# Namespace OptimaJet.Workflow.SQLite ## Classes - [ColumnInfo](https://api.workflowengine.io/sqlite/OptimaJet.Workflow.SQLite/ColumnInfo/) Describes a column in a SQLite database table. - [DbObject](https://api.workflowengine.io/sqlite/OptimaJet.Workflow.SQLite/DbObject-TEntity/) Base class for SQLite database entity operations providing CRUD, query execution, and data mapping. - [Extensions](https://api.workflowengine.io/sqlite/OptimaJet.Workflow.SQLite/Extensions/) Extension methods for SQLite exception handling. - [FileSchemePersistenceSqliteProvider](https://api.workflowengine.io/sqlite/OptimaJet.Workflow.SQLite/FileSchemePersistenceSqliteProvider/) SQLite-based workflow provider that stores workflow schemes in files instead of the database. Inherits all persistence and runtime functionality from [SqliteProvider](https://api.workflowengine.io/sqlite/OptimaJet.Workflow.SQLite/SqliteProvider/). - [ProcessInstanceTree](https://api.workflowengine.io/sqlite/OptimaJet.Workflow.SQLite/ProcessInstanceTree/) Database object for querying the process instance tree hierarchy. - [SqliteProvider](https://api.workflowengine.io/sqlite/OptimaJet.Workflow.SQLite/SqliteProvider/) SQLite-based implementation of IWorkflowProvider and IMigratable that provides persistence for workflow processes, schemes, timers, approval history, and forms. - [WorkflowApprovalHistory](https://api.workflowengine.io/sqlite/OptimaJet.Workflow.SQLite/WorkflowApprovalHistory/) Database object for workflow approval history operations. - [WorkflowGlobalParameter](https://api.workflowengine.io/sqlite/OptimaJet.Workflow.SQLite/WorkflowGlobalParameter/) Database object for workflow global parameter operations. - [WorkflowInbox](https://api.workflowengine.io/sqlite/OptimaJet.Workflow.SQLite/WorkflowInbox/) Database object for workflow inbox operations. - [WorkflowProcessInstance](https://api.workflowengine.io/sqlite/OptimaJet.Workflow.SQLite/WorkflowProcessInstance/) Database object for workflow process instance operations. - [WorkflowProcessInstancePersistence](https://api.workflowengine.io/sqlite/OptimaJet.Workflow.SQLite/WorkflowProcessInstancePersistence/) Database object for workflow process instance persistence parameter operations. - [WorkflowProcessInstanceStatus](https://api.workflowengine.io/sqlite/OptimaJet.Workflow.SQLite/WorkflowProcessInstanceStatus/) Database object for workflow process instance status operations. - [WorkflowProcessScheme](https://api.workflowengine.io/sqlite/OptimaJet.Workflow.SQLite/WorkflowProcessScheme/) Database object for workflow process scheme operations. - [WorkflowProcessTimer](https://api.workflowengine.io/sqlite/OptimaJet.Workflow.SQLite/WorkflowProcessTimer/) Database object for workflow process timer operations. - [WorkflowProcessTransitionHistory](https://api.workflowengine.io/sqlite/OptimaJet.Workflow.SQLite/WorkflowProcessTransitionHistory/) Database object for workflow process transition history operations. - [WorkflowScheme](https://api.workflowengine.io/sqlite/OptimaJet.Workflow.SQLite/WorkflowScheme/) Database object for workflow scheme storage, querying, and tag management operations. ## Sub-namespaces - [Migrations](https://api.workflowengine.io/sqlite/OptimaJet.Workflow.SQLite.Migrations/) - [Models](https://api.workflowengine.io/sqlite/OptimaJet.Workflow.SQLite.Models/)