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在Activity中使用【 】方法可以打开/data/data/包名/files/a.txt文件的输出流对象。
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openFileOutput
更多 “在Activity中使用【 】方法可以打开/data/data/包名/files/a.txt文件的输出流对象。” 相关考题
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SharedPreferences保存文件的路径和扩展名是()。
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将SQL*PLUS的显示结果输出到d:\data1.txt文件中的命令是()
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SharedPreferences保存文件的路径和扩展名是？（）A、/data/data/shared_prefs/——*.txtB、/data/data/packagename/shared_prefs/——*.xmlC、/mnt/sdcard/指定文件夹——指定扩展名D、任意路径——指定扩展名
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TI8.x Data Collection可以将LOG输出成多种开放格式的文件，以下哪种类型的文件不是TI8.x Data Collection能输出的（）A、TextB、MapinfoTabC、ZIPD、Mif
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You are using RMAN to perform a closed database backup of your database. You issue these RMAN commands： STARTUP MOUNT； BACKUP FORMAT ’/BACKUP/df_%d_%s_%p.bus’ DATABASE filesperset = 2； Which components are included in the backup？（）A、Only the data files.B、Only the data files and the online logs.C、The data files， control files， and the online logs.D、The data files and control files， but not the online logs.
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Which statement is true about the loss of system/x7fcritical data files in ARCHIVELOG mode？（）A、The data files can be recovered till the last committed transaction.B、The data files can be recovered without shutting down the database.C、The data file is taken offline automatically; the database remains open.D、The data files can be recovered to the time of the most recent backup.
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Your multitenant container database (CDB) is running in ARCHIVELOG mode. You connect to the CDB RMAN. Examine the following command and its output: You execute the following command: RMAN BACKUP DATABASE PLUS ARCHIVELOG; Which data files will be backed up?（）A、Data files that belong to only the root containerB、Data files that belong to the root container and all the pluggable databases (PDBs)C、Data files that belong to only the root container and PDB$SEEDD、Data files that belong to the root container and all the PDBs excluding PDB$SEED
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When performing an incomplete recover of the whole database， which data files must you restore？ （）A、Only the damaged or lost data files.B、All of the data files of the database.C、Only the data files belonging to the SYSTEM tablespace.D、The data files belonging to the SYSTEM tablespace and the damaged or lost data files.
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Which three statements are true about the stages of database startup？（）A、Data files and redo log files can be renamed at the MOUNT stage.B、Control files are read at the OPEN stage for the location of data files.C、Control files are required to bring the database to the NOMOUNT stage.D、Data files and redo log files are made available to users at the OPEN stage.E、Data files and online redo log files are checked for consistency while opening the database
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Which statement is true about the loss of system-critical data files in ARCHIVELOG mode？（）A、The data files can be recovered till the last committed transaction.B、The data files can be recovered without shutting down the database.C、The data file is taken offline automatically； the database remains open.D、The data files can be recovered to the time of the most recent backup.
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单选题将SQL*PLUS的显示结果输出到d:/data1.txt文件中的命令是（）A
write to d:/data1.txtB
output to d:/data1.txtC
spool to d:/data1.txtD
spool on d:/data1.txtE
spool d:/data1.txt
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单选题访问应用文件目录下的文件”其中的目录是什么？（）A
/data/应用包名/filesB
/data/data/应用包名/fileC
/data/data/应用包名/filesD
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单选题When performing an incomplete recover of the whole database， which data files must you restore？ （）A
Only the damaged or lost data files.B
All of the data files of the database.C
Only the data files belonging to the SYSTEM tablespace.D
The data files belonging to the SYSTEM tablespace and the damaged or lost data files.
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单选题SharedPreferences保存文件的路径和扩展名是？（）A
/data/data/shared_prefs/——*.txtB
/data/data/packagename/shared_prefs/——*.xmlC
/mnt/sdcard/指定文件夹——指定扩展名D
任意路径——指定扩展名
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单选题下列关于XML布局文件在Java代码中被引用的说明中，不正确的是？（）A
在Activity中，可以使用findViewById（）方法，通过资源id，获得指定视图元素B
在Activity中，可以使用R.drawable-system.***方式引用Android系统所提供的图片资源C
在Activity中，可以使用setContentView（）方法，确定加载哪一个布局文件D
可以使用View类的findViewById（）方法，获得当前View对象中的某一个视图元素
考题
单选题Which statement is true about the loss of system-critical data files in ARCHIVELOG mode？（）A
The data files can be recovered till the last committed transaction.B
The data files can be recovered without shutting down the database.C
The data file is taken offline automatically； the database remains open.D
The data files can be recovered to the time of the most recent backup.
考题
单选题Which statement is true about the loss of system/x7fcritical data files in ARCHIVELOG mode？（）A
The data files can be recovered till the last committed transaction.B
The data files can be recovered without shutting down the database.C
The data file is taken offline automatically; the database remains open.D
The data files can be recovered to the time of the most recent backup.
考题
多选题Which two statements correctly describe the relation between a data file and the logical databasestructures（）AAn extent cannot spread across data files.BA segment cannot spread across data files.CA data file can belong to only one tablespace.DA data file can have only one segment created in it.EA data block can spread across multiple data files as it can consist of multiple operating system （OS） blocks.
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单选题You are operating your database in NOARCHIVELOG mode. Your most recent backup includes a copy of all of the data files and the control files taken when the current log sequence number was 45. You experience disk failure on the drive on which your SYSTEM tablespace data files are stored. At the time of the failure， the current log sequence number is 98. Which files should you restore to recover from the loss of the SYSTEM tablespace data files？（）A
Only the data files.B
All of the data files and the control files.C
Only the data files belonging to the SYSTEM tablespace.D
Only the data files belonging to the SYSTEM tablespace and the control files.
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单选题Which files must be synchronized in order for a database to start？（）A
temp filesB
online data filesC
offline data filesD
read only data files
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