Sybase 12.4.2 - Manual (Page 88)

Creating and editing ODBC data sources
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Microsoft applications (keys in SQL Statistics) Check this box if you
wish foreign keys to be returned by SQL statistics. The ODBC specifications
states that primary and foreign keys should not be returned by SQL statistics,
however, some Microsoft applications (such as Visual Basic and Access)
assume that primary and foreign keys are returned by SQL statistics.
Delphi applications Check this box to improve performance for Borland
Delphi applications. When this option is checked, one bookmark value is
assigned to each row, instead of the two that are otherwise assigned (one for
fetching forwards and a different one for fetching backwards).
Delphi cannot handle multiple bookmark values for a row. If the option is
unchecked, scrollable cursor performance can suffer since scrolling must
always take place from the beginning of the cursor to the row requested in order
to get the correct bookmark value.
Prevent Driver Not Capable errors The Adaptive Server Anywhere
ODBC driver returns a
Driver not capable
error code because it does not support qualifiers. Some ODBC applications do
not handle this error properly. Check this box to disable this error code,
allowing such applications to work.
Delay AutoCommit until statement close Check this box if you wish the
Adaptive Server Anywhere ODBC driver to delay the commit operation until
a statement has been closed.
Describe cursor behavior Select how often you wish a cursor to be re-
described when a procedure is executed or resumed.
Test Connection Tests if the information provided will result in a proper
connection. In order for the test to work a user ID and password must have been
specified.