Attribute

MaxStringSize (MSS)

Purpose

Specifies the maximum size of columns of the String data type that the driver describes through result set descriptions and catalog functions.

Valid Values

A positive integer from 255 to x

where:

x
is maximum size of columns defined as the String data type.

Notes

  • Microsoft Access and Tableau users must configure this option to the following values:
    • For Microsoft Access, specify a value of 255.
    • For Tableau, specify a value from 255 to 4000 that suits your environment.
  • The value specified for the String Describe Type connection option determines whether the String data type maps to the SQL_WVARCHAR or SQL_WLONGVARCHAR ODBC data types.
  • Max String Size replaces the Max Varchar Size connection option.

Default

2147483647

GUI Tab

Advanced tab