创建视图及注释

-- 用租户DB1的NEWUSER操作
create view newuser.zv_student as
select zno as student_no, zname as student_name,zsex as student_sex,zage as student_age
from newuser.zstudent; 
--增加视图注释
comment on view newuser.zv_student is '学生信息视图';
comment on column newuser.zv_student.student_no is '学号';
comment on column newuser.zv_student.student_name is '姓名';
comment on column newuser.zv_student.student_sex is '性别';
comment on column newuser.zv_student.student_age is '年龄';
--查看视图数据
select * from newuser.zv_student;
-- 查看视图注释
SELECT * FROM SYS.VIEWS WHERE SCHEMA_NAME='NEWUSER';
-- 查看视图字段注释
SELECT * FROM SYS.VIEW_COLUMNS WHERE VIEW_NAME=ucase('zv_student');