摘要:
----PL/SQL基本循环语句 LOOP DECLARE x number := 10; BEGIN LOOP dbms_output.put_line(x); x := x + 10; IF x > 50 THEN exit; END IF; END LOOP; -- after ... 阅读全文
摘要:
------ PL/SQL 条件控制 IF-THEN语句 DECLARE a number(2) := 10; BEGIN a:= 10; -- check the boolean condition using if statement IF( a < 20 ) THEN -- if condition is true then print... 阅读全文