YndigoBlue — Cross-Vendor .NET Database Access

YndigoBlue · Velocity Framework

Cross-vendor .NET database access through a single, consistent API

Write your data layer once. Deploy against DB2, MySQL, PostgreSQL, Oracle, SQL Server, SQLite or Teradata with zero code changes.

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OrderRepository.cs

// Type-safe query — no raw SQL, no strings
var query = new Query()
    .Select([Order.Table["order_id"], Order.Table["customer"], Order.Table["total"]])
    .From(Order.Table)
    .Where(new Criterion<decimal>(Order.Table["total"], CriterionType.GreaterThan, 100m))
    .OrderBy(Order.Table["created_at"], OrderClauseType.Descending);

// Works identically on every supported database
using var manager = new Manager(connection);
IList<Order> orders = manager
    .Retrieve(query)
    .BindResults<Order>(BindingType.Attribute);

YndigoBlue · .NET Global Tool

Schema builds, data loads and migrations, with one command

Foundry puts the full power of the Velocity Framework engine in your terminal, your CI/CD pipeline, or your deployment scripts, no bespoke C# project required.

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terminal

# Install once, globally dotnet tool install -g YndigoBlue.Foundry # Build the schema against a live database foundry build schema --datasource connection.json --file schemas/customers.xml # Import seed data straight from CSV foundry import --datasource connection.json --schema dbo --table customer --file customer.csv # Run a multi-step deployment from a single project file foundry run deploy.json

YndigoBlue · Teradata Extension

Enterprise full-text search, native to Teradata

BM25-ranked search inside any Teradata database, no middleware, no external search engine, pure SQL stored procedures.

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Included with all YndigoBlue subscriptions

fts_setup.sql

-- 1. Build a full-text index on any existing table
CALL fts_metadata.CREATE_FTS_INDEX_C('products_idx', 'mydb', 'products',
    'product_id', 'name, description', result_msg);

-- 2. Index a single document after an INSERT
CALL fts_metadata.INDEX_DOCUMENT_C('products_idx', CAST(new_product_id AS VARCHAR(512)), result_msg);

-- 3. Ranked search -- results written to fts_search_results (TD20)
CALL fts_metadata.SEARCH_FTS('products_idx', 'wireless noise cancelling', 'mydb.products',
    'product_id', 'product_id, sku, name', 10);
SELECT * FROM fts_search_results ORDER BY score DESC;

YndigoBlue · Velocity Framework

Geospatial queries across every database

First-class Geography and Geometry types with a unified API. Proximity search, distance calculation, and spatial indexing, no vendor-specific SQL required.

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Geography Geometry WGS 84 Proximity Search 7 Databases

7 engines

One Code Path

Seven engines, no per-vendor repositories to keep in step.

See the List

1 file

One Schema File

Version your schema in XML, JSON or YAML. Any engine, one file.

Schema Docs

0 vendor SQL

Where ORMs Stop

Spatial, full-text search and bulk load, abstracted across all seven.

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$0 to start

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Free on nuget.org. One command, no signup. MySQL and PostgreSQL.

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From the blog

All posts

September 2, 2026

Cross-vendor .NET database access through a single, consistent API

Schema builds, data loads and migrations, with one command

Enterprise full-text search, native to Teradata

Geospatial queries across every database

One Code Path

One Schema File

Where ORMs Stop

Start Free on nuget.org

From the blog

Importing and Exporting GeoJSON

Writing a Cross-Database .NET Application

Data Binding for Relational Tables

Spatial Data Across Relational Databases

Cross-vendor .NET database access — Velocity, Foundry and Teradata Full-Text Search

Cross-vendor .NET database access through a single, consistent API

Schema builds, data loads and migrations, with one command

Enterprise full-text search, native to Teradata

Geospatial queries across every database

One Code Path

One Schema File

Where ORMs Stop

Start Free on nuget.org

From the blog

Importing and Exporting GeoJSON

Writing a Cross-Database .NET Application

Data Binding for Relational Tables

Spatial Data Across Relational Databases