When executing a SQL workload, you choose to generate execution plans only, without collecting execution statistics.Which two statements describe the ...
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其他好文 时间:
2017-11-17 13:24:31
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164
1.动态SQL解决拼接复杂的的SQL语句 MyBatis的动态SQL是基于OGNL表达式的 OGNL(Object-Graph Navigation Language的简称),对象图导航语言,它是一门表达式语言 if, choose, when, otherwise, trim, where, se ...
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数据库 时间:
2017-11-16 19:49:31
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241
Which statements are true regarding table compression? (Choose all that apply.)A. It saves disk space and reduces memory usage.B. It saves disk space ...
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其他好文 时间:
2017-11-16 18:40:29
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112
Which two are the prerequisites to enable Flashback Data Archive? (Choose two.)A. Database must be running in archivelog mode.B. Automatic undo manage ...
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其他好文 时间:
2017-11-16 15:24:09
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144
Which two commands never trigger an implicit rebalancing within the disk group?. (Choose two.)A. ALTER DISKGROUP misc MOUNT;B. ALTER DISKGROUP misc DR ...
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其他好文 时间:
2017-11-16 14:28:44
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146
Which three tasks can be performed using a duplicate database? (Choose three.)A. Testing the backup and recovery proceduresB. Testing the upgrade of a ...
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其他好文 时间:
2017-11-16 14:21:43
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120
Which two statements are true about a job chain? (Choose two.)A. A job chain can contain a nested chain of jobs.B. The jobs in a job chain cannot have ...
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其他好文 时间:
2017-11-16 14:17:22
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130
Indentify two advantages of using recovery catalog instead of the control file of the database inRecovery Manager (RMAN). (Choose two.)A. You can use ...
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其他好文 时间:
2017-11-16 14:15:42
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121
Identify the scenarios in which the RMAN CROSSCHECK comm and is useful. (Choose all that apply.)A.To check that the obsolete backups are deleted from ...
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其他好文 时间:
2017-11-15 17:04:38
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157
Which of the following are valid settings for the NLS_COMP parameter? (Choose all that apply.)A. ASCIIB. ANSIC. BINARYD. MONOLINGUALE. MULTILINGUAL Th ...
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其他好文 时间:
2017-11-14 19:32:34
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170