Does dropping table drop synonyms?
DROP TABLE does not remove any synonyms for the table that were created in an external database. To remove external synonyms for the dropped table, you must do so explicitly with the DROP SYNONYM statement.
What means table drop?
Dropping a table removes the table definition from the data dictionary. All rows of the table are no longer accessible. All indexes and triggers associated with a table are dropped.
What are dropped automatically when table dropped?
All rows from the table are dropped. All table indexes and domain indexes are dropped, as well as any triggers defined on the table, regardless of who created them or whose schema contains them. If table is partitioned, then any corresponding local index partitions are also dropped.
How do you drop the public synonym?
To drop a PUBLIC synonym, you must have the DROP PUBLIC SYNONYM system privilege. You must specify PUBLIC to drop a public synonym. You cannot specify schema if you have specified PUBLIC . Specify the schema containing the synonym.
What Is syntax for dropping the synonyms?
The syntax to drop a synonym in Oracle is: DROP [PUBLIC] SYNONYM [schema .] synonym_name [force]; PUBLIC.
What is the difference between drop and truncate?
The DROP command is used to remove table definition and its contents. Whereas the TRUNCATE command is used to delete all the rows from the table. DROP is a DDL(Data Definition Language) command. Whereas the TRUNCATE is also a DDL(Data Definition Language) command.
What is another word for falling down?
What is another word for fall down?
| fall | tumble |
|---|---|
| drop | collapse |
| stagger | fall over |
| topple over | trip over |
| keel over | take a spill |
What is a synonym for falling action?
Another term for Falling Action is the Denouement. This follows the story’s climax.
What is drop SQL?
We use the SQL DROP Table command to drop a table from the database. It completely removes the table structure and associated indexes, statistics, permissions, triggers and constraints. You might have SQL Views and Stored procedures referencing to the SQL table.
What is SQL savepoint?
SQL Server savepoints are used to roll back transactions to a specified point. In the other words, this lets you roll back part of the transaction instead of the entire transaction.
When to drop a synonym in a database?
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. You can create in the same database another table or view, and declare as its identifier the name of the dropped table or view.
Can You Drop a synonym in an object type?
If an object type synonym has any dependent tables or user-defined types, then you cannot drop the synonym unless you also specify FORCE.
What are the conditions to drop a synonym?
To drop a synonym, a user must satisfy at least one of the following conditions. The user must be: The current owner of a synonym. A grantee holding CONTROL on a synonym.
When to use the Oracle DROP SYNONYM command?
The Oracle DROP SYNONYM command is used to drop public and private synonyms. The following example illustrates how to drop a private synonym and a public synonym using the Oracle DROP SYNONYM command. Unless you have the Oracle DROP ANY SYNONYM system privilege, the synonym you wish to drop must be in your schema.