Retrieves all the extra characters that can be used in unquoted identifier names, such as those beyond a-z, A-Z, 0-9, and _.
public java.lang.String getExtraNameCharacters()
Return Value
A string that contains the extra characters.
Exceptions
Remarks
This getExtraNameCharacters method is specified by the getExtraNameCharacters method in the java.sql.DatabaseMetaData interface.
When using the Microsoft SQL Server 2005 JDBC Driver with a SQL Server database, this method returns the $, #, and @ extra characters.