Misata: Outcome-Conformant Synthetic Data Generation

Muhammed Rasin

Free datasets

Sample data where the tables actually join.

Multi-table datasets with the foreign keys intact and the arithmetic reconciled. Open any of them to see every column profiled and the first rows of every file before you download. Free, no signup, public domain.

12
datasets: 377,657
rows: 53
tables: 461
columns profiled: 693,466
foreign-key references checked: 0
orphans

invoices.csv7,892 rows, profiled

invoice_datedate

Jan 2025Dec 2025

2025-01-01 to 2025-12-28no empties

amountnumber

12log scale30,349

mean 1,445.6median 48012 to 67,229no empties

statuscategory

paid
94%
open
3.6%
uncollectible
1.5%
void
0.5%

4 valuesno empties

From SaaS subscription analytics. Every dataset page profiles every column like this.

Premium · from $15 · free previews

The full versions, with the answer key inside

Bigger, deeper datasets that carry the truth real data never gives you: the cause of every denial, the shift behind every chart signal, the remaining life of every machine, the demand an empty shelf lost. Every table profiled and every audit check listed before you buy.

All four together Buy for $39Compare them

New · pharmaceutical manufacturing

Batch Release World

$49

One oral-solids plant, five systems, two years

Two years of a pharmaceutical plant's records, from process order to QP release, and the answer key to what went wrong there.

ERP
AUFK · AFRU · MATDOC · QALS · QAVE · QMEL
LIMS
samples · tests · injections · audit trail
MES
batch records · in-process checks · rooms
eQMS
deviations · OOS · CAPA · QP register

Event logs

OCEL 2.0 · XES · one case per finished batch

Rows: 661,497
Tables: 65
Joins: 25
Checks: 133 of 133

Buy for $49 Free preview and profile

Where a finished batch's time goes, stage by stagemedian90th pct

Order to start12.8 d
Manufacture2.5 d
Bulk testing to decision4.9 d
Wait to pack9.3 d
Packaging0.3 d
Packaging record review1.5 d
To QP certification0.2 d

In the answer key

Assay testing went from 1.3 to 3.5 days while two HPLCs were down
83% of batches made with coarse API went past dissolution stage 1, against 12% with fine
One analyst reintegrated 18.2 chromatograms per 100 tests; the next highest 3.7

Weekly sales, at regular price and on promotion
Retail Data Warehouse
$15
Grocery chain, 10 stores, fiscal 2024 and 2025
Two fiscal years of a grocery chain, from the shelf to the receipt
Answer key
- baseline_units
- price_effect
- promo_lift
- +7 more
Rows
2,790,852
Tables
14
Checks
117 of 117
Free previewProfile and preview
An X-bar chart with the truth underneath: flatness, characteristic 139
SPC for Precision Machining
$15
3 plants, 36 CNC machines, six months
Six months of control charts with the ground truth underneath
Answer key
- active_cause_id
- true_cause_shift_sigma
- true_tool_wear_sigma
- +6 more
Rows
515,442
Tables
15
Checks
101 of 101
Free previewProfile and preview
Vibration through a life that ends in failure
Predictive Maintenance Fleet
$15
240 machines at 4 plants, two years
Two years of sensor readings, failures, repairs and costs for 240 machines
Answer key
- failure_mode
- true_life_days
- true_failure_at
- +6 more
Rows
179,038
Tables
6
Checks
67 of 67
Free previewProfile and preview
First-pass denial rate, by month of service
Healthcare Claims and Denials
$15
10 payers, 8 facilities, calendar 2025
A year of revenue cycle with the reason behind every denial
Answer key
- cause_coverage_inactive
- denial_cause
- preventable
- +6 more
Rows
356,609
Tables
8
Checks
95 of 95
Free previewProfile and preview

Free sample databases

fact_sales, rows per monthJan 2024 – Dec 2025
Retail star schema
A dimensional model you can actually practise joins on: one fact table, four dimensions, 47,051 rows, every join resolving and every total known.
Rows
47,051
Tables
5
Keys
4, 0 orphans
0.8 MBExplore
readings.vibration_mm_s0.72 – 6.62
Machine degradation
100 machines monitored from commissioning to failure, with an exact remaining-useful-life label on every one of 23,118 readings.
Rows
46,336
Tables
3
Keys
2, 0 orphans
526 KBExplore
orders, rows per monthJan 2025 – Dec 2025
Ecommerce storefront
A year of orders across five joined tables, with best sellers, heavy buyers, a real Q4 peak and totals that reconcile to the cent.
Rows
49,493
Tables
5
Keys
5, 0 orphans
492 KBExplore
invoices, rows per monthJan 2025 – Dec 2025
B2B SaaS subscription analytics
Accounts, seats, MRR, churn and support load, where company size actually drives the plan.
Rows
42,240
Tables
5
Keys
4, 0 orphans
634 KBExplore
loans, rows per monthJan 2022 – Nov 2025
Credit risk portfolio
3,000 borrowers and 4,200 commercial loans, where a credit rating actually predicts whether the loan defaults, at the rate S&P's own data says it should.
Rows
7,200
Tables
2
Keys
1, 0 orphans
136 KBExplore
flows, rows by hour of day00:00 – 23:00
Network intrusion / netflow
500 hosts and 20,000 labeled flows, where a port scan, a DDoS flood, and a brute-force attempt each carry the real statistical signature their MITRE ATT&CK technique actually leaves in traffic.
Rows
20,500
Tables
2
Keys
2, 0 orphans
515 KBExplore
intervals, rows by hour of day00:00 – 23:00
Contact center queueing (Erlang C)
4 queues, 2,400 half-hour intervals over a full business month, where agents_staffed is what Erlang C (1917) says is actually required to clear each queue's own SLA target, not a plausible-looking number.
Rows
2,404
Tables
2
Keys
1, 0 orphans
50 KBExplore
subgroups.xbar1.97 – 47.27
Manufacturing SPC (Cpk / Xbar-R)
5 processes, 450 subgroups, 2,250 measurements, where process capability and out-of-control detection come from a real Xbar-R control chart -- including one process with an engineered tool-wear drift that actually trips Western Electric rules where it happens.
Rows
2,710
Tables
4
Keys
3, 0 orphans
23 KBExplore
transactions, rows per monthMar 2026 – Aug 2026
Synthetic AML transaction dataset with labelled typologies and ground truth
A bank's customers, accounts and transactions, with the laundering typologies labelled, the rule-based alerts raised, and the cases and SARs that followed.
Rows
44,612
Tables
6
Keys
8, 0 orphans
755 KBExplore
treatment_visits, rows per monthJan 2025 – Aug 2026
Clinical trial: sites, patients, visits and adverse events
Two trials across nine sites: enrolment, scheduled visits, dosing, lab biomarkers and graded adverse events, all in the right order.
Rows
22,496
Tables
7
Keys
13, 0 orphans
208 KBExplore
lab_results, rows per monthSep 2024 – Sep 2026
Hospital encounters, diagnoses and claims
Patients, providers, encounters, ICD-10 diagnoses, prescriptions, labs and insurance claims that reconcile from billed to paid.
Rows
39,946
Tables
7
Keys
11, 0 orphans
735 KBExplore
sensor_readings, rows per monthSep 2025 – Aug 2026
Factory sensors with failure labels
A year of hourly sensor readings from six machines, with the degradation stage, remaining useful life, and the failures and work orders they lead to.
Rows
52,669
Tables
5
Keys
4, 0 orphans
894 KBExplore

Need one shaped like your data?

These are fixed samples. In Misata Studio you describe what you need and get connected tables with your numbers exactly right, profiled like these, with a record of what was checked and every export format.

Join the waitlist Have us build it

Other free tools

Fully synthetic. No real person, company, or transaction is represented, and no production data was read to make these. Released under CC0: use them in portfolios, courses, demos, or products without attribution.