Data.DB.TIndexDef

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[–] Properties Type: class Visibility: public Source:

Data.DB.pas

Data.DB.hpp

Unit: Data.DB Parent: Data.DB

Delphi

TIndexDef = class(TNamedItem)

C++

class PASCALIMPLEMENTATION TIndexDef : public TNamedItem

Description

TIndexDef describes an index in a database table.

Use the properties and methods of an index definition to:

• Set the attributes of a new index in a table created with TTable.CreateTable or TClientDataSet.CreateDataSet.
• Determine the name of an index.
• Identify the fields that make up the index or the dBASE expression that orders the index.
• Determine the characteristics of the index.

Note: You cannot use TIndexDef objects in a dataset component's IndexDefs property to add indexes to already existing tables. To do that, use methods such as TTable.AddIndex and TClientDataSet.AddIndex.

See Also

• TIndexDefs

• AddIndexDef

• TCustomClientDataSet

• Creating and Deleting Tables