多項選擇題

You are working on a database that must be functioning 24 hours a day， 7 days a week. The database isconfigured in ARCHIVELOG mode. Which two options do you have for performing user-managed backups（）

A.You can perform consistent backups only.
B.You can perform a complete database backup without shutting down the database instance.
C.You can back up data files only when all data files have the same SCN recorded in the control file.
D.You can back up only those data files whose headers are frozen by using ALTER TABLESPACE BEGINBACKUP or ALTER DATABASE BEGIN BACKUP commands

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多項選擇題

Which statements are correct about temporary tables（）

A.Indexes and views can be created on temporary tables.
B.Both the data and the structure of temporary tables can be exported.
C.Temporary tables are always created in a user’s temporary tablespace.
D.The data inserted into a temporary table in a session is available to other sessions.
E.Data manipulation language （DML） locks are never acquired on the data of temporary tables

單項選擇題

You want to configure and schedule offline database backups to run automatically.
Which tool or utility wouldyou use to achieve this（）

A.The XML script
B.The PL/SQL script
C.The DBMS_SCHEDULER package
D.Enterprise Manager to schedule the backup

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You are working on a database that must be functioning 24 hours a day， 7 days a week. The database isconfigured in ARCHIVELOG mode. Which two options do you have for performing user-managed backups（）

你可能感興趣的試題

Which statements are correct about temporary tables（）

You want to configure and schedule offline database backups to run automatically. Which tool or utility wouldyou use to achieve this（）

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You are working on a database that must be functioning 24 hours a day， 7 days a week. The database isconfigured in ARCHIVELOG mode. Which two options do you have for performing user-managed backups（）

You want to configure and schedule offline database backups to run automatically.
Which tool or utility wouldyou use to achieve this（）