PL/SQL 过程中 "is" 和 "as" 之间有区别吗

is there a difference between "is" and "as" in a PL/SQL procedure

创建存储过程时，写法有区别吗

Procedure procedureNAME(.....) AS

和

Procedure procedureNAME(.....) IS

谢谢

两个关键字可以等效使用。见 the documentation: