Shell Programming and Scripting

awk '
NR==FNR {
   val1[$5] = $6;
   val2[$5] = "N/A";
   next
}
{
   if (! ($5 in val1)) val1[$5] = "N/A";
   val2[$5] = $6;
}
END {
   for (col in val1) {
      printf "%12s : %9s : %9s\n", col, val1[col], val2[col];
   }
}
' jr1.txt jr2.txt

. . importing table new 34
. . importing table employee 119
. . importing table jobs 1

. . importing table employee 120
. . importing table old 763
. . importing table jobs 1

        jobs :         1 :         1
         new :        34 :       N/A
         old :       N/A :       763
    employee :       119 :       120

diff <(grep employee file1) <(grep employee file2) |awk '/employee/{print $(NF-1),$NF}'