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Driver Constraints

The following limits apply to the c-tree ODBC Driver. Addition limits may be imposed by third-party ODBC applications.

Description

Value

Concurrently open tables:

16-bit multi-user non-server driver

All others

 

305

405

Number of rows:

2 billion

Number of columns in a query:

256

Size of a column:

2 gigabytes

Number of connections:

limited by memory

Table, index and column name length:

64 characters

Table qualifier:

68 characters

Maximum characters in a literal:

1000

Maximum columns in a CREATE TABLE statement:

256

Maximum ANDed predicates:

This example uses three ANDed predicates:

SELECT * FROM abc
WHERE c1 AND c2 AND c3 AND c4

300

Number of joined tables:

limited by memory