使用shell脚本来给mysql加索引的方法

#! /bin/bashtb_base=tb_student_arr=("0" "1" "2" "3" "4" "5" "6" "7" "8" "9" "a" "b" "c" "d" "e" "f")GetCmd(){ for value in ${arr[@]} do for value2 in ${arr[@]} do  tb_name=$tb_base$value$value2  cmd="ALTER TABLE ${tb_name} ADD INDEX seed (uid, name); "  echo $cmd done done}GetCmd $1