How do you modify synonyms in SQL Server?

How do you modify synonyms in SQL Server?

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.

What is the purpose of synonyms in SQL Server?

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 I drop all synonyms in SQL Server?

Drop and Recreate all Synonyms

  1. DECLARE loccur CURSOR LOCAL STATIC FORWARD_ONLY READ_ONLY FOR.
  2. FETCH NEXT FROM loccur INTO @ObjectName, @Schema, @Definition.
  3. WHILE @@FETCH_STATUS = 0.
  4. SET @SQL = ‘CREATE SYNONYM ‘ + QUOTENAME(@Schema) + ‘.’
  5. FETCH NEXT FROM loccur INTO @ObjectName, @Schema, @Definition.

Does SQL Server have synonyms?

SQL Server allows you to create a synonym so you can define an alternate name for an object that already exists. Synonyms function like aliases on columns or tables. However, a synonym is created as an object in a database, instead of being temporally defined at runtime.

How do I select synonyms in SQL?

This query returns 8 columns;

  1. synonym_name Name of the synonyms.
  2. server_name Name of the server.
  3. synonym_definition Details of the synonyms.
  4. DB_name Name of the database.
  5. schema_name Name of the schema.
  6. table_name Name of the table.
  7. create_date Creation date of the synonyms.
  8. modify_date Modification date of the synonyms.

How can I drop multiple synonyms in Oracle?

In this syntax:

  1. First, specify the name of the synonym that you want to remove after the DROP SYNONYM keyword. If the synonym belongs to a schema, you must specify its schema name.
  2. Second, use the FORCE keyword to delete the synonym even if it has dependent tables or user-defined types.

Why is the translation no longer valid?

Cause: The synonym used is based on a table, view, or synonym that no longer exists. Action: Replace the synonym with the name of the object it references or recreate the synonym so that it refers to a valid table, view, or synonym.

How do I fix Ora 00980 synonym translation is no longer valid?

Solution: Replace the synonym with the name of the object it references or re- create the synonym so that it refers to a valid table, view, or synonym. DROP PUBLIC SYNONYM SYNONYM_NAME; CREATE PUBLIC SYNONYM SYNONYM_NAME FOR NEW_OWNER.

How to use a synonym in SQL Server?

For example, the following query uses the orders synonym instead of sales.orders table: First, create a new database named test and set the current database to test: Then, create a new table in the purchasing schema of the test database:

How to drop a synonym in SQL Server?

First, specify the synonym name that you want to remove after the DROP SYNONYM keywords. Second, use the IF EXISTS to conditionally drop the synonym only if it exists. Removing a non-existing synonym without the IF EXISTS option will result in an error. The following example uses the DROP SYNONYM statement to drop the orders synonym:

When to use synonyms in place of a base object in SQL?

You can use synonyms in place of their referenced base object in several SQL statements and expression contexts. The following columns contain a list of these statements and expression contexts: