Classes
| Class | Description | |
|---|---|---|
 | ActionsConfigUtilities | Auxiliary class for the ActionsConfig enumeration. |
| AggregationQueryFunction | The aggregate function of the expression. |
| BaseHint | Basic class of the table hint. |
| BufferingDataReader | A data reader that allows data to be buffered. |
| CastQueryFunction | Function of casting the argument expression to the specified data type. |
| CoalesceQueryFunction | Function that returns the first expression that is not equal to null from the list of arguments. |
| Column | Provides utility methods for working with expressions of query columns. |
| ConcatQueryFunction | Function for generating a string that is a result of combining string values of the function arguments. |
| CreateGuidQueryFunction | The expression function of the new identifier. |
| CurrentDateTimeQueryFunction | The function of the current date and time expression. |
| CustomQueryFunction | Custom function. |
| DataLengthQueryFunction | Function for calculating the bytes used to represent the expression of column with passed name. |
| DateAddQueryFunction | Function of the expression of the date yielded by adding the specified time span to the specified date. |
| DateDiffQueryFunction | The function of expressing the date difference obtained by subtracting the specified dates. |
| DatePartQueryFunction | The expression function for the datepart of the Date/Time type. |
| DBCommentEngine | |
| DBCommentMetaPropertiesCollection | |
| DBCommentMetaPropertyCollection | |
| DBConfigurationElement | |
| DBLobUtilities | |
| DBMetaActionExecuteException | |
| DBSectionCollection | |
| Delete | Query to delete data. |
| ForceSeekHint | Class of the table hint "Use search in the index". |
| Func | Provides utility methods for working with functions. |
| HierarchicalSelectOptions | Parameters used to built hierarchical queries. |
| HintCollection | |
| Hints | Class of table hints. |
| HintsHelper | |
| IndexHint | Class of the table hint "Use the index". |
| Insert | Query to insert data. |
| IsNullQueryFunction | Function for replacing the null value with the placeholder expression. |
| Join | The Join query operator. |
| JoinCollection | The collection of operators of the Join query. |
| LengthQueryFunction | Function for returning the length of expression. |
| NoLockHint | Class of the table hint "Reading invalid results". |
| OrderByItem | Represents the expression by which the query results are sorted. |
| OrderByItemCollection | The collection of expressions by which the query results are sorted. |
| PageableSelectCondition | Represents the condition for the paged output query. |
| PageableSelectOptions | Parameters of the paged output of the query results. |
| Query | Base class of the data base query. |
| QueryCase | CASE operator expression. |
| QueryCaseItem | Item of the CASE condition. |
| QueryColumnExpression | The query column expression. |
| QueryColumnExpressionCollection | Collection of column expressions. |
| QueryCondition | The query condition. |
| QueryFunction | Base class of the expression function. |
| QueryParameter | Represents the query parameter. |
| QueryParameterCollection | Collection of the query parameters. |
| QueryParameterUtilities | Provides utility methods for working with query parameters. |
| QuerySourceExpression | The expression of the query data source. |
| QueryUtilities | Provides utility methods for working with queries to the database. |
| RowLockHint | Class of the table hint "Lock by records". |
| SchemaDBActionMessageEventArgs | Provides message about action for entity schema structure changing. |
| Select | Query to select data. |
| SelectQueryCollection | Collection of data select queries. |
| Sequence | Sequence object in database. |
| SequenceMap | Sequence map, stores sequence objects. |
| Source | Provides utility methods for working with the query data source. |
| SubstringQueryFunction | Function which gets part of a string. |
| TrimQueryFunction | Function for removing leading and trailing spaces from an expression. |
| Update | Query to update data. |
| UpperQueryFunction | The function for converting characters of the argument expression to uppercase. |
| WindowQueryFunction | SQL window function. |
Interfaces
| Interface | Description | |
|---|---|---|
 | IBufferingDataReader | Provides a means for buffering the data from System.Data.IDataReader. |
| ICacheableQuery | Provides methods and properties of the cached query. |
| IDataValueTypeFactory | Provides functionality to creating instance of a data value class. |
| IDBCommand | Represents the SQL command. |
| IDBCommentEngine | Provides methods for working with DB meta propeties based on DB comments. |
| IDBReadableCommand | Represents the SQL operator that can be used to read data. |
| INonMarsDbExecutor | Provides a means for executing commands for DBs without MARS support. |
| IParametrizedQuery | Provides methods and properties of the parameterized query. |
| IQueryColumnExpressionsCollector | |
| IQueryExpression | Provides methods and properties of the query expression. |
Enumerations
| Enumeration | Description | |
|---|---|---|
 | ActionsConfig | Bit flags enumeration of update settings of the database structure. |
| AggregationEvalType | The scope of the aggregate function. |
| DateDiffQueryFunctionInterval | Unit of measurement of the date difference. |
| DatePartQueryFunctionInterval | Datepart. |
| HintType | Type of table hint. |
| JoinType | The Join type of operator. |
| PageableSelectDirection | Direction of the paged output. |
| QueryColumnExpressionType | The type of the column expression. |
| QueryConditionType | The type of the query condition. |
| QuerySourceExpressionType | The type of the expression of the query data source. |