Driver Boundaries

Advantage ODBC Driver

The Advantage ODBC Driver has defined limits for the data size and the manner in which you reference the data. The Advantage Database Server and the ODBC driver interface determine these boundaries. The following boundaries apply to the Advantage ODBC Driver:

Description

Amount

Number of Rows

2 billion

Number of Database Connections

Determined by Memory

Number of Statements per Connection

Determined by Memory

Table Name Length (File Name)

255 characters

Column Name Length

10 characters for DBF, 128 characters for ADT tables and Visual FoxPro tables in data dictionaries

Table Qualifier (Path)

255 characters

Number of Index Files per Table

15

Number of Tags per CDX/ADI Index File

50

Number of Joined Tables

Determined by Memory

Largest Memo Field

4 gigabytes

Largest Binary Field

4 gigabytes

Largest Record Size

64K