Example:
程序代码
结果:
x is less than10
PL/sql procedure successfully completed
B.IF - ELSE 语句
基本语法:
ELSE
END IF;
Example:
结果:
X is not less than 10
PL/sql procedure successfully completed
C:IF - ELSIF - ELSE 语句
基本语法:
ELSIF THEN
ELSIF THEN
ELSE
END IF;
Example:
结果:
X is between 11 and 99
PL/sql procedure successfully completed
D:与NULL值比较处理
Example: