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Sets the designated parameter to a null value, given the type and name of the parameter to set.
Syntax
public void setNull(java.lang.String sCol,
int nType,
java.lang.String sTypeName)
Parameters
sCol
A String that contains the parameter name.
nType
A JDBC type code that is defined by java.sql.Types.
sTypeName
A String that indicates the fully qualified name of the parameter that is being set.
Exceptions
Remarks
This setNull method is specified by the setNull method in the java.sql.CallableStatement interface.