Oracle認(rèn)證考試章節(jié)練習(xí)(2019.12.24)

來源：考試資料網(wǎng)

1 Which two Oracle products come pre-packaged with Oracle’s JRockit JDK ？（）

2 View the Exhibits and examine lock waits.

Users HR and SH complain that their transactions on one of the application tables， EMP， are waiting for response.
Which action would you take to release the lock and enable users HR and SH to continue with theirtransactions（）

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3 To view the results of the most recent Automatic SQL Tuning Advisor task，which sequence should you follow？（）

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4 You want to check the EMP table in the user， Scott’s schema for block corruption. You also want to fix the corrupted blocks， if any. How will you accomplish the required task？（）

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5 How many database instances are used during a database-duplication process？（）

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6 Which four are valid Oracle constraint types? （）

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7 Which statement is true regarding the Archiver （ARCn） process，archived log files，and recovery？（）

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8 To enable faster incremental backups， you enabled block change tracking for the database. Which two statements are true about the block change tracking file？（）

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9 Given：

Which statement is true？（）

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10 Examine the data in the EMPLOYEES table:

Which three subqueries work?（）

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