How exactly do I use nulls in sql and java?
What I mean is, when I want a column in my database to be set to null, can I
just use
prepStmt.setString(1, null)
and would this work for setting columns of any type?
Conversely, for reading values in that are a null in sql, could I for example
say
String str = resltSet.getString("columnName");
if (str.equals(null))
{
....
}
and again, is this valid for any type in java or sql?
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