MATLAB DATABASE TOOLBOX RELEASE NOTES Podręcznik Użytkownika Pobierz pdf (Strona 660)

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101

7 Functions — Alphabetical List

7-230

Statement: 0

Fetch: 0

The error appears in the cursor object Message field. Furthermore, the Data field

contains empty handles because no attributes could be created. If the ErrorHandling

property is set to store, the Data field contains 0.

Close the connection.

close(conn)

Change Multiple Settings

Change multiple database preference simultaneously using setdbprefs.

Specify that NULL strings are read from the database into a MATLAB matrix of doubles

as 'NaN'.

setdbprefs({'NullStringRead';'DataReturnFormat'},...

{'NaN';'numeric'})

For details about another way to change multiple settings, see “Assign Values to a

Structure” on page 7-230.

Assign Values to a Structure

Assign values for specific preferences in a structure to let you change multiple database

preferences simultaneously.

Assign values for preferences to fields in the structure s.

s.DataReturnFormat = 'numeric';

s.NullNumberRead = '0';

s.TempDirForRegistryOutput = 'C:\Work'

s =

DataReturnFormat: 'numeric'

NullNumberRead: '0'

TempDirForRegistryOutput: 'C:\Work'

Set preferences using the values in s.

setdbprefs(s)

Run setdbprefs to check your preferences settings.

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