# Business Interface

- [Introduction](/modelling/command-handling/business-interface/introduction.md): Introduction to Business Interfaces in Ecotone PHP
- [Database Business Interface](/modelling/command-handling/business-interface/working-with-database.md): Database Business Interface for type-safe database access in PHP
- [Converting Parameters](/modelling/command-handling/business-interface/working-with-database/converting-parameters.md): Converting parameters in Database Business Interface queries
- [Converting Results](/modelling/command-handling/business-interface/working-with-database/converting-results.md): Converting query results in Database Business Interface