DbDataReader
E827337
DbDataReader is an abstract ADO.NET class that provides a forward-only, read-only cursor for efficiently retrieving query results from a data source.
All labels observed (6)
| Label | Occurrences |
|---|---|
| DbDataReader canonical | 1 |
| IDataReader | 1 |
| OleDbDataReader | 1 |
| OracleDataReader | 1 |
| SqlDataReader | 1 |
| System.Data.Common.DbDataReader | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9898118 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: DbDataReader Context triple: [ADO.NET, coreClass, DbDataReader]
-
A.
DirectQuery
DirectQuery is a data access mode in Microsoft analytics services that allows real-time querying of underlying data sources without importing the data into the model.
-
B.
ODBC
ODBC (Open Database Connectivity) is a standard API that enables applications to access and query data from a wide variety of relational and non-relational database management systems using a common interface.
-
C.
.NET Data Provider for SQL Server
.NET Data Provider for SQL Server is a specialized ADO.NET component that enables high-performance, managed access to Microsoft SQL Server databases from .NET applications.
-
D.
ADO.NET
ADO.NET is a data access framework in the .NET ecosystem that enables applications to connect to, retrieve, manipulate, and update data from various data sources such as relational databases and XML.
-
E.
OLE DB
OLE DB is a Microsoft data access API that provides a uniform way for applications to access data from a variety of relational and non-relational data sources.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: DbDataReader Target entity description: DbDataReader is an abstract ADO.NET class that provides a forward-only, read-only cursor for efficiently retrieving query results from a data source.
-
A.
DirectQuery
DirectQuery is a data access mode in Microsoft analytics services that allows real-time querying of underlying data sources without importing the data into the model.
-
B.
ODBC
ODBC (Open Database Connectivity) is a standard API that enables applications to access and query data from a wide variety of relational and non-relational database management systems using a common interface.
-
C.
.NET Data Provider for SQL Server
.NET Data Provider for SQL Server is a specialized ADO.NET component that enables high-performance, managed access to Microsoft SQL Server databases from .NET applications.
-
D.
ADO.NET
ADO.NET is a data access framework in the .NET ecosystem that enables applications to connect to, retrieve, manipulate, and update data from various data sources such as relational databases and XML.
-
E.
OLE DB
OLE DB is a Microsoft data access API that provides a uniform way for applications to access data from a variety of relational and non-relational data sources.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
ADO.NET class
ⓘ
abstract class ⓘ |
| accessMode | read-only ⓘ |
| assemblyNamespace |
System.Data.Common
ⓘ
linked to:
System.Data.Common.dll
|
| baseClassOf |
OdbcDataReader
ⓘ
OleDbDataReader ⓘ
linked to:
DbDataReader
OracleDataReader ⓘ
linked to:
DbDataReader
SqlDataReader ⓘ
linked to:
DbDataReader
|
| category | data access API ⓘ |
| cursorType | forward-only ⓘ |
| definedIn | System.Data.Common.dll ⓘ |
| designGoal | provider-independent data reading abstraction ⓘ |
| hasMethod |
Close()
ⓘ
Dispose() ⓘ GetFieldType(Int32) ⓘ GetName(Int32) ⓘ GetOrdinal(String) ⓘ GetSchemaTable() ⓘ GetValue(Int32) ⓘ GetValues(Object[]) ⓘ IsDBNull(Int32) ⓘ NextResult() ⓘ Read() ⓘ |
| hasProperty |
Depth
ⓘ
FieldCount ⓘ HasRows ⓘ IsClosed ⓘ Item[Int32] ⓘ Item[String] ⓘ RecordsAffected ⓘ |
| implements |
IDataReader
ⓘ
linked to:
DbDataReader
IDataRecord ⓘ IDisposable ⓘ |
| inheritsFrom |
DbDataRecord
ⓘ
MarshalByRefObject ⓘ
linked to:
System.MarshalByRefObject
|
| introducedIn |
.NET Framework 2.0
ⓘ
linked to:
.NET Framework
|
| lifecycle | must be closed or disposed after use ⓘ |
| memberOf | ADO.NET ⓘ |
| partOf |
System.Data.Common namespace
ⓘ
linked to:
System.Data
|
| platform |
.NET
ⓘ
.NET 5+ ⓘ .NET Core ⓘ .NET Framework ⓘ |
| purpose | efficiently retrieving query results from a data source ⓘ |
| supports |
multiple result sets
ⓘ
schema information retrieval ⓘ typed accessors for column values ⓘ |
| threadSafety | not guaranteed for instance members ⓘ |
| usagePattern | obtained from DbCommand.ExecuteReader() ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: DbDataReader Description of subject: DbDataReader is an abstract ADO.NET class that provides a forward-only, read-only cursor for efficiently retrieving query results from a data source.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: DbDataReader
linked to: DbDataReader
linked to: DbDataReader
linked to: DbDataReader
linked to: DbDataReader