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Your database is started by using the server parameter file （SPFILE）. You issued this command to change the value of the LOG_BUFFER initialization parameter： ALTER SYSTEM SET LOG_BUFFER=24M SCOPE=BOTH； What would be the outcome of this command？ （）
A . The command would return an error because LOG_BUFFER is a static parameter.
B . The parameter value would be changed and it would come into effect immediately.
C . You need to restart the database so that parameter changes can come into effect.
D . The command would succeed only if initialization parameter LOG_ARCHIVE_MAX_PROCESS is set to value 2.
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Your database is started by using the server parameter file （SPFILE）. You issued this command to change the value of the LOG_BUFFER initialization parameter： ALTER SYSTEM SET LOG_BUFFER=24M SCOPE=BOTH; What would be the outcome of this command？（）
A . The command would return an error because LOG_BUFFER is a static parameter.
B . The parameter value would be changed and it would come into effect immediately.
C . You need to restart the database so that parameter changes can come into effect.
D . The command would succeed only if initialization parameter LOG_ARCHIVE_MAX_PROCESS is set to value 2.
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The RECYCLEBIN parameter is set to ON for your database. You drop a table，PRODUCTS，from the SCOTT schema. Which two statements are true regarding the outcome of this action？（）
A . All the related indexes and views are automatically dropped
B . The flashback drop feature can recover only the table structure
C . Only the related indexes are dropped whereas views are invalidated
D . The flashback drop feature can recover both the table structure and its data
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Which of the following sentences best concludes the main idea of this passage?
A . A. Drunken driving has caused numerous fatalities in the United States.
B . B. It’s recommendable to prohibit alcohol drinking around the United States.
C . C. The American society is trying hard to prevent drunken driving.
D . D. Drunken driving has become a national epidemic in the United State.
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The RECYCLEBIN parameter is set to ON for your database. You drop a table, PRODUCTS, from the SCOTT schema. Which two statements are true regarding the outcome of this action? （）(Choose two)
A . All the related indexes and views are automatically dropped
B . The flashback drop feature can recover only the table structure
C . Only the related indexes are dropped whereas views are invalidated
D . The flashback drop feature can recover both the table structure and its data
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What is the outcome of this block of code?（）https://assets.asklib.com/images/image2/2018080211401883848.jpg
A . It creates a task and workload, and executes the task.
B . It creates a task and workload but does not execute the task.
C . It produces an error because a template has not been created.
D . It produces an error because the SQL Tuning Set has not been created.
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You issue the following RMAN command to set a retention policy on a database： RMAN>CONFIGURE RETENTION POLICY TO REDUNDANCY 2； What will be the outcome of issuing this command？（）
A . After two days，a backup will be marked obsolete
B . After two days，a backup will be deleted from the media
C . If the RMAN repository has records of two or more recent backups of a file，then older backups will be deleted from the media.
D . If the RMAN repository has records of two or more recent backups of a file then older backups will be marked obsolete.
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The RECYCLEBIN parameter is set to ON for your database. You drop a table, PRODUCTS, from the SCOTT schema.Which two statements are true regarding the outcome of this action?（）
A . All the related indexes and views are automatically dropped
B . The flashback drop feature can recover only the table structure
C . Only the related indexes are dropped whereas views are invalidated
D . The flashback drop feature can recover both the table structure and its data
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You issue the following RMAN command to set a retention policy on a database: RMAN>CONFIGURE RETENTION POLICY TO REDUNDANCY 2; What will be the outcome of issuing this command? （）
A . After two days, a backup will be marked obsolete
B . After two days, a backup will be deleted from the media
C . If the RMAN repository has records of two or more recent backups of a file, then older backups will be deleted from the media.
D . If the RMAN repository has records of two or more recent backups of a file, then older backups will be marked obsolete.
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What is the main idea of this passage
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6. What is the main idea of this passage?
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What’s the main idea of this reading？
A．English words in other languages.
B．Words from India.
C．The usage in English of words from other languages.
D．How the word shampoo was first used in English
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What is the main idea of this passage？
A.The price of Beijing's office space rises higher
B.Different costs of office space all over the world
C.The cost of Beijing's office space ranks the top
D.Air pollution doesn't influence Beijing's office space
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What's the main idea of this passage？
A．Censors are fully qualified for their job.
B．Many publications and films are not works of art.
C．Society will not do without censorship.
D．Works of art should be set apart front pornographic works.
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Which of the following is the main idea of this passage？
A．Fire can help people in many ways.
B．Fire can be both helpful and dangerous.
C．Fire can burn things and people.
D．We must be careful with matches.
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What is the main purpose of this letter？
A．To explain a new recycling policy
B．To warn about inappropriate waste disposal
C．To inform. about a schedule revision
D．To promote a new garbage collection service
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What's the main topic of this passage？
<img src='https://img2.soutiyun.com/ask/uploadfile/2526001-2529000/ec7080b605dd9d00c1b6c66ad7dca0b1.gif' />
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What is the main function of this memo？
A．Asking Swichen King's authorization for the purchase of a microwave oven.
B．Reporting the survey result of buying a microwave oven to the general manager.
C．Analyzing the necessity of buying a microwave oven for the staff.
D．Introducing the suitable models of microwave oven to Swichen King.
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The main point of this text is
A．Aesop" s fables provide a valuable glimpse into early Greek thought and beliefs.
B．the most efficient and reliable way to study the values system of an ancient culture is through study of its mythology.
C．without a thorough examination of a society"s fables and other mythology, a cultural study on that society would be only partial.
D．through the study of a culture" s mythological tradition, one can discern some of the underlying beliefs that shaped those stories.
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What is the main purpose of this email？
A．To make a customer service complaint
B．To congratulate on winning an award
C．To request a special service
D．To express gratitude to a company
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What‘s the main idea for this passage？ 查看材料
A.Drivers should apply road politeness properly.
B.Strict traffic regulations are badly needed.
C.Rude and inconsiderate drivers should be punished.
D.Drivers should try their best to avoid traffic jams.
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What is the main topic of this lecture？
A．The developmental deformities of the butterfly species.
B．The migratory patterns of certain species of butterflies.
C．The developmental stages of the butterfly species.
D．The distinguishing anatomical features of caterpillars and butterflies.
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The best statement of the main idea of this passage is that
A．human brains differ considerably.
B．the brain a person is born with is important in determining his intelligence.
C．environment is crucial in determining a person's intelligence.
D．persons having identical brains will have roughly the same intelligence.
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What’s the main idea of this passage？
A.The importance of reading.
B.The proper way to read.
C.How to get most from one book.
D.The characters of a good book.
