What is synonym?

Answer Posted / suraj kedia

A synonym is nothing but a permanent alias name given to an
existing data base table.

The main concept of synonym is as below;
1)To hide the original table name.
2)To hide the owner of the table.

Synonym can be created on following 3 objects:
1)Table
2)View
3)Synonym

Synonym are of basically 2 types:
1)Public synonym: This can only be created by a data base
administrator.
2)Private synonym: This can be created by any valid data
base user.

Syntax for creating a synonym is

create [or replace] synonym synonym_name for object name;

Is This Answer Correct ?    13 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What are active transformations.

1186


How to generate sequence numbers without using the sequence generator transformation?

641


Explain the difference between mapping parameter and mapping variable?

601


How might you approve all mappings in the archive all the while?

601


where to store informatica rejected data? How to extract the informatica rejected data?

599






What is Index Caches size?

615


what are the fact table & dimensional table in pharmaceutical and hospotal related products???

1697


What is the need for an etl tool?

632


What are the designer tools for creating transformations?

678


Explain the different kinds of facts.

561


Mine is Insurance Domain, So interviewer asked about terms like underwriting, disbursement amt, Reinsurance

1590


How can you increase the performance in joiner transformation?

705


Explain load alternative records / rows into multiple targets - informatica

680


what is Active lock explain

2366


What is a router transformation?

622