var_dump（explode（&39;u&39;,&39;queue&39;,-2））;运行结果为（）
A. q e e
B. q ee
C. q
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var_dump（explode（&39;u&39;,&39;queue&39;,-2））;运行结果为（）
A.q e e B.q ee C.q
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运行下面程序段的输出结果是__.chars1[10]={&39;S&39;,&39;e&39;,&39;t&39;,&39;&39;,&39;u&39;,&39;p&39;,&39;&39;};printf（%s,s1）（）
A.Set B.Setup C.Set up D.Set
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You have table 'apps','userdata' on server that uses MyISAM storage engine. You want to transfer this data to server but use InnoDB engine instead. You execute the following commands: ServerB commands: Shell＞ mysqldump –u root –h server –no-data apps userdata | mysql –u root –p apps Shell＞ mysql –u root –p –h server –e 'ALTER TABLE 'apps','userdata' ENGINE=InnoDB;' Shell＞ mysqldump –u root –p –h server –no-create-info –order-by-primary apps userdata | mysql –u root –p apps What effect does the – order-by-primary argument have on the mysqldump command?（）
A.It exports tables with the most indexes first to assist with import speeds B.It ensures that unique indexes have no conflicts when the data is dumped C.It orders by primary key to assist in speeding up importing to InnoDB tables D.It must be specified so index data is dumped correctly when –on-create-info is used
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You have table 'apps','userdata' on server that uses MyISAM storage engine. You want to transfer this data to server but use InnoDB engine instead. You execute the following commands: ServerB commands: Shell＞ mysqldump –u root –h server –no-data apps userdata | mysql –u root –p apps Shell＞ mysql –u root –p –h server –e 'ALTER TABLE 'apps','userdata' ENGINE=InnoDB;' Shell＞ mysqldump –u root –p –h server –no-create-info –order-by-primary apps userdata | mysql –u root –p apps What effect does the – order-by-primary argument have on the mysqldump command?（）
A.It exports tables with the most indexes first to assist with import speeds B.It ensures that unique indexes have no conflicts when the data is dumped C.It orders by primary key to assist in speeding up importing to InnoDB tables D.It must be specified so index data is dumped correctly when –on-create-info is used
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什么是“U型车”？（冀价行费〔2010〕39号）
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什么是U型车？（冀价行费〔2010〕39号）
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You executed the following command: RMAN> RECOVER COPY OF DATAFILE '/u01/app/oracle/oradata/orcl/users01.dbf'; Which statement regarding the above command is correct?（）
A.The '/u01/app/oracle/oradata/orcl/users01.dbf' data file is recovered from the image copy B.The '/u01/app/oracle/oradata/orcl/users01.dbf' data file is recovered from the last incremental backup C. Image copies of the '/u01/app/oracle/oradata/orcl/users01.dbf' data file are updated with all changes up to incremental backup SCN. '/ u01/app/oracle/oradata/orcl/users01.dbf D.Image copies of the '/u01/app/oracle/oradata/orcl/users01.dbf' data file are recovered using the above command if data file recovery fails
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我*省对“U型车”的处理规定是什么？（冀价行费〔2010〕39号）
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我*省对U型车的处理规定是什么？（冀价行费〔2010〕39号）
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胸腔积液检查为：血性、比重1.020、蛋白定量39克／升、LDH503U／L、葡萄糖定量2.4mmoVL、ADA110U／L。最可能的诊断为
A.右心衰竭胸腔积液 B.结核性胸腔积液 C.癌性胸腔积液 D.丝虫病性胸腔积液 E.结缔组织病性胸腔积液
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