看来有的人还是对schema的真正含义不太理解,现在我再次整理了一下,希望对大家有所帮助. 我们先来看一下他们的定义:A schema is a collection of database objects (used by a user.). Schema objects are the logical structures that directly refer to the database’s data.A user is a name defined in the database t…
看来有些人还在schema不明白的真正含义,今天,我再次整理.我希望能帮助. 我们先来看看它们的定义:A schema is a collection of database objects (used by a user.). Schema objects are the logical structures that directly refer to the database’s data.A user is a name defined in the database that can…
转自:http://www.cnblogs.com/sfmjp/articles/2932748.html 在现在做的Kraft Catalyst 项目中,Cransoft其中有一个功能就是schema refresh. 一直不理解schema什么意思,也曾经和同事讨论过,当时同事就给我举过一个例子,下面会详细说的.其实schema是Oracle中的,其他数据库中不知道有没有这个概念. 首先,可以先看一下schema和user的定义:A schema is a collection of dat…
看来有的人还是对schema的真正含义不太理解,现在我再次整理了一下,希望对大家有所帮助. 我们先来看一下他们的定义:A schema is a collection of database objects (used by a user.). Schema objects are the logical structures that directly refer to the database’s data.A user is a name defined in the database t…
百度文库中 Schema 的解释: 数据库中的Schema,为数据库对象的集合,一个用户一般对应一个schema. 官方定义如下: A schema is a collection of database objects (used by a user.). schema objects are the logical structures that directly refer to the database’s data. A user is a name defined in the da…