Database fixtures: check engine support and product status. Choose around your required workflow, not a universal winner.
Redgate SQL Data Generator creates schema-aware synthetic rows for SQL Server and supported hosted deployments, with foreign-key consistency, custom generators, command-line automation, and fixed-seed repeatability.
Best for SQL Server teams needing fast, schema-aware synthetic data, foreign-key consistency, custom generators, command-line automation, and repeatable seeded runs.
Datanamic Data Generator creates schema-aware rows for nine platforms, with direct inserts or SQL, customizable generators, and foreign-key integrity. Vendor says it is no longer a core product.
Best for teams needing straightforward synthetic test data across Datanamic’s explicitly listed relational databases, with direct inserts or SQL scripts and customizable field generators.
Use the same target schema and business acceptance criteria for both products. Check source-data dependencies, operating model, exact edition and current product status. Document setup effort and failure recovery separately from row-generation speed.
| Decision criteria | Redgate SQL Data Generator | Datanamic Data Generator |
|---|---|---|
| Required inputs | SQL Server schema and configured column generators. | Supported database schema and column-generator configuration. |
| What you get | Inserted SQL Server fixture rows. | Direct inserts or SQL INSERT scripts. |
| Who operates it? | Windows desktop/SSMS; supported hosted SQL Server targets also documented. | Windows tool with database-specific support. |
| Repeatability to verify | Fixed seed · SQL Server workflow | Replay scope is unresolved; test the required values or bytes. |
| Export and reuse | Export both data and configuration; demonstrate reuse with its dependencies. | Export both data and configuration; demonstrate reuse with its dependencies. |
| License / edition | Commercial annual per-user subscription; a 14-day trial and SQL Toolbelt Essentials packaging are documented. Public pricing varies with license quantity; use the linked vendor page for current terms. | Official purchase page lists Standard and Professional with monthly, annual, multi-year and perpetual options. Perpetual use retains the purchased version; subscriptions provide current versions while active. Confirm support and availability before purchase. |
| Synthetic generation | SQL Server schema-based fixtures | Schema-aware database fixtures |
| De-identification / masking | UnclearThe cited sources do not establish this capability for the assessed product and edition. | UnclearThe cited sources do not establish this capability for the assessed product and edition. |
| Subsetting / subset planning | UnclearThe cited sources do not establish this capability for the assessed product and edition. | UnclearThe cited sources do not establish this capability for the assessed product and edition. |
| Data virtualization | UnclearThe cited sources do not establish this capability for the assessed product and edition. | UnclearThe cited sources do not establish this capability for the assessed product and edition. |
| Seeded replay, scoped | Fixed seed · SQL Server workflow | UnclearThe cited sources do not establish this capability for the assessed product and edition. |
Vendor documentation is not a measured head-to-head benchmark. Unresolved requirements need evidence; documented capabilities link to their sources.
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