现在如果要加一个列age,你可以这样alter view ti as select name,age from user
.create or replace view 语句。//如视图存在则覆盖,如不存在则创建。create or replace view algorith=temptable view student_view(nid,id,name) as select id,pid,title from student
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现在如果要加一个列age,你可以这样alter view ti as select name,age from user
.create or replace view 语句。//如视图存在则覆盖,如不存在则创建。create or replace view algorith=temptable view student_view(nid,id,name) as select id,pid,title from student
欢迎分享,转载请注明来源:内存溢出
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