RAD Studio VCL Reference
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Classes

The following table lists classes in this documentation.

 
Name 
Description 
 
Implementation of writable ANSI string values. 
 
Implementation of binary-compressed decimal values. 
 
Implementation of writable boolean values. 
 
Implementation of writable byte array values. 
 
Allows for primitive retrieval of data using byte arrays. 
 
This is class DBXCommon.TDBXByteReaderEx. 
 
Used internally by driver implementations and TDBXStreamValue
 
Class to execute SQL statements and stored procedures 
 
Extension of TDBXCommand
 
This is class DBXCommon.TDBXCommandFactory. 
 
Type of command to be executed by a TDBXCommand 
 
Connection for the dbExpress driver framework 
 
Utility class used by driver writers when connections are created. 
 
Temporary extension of TDBXConnection class. 
 
Abstract base class used for creating new instances of TDBXConnection 
 
Context information for a connection. 
 
Implementation of TDBXWritableValue for TDBXDataTypes.CursorType. 
 
Common database specific metadata. 
 
Temporary extension of TDBXDatabaseMetaData
 
Data types supported by the dbExpress framework (TDBX). 
 
Data types supported by dbExpress. 
 
Implementation of writable date type values. 
 
Delegate driver base class. 
 
Used by driver implementors. 
 
Implementation of double-precision floating point values. 
 
Driver class for DBX framework. 
 
This is class DBXCommon.TDBXDriverEx. 
 
Used by driver implementors to access private or protected API. 
 
This is class DBXCommon.TDBXDriverHelpEx. 
 
Collection of parameters needed when loading a driver. 
 
Registry for TDBXDriverLoader keyed by driver name. 
 
Exception type for all dbExpress framework (TDBX) errors. 
 
Error codes for dbExpress framework (TDBX) exceptions 
 
Creates new instances of TDBXConnection from the dbxdrivers.ini and dbxconnections.ini files 
 
 
Implementation of 16-byte integer values. 
 
Implementation of writable 32-byte integer values. 
 
Implementation of writable 64-byte integer values. 
 
Isolation levels supported by TDBXTransaction
 
Used internally by driver implementations and TDBXStreamValue
 
Implementation of TDBXConnectionFactory that does not load driver and connection properties. 
 
Column names for metadata. 
 
List of available metadata commands to get metadata. 
 
Temporary extension of TDBXMetaDataCommands class. 
 
Keyword for metadata. 
 
Constants passed to TDBXMetaDataCommands.GetProcedures metadata command. 
 
Constants for the GetTables metadata command 
 
Temporary extension of TDBXMetaDataTableTypes class. 
 
This is class DBXCommon.TDBXNullValue. 
 
Individual parameters for queries and stored commands. 
 
Parameter types supported by TDBXParameter 
 
Extension of TDBXParameter
 
A collection of TDBXParameter instances that can be used to get and set parameters for a TDBXCommand
 
Manages connection and driver level name/value pair property settings. 
 
Contains a set of TDBXProperties
 
Property names for connections and drivers. 
 
Temporary extension of TDBXPropertyNames class. 
 
TDBXReader provides a unidirectional reader for a collection of database rows 
 
Implementation of TDBXByteReader
 
Represents a row in a database. 
 
This is class DBXCommon.TDBXRowEx. 
 
This is class DBXCommon.TDBXStateItem. 
 
This is class DBXCommon.TDBXStateItemList. 
 
Used internally by driver implementations and TDBXStreamValue
 
Implementation of TDBXWritableValue for TDBXDataTypes.ByteArrayType values. 
 
Implementation of writable timestamp values. 
 
Implementation of writable time values. 
 
Flags to indicate tracing type. 
 
Transaction management class. 
 
Gets and sets values for TDBXReader and TDBXParameterList classes. 
 
Manage a list of TDBXValueType instances. 
 
Metadata for TDBXReader columns and TDBXParameter parameters. 
 
Extension of TDBXValueType
 
Flags used by TDBXValueType
 
Temporary extension of TDBXValueTypeFlags class. 
 
This is class DBXCommon.TDBXWideCharsValue. 
 
Implementation of writable wide string values. 
 
Extension of TDBXValue that adds the ability to set a value. 
 
Name 
Description 
 
Trace information for TDBXTraceEvent handlers. 
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