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DataDirect OpenAccess SDK Help

DescribeVarcharAsLongvarchar

  • Last Updated: May 12, 2026
  • 1 minute read
    • OpenAccess SDK
    • Version 9.0
    • Documentation

Attribute

DescribeVarcharAsLongvarchar (DVAL)

Description

Describes a (W)(VAR)CHAR(n) as (W)LONGVARCHAR when n is larger than a specified value. This workaround sets this size n. This workaround is typically used in Oracle Heterogeneous Services, which does not support VARCHAR longer than 4096.

Valid Values

0 | x

where x is a positive integer from 1 to 65535. A value of 0 means that no data type mapping is done.

Default

0

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