migrate --verify --batch 500
✓ checksum matched · 0 orphaned rows
What you get
Data Migration & Scripting
Source auditing and field mapping
Python migration tooling
Dry-run and rollback procedures
Missing asset recovery
Post-migration integrity verification
History is the hard part
Moving current records is straightforward. Keeping the past intact and addressable is the actual work.
Dry run before commit
Every migration runs against a copy until the diff between source and target is boring.
Verified, never assumed
Row counts, checksums, and spot checks back against the source before anyone calls it done.
What the migration covers
Source auditing and field mapping
Python migration tooling
Dry-run and rollback procedures
Missing asset recovery
Post-migration integrity verification
Redirect and URL mapping
Work this usually involves
Python
Database migrations
CMS exports
Media recovery
Field mapping
Deduplication
Encoding fixes
Redirect maps
Checksums
Dry runs
Rollback plans
Audit logs
How a migration runs
Source audit
Field mapping
Tooling build
Dry run and diff
Cutover
Integrity verification
Safety
Nothing moves until all of this is true
Full backup verified restorable, not merely taken
Dry run diffed against source, twice
Rollback rehearsed on a copy of production
Row counts and checksums reconciled
Redirects mapped for every changed URL
Cutover window agreed with a named owner
How this differs from a standard migration
| Capability | Pixel Portal | Typical agency |
|---|---|---|
| Backup verified restorable | Included | Not included |
| Dry run diffed before cutover | Included | Not included |
| Rollback rehearsed | Included | Not included |
| Migration report delivered | Included | Included |
| Checksums reconciled post-migration | Included | Not included |
Next step
Need data & scripting?
Send us the brief, or just the problem. We will come back with an honest view of scope, timing, and whether we are the right team.