Retrieves all the extra characters that can be used in unquoted identifier names, such as those beyond a-z, A-Z, 0-9, and _.
Syntax
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 JDBC Driver with a SQL Server database, this method returns the $, #, and @ extra characters.