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How to create synonym in Oracle syntax?
To create a private synonym in another user’s schema, you must have the CREATE ANY SYNONYM system privilege. 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.
What is the syntax for grant synonyms in Oracle?
The syntax for the GRANT SYNONYM command is: GRANT [CREATE] SYNONYM TO user_or_group; GRANT ALTER, DROP ON synonym_name TO user_or_group; You revoke privileges to create, alter, and drop synonyms with the REVOKE SYNONYM command.
What is the syntax of drop synonyms in Oracle?
The syntax for the DROP SYNONYM command is: DROP SYNONYM synonym_name; If you drop or rename a table, view, or function that has an associated synonym, the synonym becomes an orphan. To reuse the synonym for another object with a different name, drop and re-create it.
What is synonym in DBMS syntax?
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.
What is the syntax of creating synonyms?
Here is the basic syntax for creating a new synonym: CREATE [OR REPLACE] [PUBLIC] SYNONYM schema.synonym_name FOR schema.object; In this syntax: First, specify the name of the synonym and its schema. If you skip the schema, Oracle will create the synonym in your own schema.
What is synonym in Oracle with example?
A synonym is an alias for a schema object. You can create, view and drop a synonym. Synonyms can provide a level of security by masking the name and owner of an object and by providing location transparency for remote objects of a distributed database.
How do you create a synonym in SQL syntax?
- 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 are 2 synonyms for permission?
- acceptance.
- accession.
- approval.
- assent.
- compliance.
- concurrence.
- conformity.
- consent.
When to use synonyms in Oracle?
Oracle uses a public synonym only when resolving references to an object if the object is not prefaced by a schema and the object is not followed by a database link. If you omit this clause, the synonym is private and is accessible only within its schema. A private synonym name must be unique in its schema.
How to rename a synonym in Oracle?
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 to find synonyms in Oracle SQL?
To find out about synonyms, you can query the all_synonyms view. Example 10-11 queries all_synonyms to find any synonyms that point to the all_tables system view. There are two types of synonyms. Synonyms owned by a user are private synonyms and affect only that user.
What is synonym in SQL with example?
A SYNONYM provides another name for database object, referred to as original object, that may exist on a local or another server. A synonym belongs to schema, name of synonym should be unique.
What is the syntax of create in Oracle?
To create a new table in an Oracle database, the CREATE TABLE statement can be used. The CREATE TABLE syntax in Oracle is as follows: CREATE TABLE schema_name. table_name ( column_1 data_type column_constraint, column_2 data_type column_constraint, …
What is a synonym for the word syntax?
Synonyms: order of words, arrangement , grammatical rules, grammar , language , word order, structure , formulation.
What is the syntax for synonyms in SQL Server?
- — SQL Server Syntax.
- CREATE SYNONYM [ schema_name_1. ] synonym_name FOR <object>
- <object> :: =
- {
- [ server_name.[ database_name ] . [ schema_name_2 ]. object_name.
- | database_name . [ schema_name_2 ]. | schema_name_2. ] object_name.
- }
- — Azure SQL Database Syntax.