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View the Exhibit and examine the undo tablespace attributes. Exhibit: Your database instance is experiencing a large volume of transactions from non-DBA users in the last one hour. The undo tablespace UNDOTBS1is full with transactions and no transaction was committed more than one hour ago. The database has two more undo tablespaces. What happens to the new DML operations in this scenario?
Correct Answer: A
Explanation/Reference: Explanation: Tablespaces in the Preconfigured Database (continued) * TEMP: Your temporary tablespace is used when you execute a SQL statement that requires the creation of temporary segments (such as a large sort or the creation of an index). Just as each user is assigned a default tablespace for storing created data objects, each user is assigned a temporary tablespace. The best practice is to define a default temporary tablespace for the database, which is assigned to all newly created users unless otherwise specified. In the preconfigured database, the TEMP tablespace is specified as the default temporary tablespace. This means that if no temporary tablespace is specified when the user account is created. Oracle Database assigns this tablespace to the user. * UNDOTBS1: This is the undo tablespace used by the database server to store undo information. If a database uses Automatic Undo Management, it must have exactly one active undo tablespace per instance at any given time. This tablespace is created at database creation time. * USERS: This tablespace is used to store permanent user objects and data. In the preconfigured database, the USERS tablespace is the default tablespace for all objects created by nonsystem users. For the SYS and SYSTEM users (the system users), the default permanent tablespace remains SYSTEM. * EXAMPLE: This tablespace contains the sample schema* that can be installed when you create the database. The sample schemas provide a common platform for examples. Oracle documentation and courseware contain examples based on the sample schemas. Note: To simplify administration, it is common to have a tablespace for indexes alone.