What are synonyms used for in SQL?
A synonym is a database object that serves the following purposes: Provides an alternative name for another database object, referred to as the base object, that can exist on a local or remote server.
How do you create a synonym in SQL query?
Use SQL Server Management Studio
- In Object Explorer, expand the database where you want to create your new view.
- Right-click the Synonyms folder, then select New Synonym….
- In the Add Synonym dialog box, enter the following information. Synonym name. Type the new name you will use for this object. Synonym schema.
What is DBMS synonym?
In databases, a synonym is an alias or alternate name for a table, view, sequence, or other schema object. They are used mainly to make it easy for users to access database objects owned by other users.
Which command will create a synonym for a table?
Use the CREATE SYNONYM statement to create a synonym for a table name or view name. The name of a synonym is subject to the same restrictions as the name of a table or view.
How do you create synonyms?
To create a PUBLIC synonym, you must have the CREATE PUBLIC SYNONYM system privilege. Specify OR REPLACE to re-create the synonym if it already exists. Use this clause to change the definition of an existing synonym without first dropping it.
How do you find the synonyms of a table?
Find the Synonyms of a Table
- Select a table (or another type of object)
- Click on “Synonym” in the navigation bar:
- Select a synonym item to highlight the related code in the source code view.
How do I see synonyms in SQL Developer?
To get names of all synonyms from Oracle database or from an specific table you can use: USER_SYNONYMS, ALL_SYNONYMS, DBA_SYNONYMS, USER_OBJECTS. Privileges may be required to query certain tables or views. The most commonly used to list synonyms in a database are USER_SYNONYMS and USER_OBJECTS.
How do you update synonyms in SQL?
Use the ALTER SYNONYM statement to modify an existing synonym. To modify a private synonym in another user’s schema, you must have the CREATE ANY SYNONYM and DROP ANY SYNONYM system privileges. To modify a PUBLIC synonym, you must have the CREATE PUBLIC SYNONYM and DROP PUBLIC SYNONYM system privileges.
How do you set a synonym for a table in a query?
SQL Server CREATE SYNONYM statement syntax
- First, specify the target object that you want to assign a synonym in the FOR clause.
- Second, provide the name of the synonym after the CREATE SYNONYM keywords.
How do I create a synonym in SQL Developer?
Introduction to Oracle CREATE SYNONYM statement
- First, specify the name of the synonym and its schema.
- Second, specify the object for which you want to create the synonym after the FOR keyword.
- Third, use the OR REPLACE option if you want to re-create the synonym if it already exists.
What are synonyms in Oracle SQL?
A synonym may have the same name as the underlying object, provided the underlying object is contained in another schema. Oracle Database Resolution of Synonyms: Example Oracle Database attempts to resolve references to objects at the schema level before resolving them at the PUBLIC synonym level.