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对混凝土工程的混凝土浇筑施工缝的留置位置应符合的规定叙述正确的有()。

A.与板连成整体的大截面梁(高超过1m),留置在板底面以下15~20mm处;当板下有梁托时,留置在梁托下部

B.单向板应留置在平行于板的短边的任何位置

C.墙可留置在门洞口过梁跨中2/3范围内,也可留在纵横墙的交接处

D.有主次粱的楼板,施工缝应留置在次梁跨中1/3范围内

E.柱宜留置在基础、楼板、梁的顶面,梁和塔式起重机梁牛腿、无梁楼板柱帽的下面

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更多“对混凝土工程的混凝土浇筑施工缝的留置位置应符合的规定叙述正确的有()。A.与板连成整体的大截面”相关的问题

第1题

Evaluatethefollowingcommand:SQL>ALTERSYSTEMSETdb_securefile=’IGNORE’;WhatistheimpactofthissettingontheusageofSecureFiles?()

A.ItforcesBasicFilestobecreatedeveniftheSECUREFILEoptionisspecifiedtocreatetheLOB

B.ItforcesSecureFilestobecreatedeveniftheBASICFILEoptionisspecifiedtocreatetheLOB

C.ItdoesnotallowthecreationofSecureFilesandgeneratesanerroriftheSECUREFILEoptionisspecifiedtocreatetheLOB

D.ItignorestheSECUREFILEoptiononlyifaManualSegmentSpaceManagementtablespaceis usedandcreatesaBasicFile

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第2题

The following commands are available in the Linux binary distributions of Mysql: Mysqld Mysqld_safe Mysql.server What is the correct description of each of these commands?()

A.A

B.B

C.C

D.D

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第3题

You issued the following commands to configure setting in RMAN;RMAN> CONFIGURE DEVICE T
YPE sbt PARALLELISM 1;RMAN> CONFIGURE DEFAULT DEVICE TYPE TO sbt;RMAN> CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE sbt TO 2;RMAN> CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE sbt TO 2;RMAN> CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2;Then you issued the following command to take the backup:RMAN> BACKUP DATABASE PLUS ARCHIVELOG;Which statement is true about the execution of the above command?()

A. The backup will terminate because the FORMAT clause was not configured for the channel

B. It backs up two copies of data files to tape and disk, and two copies of archived log file on tape

C. It backs up the data files and archived log files to disk, making two copies of each data file and archived log file

D. It backs up the data files and archived log files to tape, making two copies of each data file and archived log file

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第4题

WhichtablespacesaremandatoryinanOracledatabaseforittobeoperational()

A.Undotablespace

B.USERStablespace

C.SYSAUXtablespace

D.SYSTEMtablespace

E.Temporarytablespace

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第5题

Which are the two prerequisites before setting up Flashback Data Archive? ()(Choose two.)

A. Flash recovery area must be defined

B. Undo retention guarantee must be enabled.

C. Database must be running in archivelog mode.

D. Automatic undo management must be enabled.

E. The tablespace in which the Flashback Data Archive is created must have automatic segment space Management (ASSM).

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第6题

Examine the structure of the EMPLOYEES table:You need to update the records of employees 1
03 and 115. The UPDATE statement you specify should update the rows with the values specified below:Which UPDATE statement meets the requirements?()

A.

B.

C.

D.

E.

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第7题

Youhaveconfiguredtheflashrecoveryareatostoreonlineredologfiles,controlfiles,archivedredolo
Youhaveconfiguredtheflashrecoveryareatostoreonlineredologfiles,controlfiles,archivedredologsandRMANbackups.Whichofthefollowingfilescanyousuccessfullydeletefromtheflashrecoveryareaifyouwanttoreclaimthespacewithinit?()

A.multiplexedcontrolfiles

B.RMANobsoletebackups

C.multiplexedonlineredologfiles

D.archivedredologsthathavenotbeencopiedtotape

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第8题

You have enabled backup optimization for the RMAN environment. Identify two criteria on which RMAN will skip the file, if it has already been backed up.() (Choose two.)

A. The data file backup is done with multiple channels

B. The data files is in the read-write mode after being backed up in the read only mode

C. The backup was taken after the data files was taken offline-normal or is in the read only mode

D. The data file backup complies with the back retention policy and the backup duplexing feature

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第9题

Identifytwosituationsinwhichtheblockheadergrowsinadatablock.()

A.whenrowdirectoriesneedmorerowentries

B.whenthereisrowmigrationinthedatablock

C.whenthereisanincreaseinthePCTFREEvalueforthedatablock

D.whenmoretransactionslotsarerequiredthanareinitiallyconfigured

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第10题

YourOracleDatabase10gisonlinewhenyouexecutethefollowingstatement:SQL>ALTERTABLESPACEMY_
YourOracleDatabase10gisonlinewhenyouexecutethefollowingstatement:SQL>ALTERTABLESPACEMY_TABLESPACEFLASHBACKOFF;WhatistheresultofexecutingthisstatementiftheFlashbackDatabasefeatureisalreadyenabledinthedatabase?()

A.ThedatabasedoesnotrecordflashbacklogsforMY_TABLESPACE

B.ThetablesresidinginMY_TABLESPACEarenotprotectedbytheRecycleBin.

C.AllthetablespacesexceptMY_TABLESPACEcanberecoveredusingFlashbackDatabasefeature.

D.Noneoftheflashbacktechnologies,suchasFlashbackTable,FlashbackTransactionQueryandFlashbackVersionQuerycanbeusedtorecoverindividualrowswithintheobjectsfromMY_TABLESPACE

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