Featured on Meta To create a synonym we simply have to specify a synonym name and name of database object to which it will be assigned.

Specify the schema containing the synonym. By clicking “Post Your Answer”, you agree to our To subscribe to this RSS feed, copy and paste this URL into your RSS reader.

If you drop a synonym for the master table of a materialized view, and if the defining query of the materialized view specified the synonym rather than the actual table name, then Oracle Database marks the materialized view unusable. Create Synonym. The Synonym can be simply dropped by passing the Synonym name to the DROP SYNONYM T-SQL statement as in the script below:

The object for the synonym does not have to be exist at the time the synonym is being created. To view Transact-SQL syntax for SQL Server 2014 and earlier, see Conditionally drops the synonym only if it already exists.References to synonyms are not schema-bound; therefore, you can drop a synonym at any time.

Stack Overflow for Teams is a private, secure spot for you and IF EXISTS Applies to: SQL Server ( SQL Server 2016 (13.x) through current version) Conditionally drops the synonym only if it already exists. The main purpose of the construct is to provide a simple name to reference a database object that is addressed by a two, three or four part notation. If schema is not specified, SQL Server uses the default schema of the current user. The PUBLIC phrase in the above oracle plsql drop synonym syntax allows us to drop a public synonym, if we have specified public then we don’t have to specify a schema for the plsql synonym. Where developers & technologists share private knowledge with coworkersProgramming & related technical career opportunities

Syntax. O’Reilly members experience live online training, plus books, videos, and digital content from Creates a public or private synonym for a database object.Removes a public or private synonym from the database.Specifies that this synonym will be available to all users. CREATE/DROP SYNONYM CREATE [PUBLIC] SYNONYM synonym_name FOR [ schema.]
If you omit If you drop a synonym for the master table of a materialized view, and if the defining query of the materialized view specified the synonym rather than the actual table name, then Oracle Database marks the materialized view unusable.If an object type synonym has any dependent tables or user-defined types, then you cannot drop the synonym unless you also specify Scripting on this page enhances content navigation, but does not change the content in any way.Oracle Database Object-Relational Developer's Guide The syntax to drop a synonym in Oracle is: DROP [PUBLIC] SYNONYM [schema .]

A synonym belongs to a schema, and like other objects in a schema, the name of a synonym must be unique. Force – This will force Oracle to remove the synonym, even if it has dependencies. Example to drop a plsql synonym is:

If SQL Server Drop Synonym If Exists.

If the synonym belongs to a schema, you must specify its schema name. It If a synonym in the current database refers to a dropped table or view in another database, however, that synonym remains registered in the system catalog until you explicitly drop it by using the DROP SYNONYM statement.
synonym. drop synonym syntax in Oracle/PLSQL. 自分のスキーマ内にあるプライベート・シノニムを削除する。

Specify the name of the synonym to be dropped. Synonyms cannot be altered using ALTER statement. Synonyms names must be T-SQL identifiers just as for other database objects.

We recently found out that using synonyms will greatly benefit us.This doesn't work because I am using the Customers database but need to drop the synonym from my employees database.Anyone have any ideas on how to modify synonyms accross databases. For that reason, here is a script to list the synonyms in a specific database; SELECT name AS synonym_name,

synonym will only be used if the object name is not prefaced with a

The Oracle DROP SYNONYM command is used to drop public and private synonyms. sql> drop synonym emp; Unless you have the Oracle DROP ANY SYNONYM system privilege, the synonym you wish to drop must be in your schema. If you skip the schema name, Oracle will assume that you delete the synonym in your own schema.

site design / logo © 2020 Stack Exchange Inc; user contributions licensed under So with the pair of databases restored under new names, a quick script was needed to drop and recreate all the synonyms so that they point to the correct database name. SQL Server 2008 doesn't support this syntax - drop synonym [employees].


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