标签：DBMS END PLSQL grade WHEN 循环 LOOP
case条件控制语句
简单的CASE
CASE case_operand
WHEN when_operand1 THEN
statements1;
WHEN when_operand2 THEN
statements2;
...
END CASE;
-------------------------------------------------------------
--when_operand是表达式，结果和case_operand相同则执行statement1；--
-------------------------------------------------------------
搜索式的CASE
CASE
WHEN 布尔表达式1 THEN statement1;
WHEN 布尔表达式2 THEN statement2;
WHEN 布尔表达式3 THEN statement3;
END CASE;
标签：DBMS,
END,
PLSQL,
grade,
WHEN,
循环,
LOOP
From： https://blog.51cto.com/u_16049762/8016570