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发布时间:2019-06-26 15:54:37

When is the UNDO_RETENTION parameter value ignored by a transaction?B) when the undo tablespace is of a fixed size and retention guarantee is not enabledD) when the data file of the undo tablespace is autoextensible(解析:启用闪回数据库时,对undo_retention这个参数是没有任何关系,其它的.........【阅读全文】

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发布时间:2019-06-26 14:33:27

The HR. DEPARTMENTS table is the parent of the HR. EMPLOYEES table. The EMPLOYEES .Which statement is true?B) The transaction acquires a table lock on the EMPLOYEES table. This lock enables other sessions to query but not update the EMPLOYEES table until the transaction on the DEPARTMENTS .........【阅读全文】

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发布时间:2019-06-26 14:06:56

Which two statements are true about the Database Configuration Assistant (DBCA)?B) It can be used to copy an existing Oracle database to a new host and apply any patches necessary in the new host.D) It can be used to create a database template from an existing database.Answer:DE.........【阅读全文】

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发布时间:2019-06-04 15:22:30

Your production database uses file system storage. You want to move storage to Oracle Automatic Storage Management (ASM).A) by using a transportable databaseC) by using the Database Upgrade Assistant (DBUA)Answer:D......【阅读全文】

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发布时间:2019-06-04 14:35:29

Which two statements are true about using SQL*Loader?B) It can generate unique sequential key values in specified columns.D) It can load data from external files by using direct path only.Answer:BC/ Load data into multiple tables during the same load session.different system f.........【阅读全文】

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