JDBC: what exactly does nullsAreSortedHigh() return?

Hi all,

  I am a bit confused about the method
java.sql.DatabaseMetaData.nullsAreSortedHigh(). What exactly does this return? If this returns true, are nulls considered as the highest value? Or does this mean that nulls comes first when sorted in ascending order (opposite in meaning to the first).

Consider this.

• Oracle returns false. Nulls are last when sorted in ascending order.
• MSSQL2K returns true. Nulls are first when sorted in ascending order.
• Postgres returns true. Nulls are last when sorted in ascending order.

Now, behavior of Oracle and Postgres is same in terms of sort order, but they return different values.

Who is right? Received on Thu Jun 03 2004 - 01:25:50 CDT