> # PID CID n Pstr Cstr > 9 2546 2545 1 TEST5 TEST4 >10 2545 6 2 TEST4 ACYT1L >11 2545 1291 2 TEST4 ACYT4L >12 2545 2542 2 TEST4 zzTEST >13 2542 64 3 zzTEST BPGA5V >14 64 46 4 BPGA5V APHOT >15 46 33 5 APHOT AMYO4V >16 46 35 5 APHOT ANUR1L > >_2546 > _2546_2545 > _2546_2545_0006 > _2546_2545_1291 > _2546_2545_2542 > _2546_2545_2542_0064 > _2546_2545_2542_0064_0046 > _2546_2545_2542_0064_0046_0033 > _2546_2545_2542_0064_0046_0035 >>An advantage of explicit keys is that you can point to the node or use table fields conbinations to point to a node.