Returns a String enclosed in single quotes. Any occurrence of a single quote within the string will be replaced by two single quotes.

Examples of the conversion:

Value	Result
Hello	'Hello'
G'Day	'G''Day'
'G''Day'	'''G''''Day'''
I'''M	'I''''''M'

Parameters:

val

a character string

Returns:  A string enclosed by single quotes with every single quote converted to two single quotes

Exceptions:

NullPointerException		if val is null
SQLException		if a database access error occurs

Since:  9

@implNote JDBC driver implementations may need to provide their own implementation of this method in order to meet the requirements of the underlying datasource.