This procedure is used to determine which transaction isolation
10 * levels are supported by this ASE server. This proc is registered
11 * with the spt_mda table to be executed when the user calls:
12 * DatabaseMetaData.supportsTransactionIsolationLevel(int) .
13 * If the int specified is found in the row returned by this procedure,
14 * then that level is supported. The levels are indicated by using the
15 * integer mappings found in the java.sql.Connection interface.
All ASE versions currently support these levels: