setNull Method (int, int, java.lang.String)

Sets the designated parameter to a null value, given the type and name of the parameter to set.

public final void setNull(int paramIndex,
                          int sqlType,
                          java.lang.String typeName)

paramIndex

An int that indicates the parameter number.

sqlType

A JDBC type code defined by java.sql.Types.

typeName

A String that indicates the fully qualified name of the parameter that is being set.

例外狀況

This setNull method is specified by the setNull method in the java.sql.PreparedStatement interface.