* For all intents and purposes you can consider a user to be a schema and a schema to be a user. 参考网址:http://wiki.answers.com/Q/Difference_between_user_and_schema_oracle#ixzz1iZM9pApQ
Difference between user & schema Siva Kolappa February 20, 2008 05:52PM Re: Difference between user & schema Brian Papantonio February 20, 2008 07:39PM Sorry, you can't reply to this topic. It has been closed.Content reproduced on this site is the property of the respective copyright...
What is the difference between Schema and Table? A database schema describes the structure and organization of data in a database system, while a table is a data set in which the data is organized in to a set of vertical columns and horizontal rows. The database schema defines the tables...
Alias column with variable value in SQL Script All MonthNames and Month numbers in sql server All queries combined using a UNION, INTERSECT or EXCEPT operator must have an equal number of expressions in their target lists. all the events in the workload were ignored due to syntax errors.the ...
1 Domain Controller with replication in progress 1 of 2 domain controllers down and users cannot login to the domain 1153 errors after performing the Server 2012 schema update on a 2008 domain 1694 error - "Active Directory Domain Services could not update the following object with an attribute ...
Ad-Hoc Queries– In most cases, while designing a database schema, we don’t know what queries we’ll run ahead of time(when we design our database we may not be knowing the future query types). Ad-Hoc query is the query not known while structuring the data or Ad-Hoc queries are ...
Know Difference between Oracle Reserved Words and Keywords,与C和JAVA体系类似,Oracle中存在一些保留词(ReservedWords)或关键词(Keywords)以及少量的命名空间(Namespace)。保留词(ReservedWords)是优先级最高的词汇,在Oracle中这些词都有着特殊的意义。所以这些词不允
Private synonyms (can be used only by the user who created them.) Public synonyms (can be used by all users who have the appropriate privileges) Here, is a simple syntax to create a synonym in a separate database, create synonym myschema.mytable1 for userA.table1@database_link1 ...
and retrieve data in a database. It primarily acts as an interface between the database and the end-user. At the same time, the software is able to manage the data, the database engine, and the database schema, making it easy to organize and manipulate the data stored in the database...
In SQL Server 2000 and below, there is no schema. Instead of schema, there is owner of the object (user that owns the object). So, below a user of a database there cannot be two objects with the same name. In version 2005, SQL Server introduced the schema to separate a user (owne...