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设函数f(t)连续,则二次积分

设函数f(t)连续,则二次积分设函数f(t)连续,则二次积分设函数f(t)连续,则二次积分

设函数f(t)连续,则二次积分设函数f(t)连续,则二次积分请帮忙给出正确答案和分析,谢谢!

请帮忙给出正确答案和分析,谢谢!

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更多“设函数f(t)连续,则二次积分”相关的问题

第1题

A database is running in ARCHIVELOG mode and regular backups are performed. A user receive
s the following error message:Which is the recommended sequence of operations you need to perform for the query successfully?()

A. Drop the affected tablespace, re-create the tablespace, restore the datafiles, and the tablespace.

B. Take the affected datafile offline (if not already offline), restore the damaged image of the datafile, and then bring it online.

C. Restart the database in MOUNT mode, restore the damaged datafile, recover the datafile and then open the database with resetlogs.

D. Put the database in RESTRICTED mode, restore all the datafiles in the affected datafile and recover the tablespace, and then put the database in normal operational mode.

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第2题

A 67-year-old woman has experienced severe nausea, vomiting, early satiety, and a 9-kg weight loss over the past 4 months. On physical examination, she has mild muscle wasting. Upper gastrointestinal

A、Gastric adenocarcinoma

B、Granulomatous inflammation

C、Chronic atrophic gastritis

D、Acute gastritis

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第3题

The South and West have experienced a continuous loss of population to the North.A.YB.NC.N

The South and West have experienced a continuous loss of population to the North.

A.Y

B.N

C.NG

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第4题

You have not configured Oracle Managed Files (OMF) in your database. You do not want to sc

You have not configured Oracle Managed Files (OMF) in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature.Which statement should you use to enable the block change tracking feature?()

A. ALTER DATABASE ENABLE BLOCK CHANGE TRACKING

B. ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE

C. ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE

D. ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING

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第5题

Your multitenant container database has three pluggable databases (PDBs): PDB1, PDB2, and PDB3.Which two RMAN commands may be; used to back up only the PDB1 pluggable database?()

A. BACKUP PLUGGABLE DATABASE PDB1 while connected to the root container

B. BACKUP PLUGGABLE DATABASE PDB1 while connected to the PDB1 container

C. BACKUP DATABASE while connected to the PDB1 container

D. BACKUP DATABASE while connected to the boot container

E. BACKUP PLUGGABLE database PDB1 while connected to PDB2

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第6题

Your database is running in ARCHIVELOG mode. One of the data files, USERDATA01.dbf, in the
USERS tablespace is damaged and you need to recover the file until the point of failure. The backup for the datafile is available.Which three files would be used in the user-managed recovery process performed by the database administrator ()(DBA)? (Choose Three)

A. Redo logs

B. Control file

C. The latest backup of only the damaged data file

D. The latest backup of all the data file in the USERS tablespace

E. Temporary files of temporary tablespace

F. Archive Logs since the latest backup to point of failure

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第7题

Your database is running in ARCHIVELOG mode. One of the data files,USERDATA01.dbf, in the
USERS tablespace is damaged and you need to recover the file until the point of failure. The backup for the datafile is available. Which three files would be used in the user-managed recovery process performed by the database administrator (DBA)?()

A. Redo logs

B. Control file

C. The latest backup of only the damaged data file

D. The latest backup of all the data file in the USERS tablespace

E. Temporary files of temporary tablespace

F. Archive Logs since the latest backup to point of failure

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第8题

You have not configured Oracle Managed Files (OMF) in your database. You do not want to sc

You have not configured Oracle Managed Files (OMF) in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature. Which statement should you use to enable the block change tracking feature?()

A. ALTER DATABASE ENABLE BLOCK CHANGE TRACKING;

B. ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE <path>;

C. ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE <path>;

D. ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING;

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第9题

Your multitenant container database (CDB) contains pluggable databases (PDBs), you are con

Your multitenant container database (CDB) contains pluggable databases (PDBs), you are connected to the HR_PDB. You execute the following command:SQL > CREATE UNDO TABLESPACE undotb01 DATAFILE ‘u01/oracle/rddb1/undotbs01.dbf’ SIZE 60M AUTOEXTEND ON;What is the result?()

A. It executes successfully and creates an UNDO tablespace in hr_pdb.

B. It falls and reports an error because there can be only one undo tablespace in a cdb.

C. It fails and reports an error because the CONTAINER=ALL clause is not specified in the command.

D. It fails and reports an error because the CONTAINER=CURRENT clause is not specified in the command.

E. It executes successfully but neither tablespace nor the data file is created.

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