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 DB2  |  Question 25 of 195    Print  
What is a synonym? How is it used?
A synonym is used to reference a table or view by another name. The other name can then be written in the application code pointing to test tables in the development stage and to production entities when the code is migrated. The synonym is linked to the AUTHID that created it.


  
Total Answers and Comments: 1 Last Update: July 19, 2007   
  
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July 19, 2007 03:44:51   #1  
Raghuram Balakrishnan Member Since: July 2007   Contribution: 6    

RE: What is a synonym? How is it used?
Also, a Synonym is specific to the DB2 subsystem.  Synonym can only access the table or view in the subsystem in which it is defined.   A synonym is dropped when the table is dropped.

An Alias is yet another name for a table or view. But it can refer to DB2 tables in other Db2 subsytems which are connected to each other.

 
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 Related Questions

A synonym is used to reference a table or view by another name. The other name can then be written in the application code pointing to test tables in the development stage and to production entities 
Latest Answer : Also, a Synonym is specific to the DB2 subsystem.  Synonym can only access the table or view in the subsystem in which it is defined.   A synonym is dropped when the table is dropped.An Alias is yet another name for a table or view. But ...

An alias is an alternative to a synonym, designed for a distributed environment to avoid having to use the location qualifier of a table or view. The alias is not dropped when the table is dropped.  
Latest Answer : An alias is a logical pointer to an alternate table name. The purpose of an alias is to resolve loops in the paths of joins. In some cases, more than one alias may be necessary for a given table.Cheers,Sithu ...


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