單項選擇題

Examine the following command:ALTER SYSTEM SET enable_ddl_logging=FALSE;Which statement is true?（）

A. None of the data definition language (DDL) statements are logged in the trace file.
B. Only DDL commands that resulted in errors are logged in the alert log file.
C. A new log.xml file that contains the DDL statements is created, and the DDL command details are removed from the alert log file.
D. Only DDL commands that resulted in the creation of new database files are logged.

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多項選擇題

Which three functions are performed by the SQL Tuning Advisor?（）

A. Building and implementing SQL profiles
B. Recommending the optimization of materialized views
C. Checking query objects for missing and stale statistics
D. Recommending bitmap, function-based, and B-tree indexes
E. Recommending the restructuring of SQL queries that are using bad plans

單項選擇題

You are administering a database stored in Automatic Storage management (ASM). The files are storedin the DATA disk group. You execute the following command:SQL > ALTER DISKGROUP data ADD ALIAS ‘+data/prod/myfile.dbf’ FOR ‘+data.231.45678’;What is the result?（）

A. The file ‘+data.231.54769’ is physically relocated to ‘+data/prod’ and renamed as ‘myfile.dbf’.
B. The file ‘+data.231.54769’ is renamed as ‘myfile.dbf’, and copied to ‘+data/prod’.
C. The file ‘+data.231.54769’ remains in the same location and a synonym 'myfile.dbf' is created.
D. The file ‘myfile.dbf’ is created in ‘+data/prod’ and the reference to ‘+data.231.54769’ in the data dictionary removed.

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Examine the following command:ALTER SYSTEM SET enable_ddl_logging=FALSE;Which statement is true?（）

你可能感興趣的試題

Which three functions are performed by the SQL Tuning Advisor?（）

You are administering a database stored in Automatic Storage management (ASM). The files are storedin the DATA disk group. You execute the following command:SQL > ALTER DISKGROUP data ADD ALIAS ‘+data/prod/myfile.dbf’ FOR ‘+data.231.45678’;What is the result?（）

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