if (condition) begin (statement block) end else if (condition) begin statement block) end else begin (statement block) end
是的,在PB中if的用法如下 if a=1 then selct * from tb else delete from tb end if 当然PB的编程语言会识别标准的sql语句,但你不能在PB中写 if a=1 then selct * from tb else delete from tb end 因为if else end 不是pB的控制语句
if.....
else if ......
else if ......
...
...
else
begin
(statement block)
end
else if (condition)
begin
statement block)
end
else
begin
(statement block)
end
if a=1 then
selct * from tb
else
delete from tb
end if
当然PB的编程语言会识别标准的sql语句,但你不能在PB中写
if a=1 then
selct * from tb
else
delete from tb
end
因为if else end 不是pB的控制语句