IBCClasses unit defines the following data type constants:
dtDbKey
	dtFixedChar
	dtFixedWideChar
Classes
  
    | Name | Description | 
  
    | TGDSDatabaseInfo | A class providing information about an InterBase database. | 
  
    | TIBCBlob | A class holding value of the BLOB fields and parameters. | 
Enumerations
  
    | Name | Description | 
  
    | TIBCIsolationLevel | Specifies the transaction isolation level and access mode. | 
Routines
  
    | Name | Description | 
  
    | Reverse2 | Switches places of bytes in the word argument. | 
  
    | Reverse4 | Switches places of bytes in the cardinal argument. | 
  
    | XSQLDA_LENGTH | Analogue of InterBase XSQLDA_LENGTH macro. Calculates the number of bytes that must be allocated for an input or output XSQLDA. | 
Variables
  
    | Name | Description | 
  
    | IntegerPrecision | Set this constant to define the type of NUMERIC and DECIMAL fields with precision less or equal than IntegerPrecision as dtInteger. Otherwise, they are defined as dtFloat. |