Functions

Telephone Operate
Flow Control
  • If is to judge condition, then to select True or False branch to continue.
  • Switch is to judge condition, then to select matched case branch to continue.
  • Case is used in switch, to jump to this branch, when condition is matched.
  • While is to repeat statements under it, when condition is true.
  • Block is only to perform statements under it.
  • Label is to define a position, let Goto statement to jump to it.
  • Goto is to change flow sequence, jump to Label.
  • Finish is to jump to End of flow to continue.
  • Restart is to jump over End of flow to continue.
    Data Define and Operate
    Access DataBase