Which statement is true about the Log Writer process?

Which statement is true about the Log Writer process? A. It writes when it receives a signal from the checkpoint process (CKPT). B. It writes concurrently to all members of multiplexed redo log groups. C. It writes after the Database Writer process writes dirty buffers to disk. D. It writes when a user commits a […]

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Which DBCA option must you choose to create the database?

You plan to create a database by using the Database Configuration Assistant (DBCA), with the followingspecifications:– Applications will connect to the database via a middle tier.– The number of concurrent user connections will be high.– The database will have mixed workload, with the execution of complex BI queries scheduled at night.Which DBCA option must you […]

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Which command would you execute to create the database link?

As a user of the ORCL database, you establish a database link to the remote HQ database such that all usersin the ORCL database may access tables only from the SCOTT schema in the HQ database. SCOTT’spassword is TIGER. The service mane “HQ” is used to connect to the remote HQ database.Which command would you […]

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How would you accomplish this?

A user establishes a connection to a database instance by using an Oracle Net connection. You want to ensurethe following:1. The user account must be locked after five unsuccessful login attempts.2. Data read per session must be limited for the user.3. The user cannot have more than three simultaneous sessions.4. The user must have a […]

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Which statement is true in this scenario?

Examine the parameters for your database instance: You execute the following command:SQL> ALTER TABLESPACE undotbs1 RETENTION NOGUARANTEE;Which statement is true in this scenario? A. Undo data is written to flashback logs after 1200 seconds. B. Inactive undo data is retained for 1200 seconds even if subsequent transactions fail due to lack of space in the […]

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