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Which statement describes the ROWID data type? （）
- A、Binary data up to 4 gigabytes.
- B、Character data up to 4 gigabytes.
- C、Raw binary data of variable length up to 2 gigabytes.
- D、Binary data stored in an external file, up to 4 gigabytes.
- E、A hexadecimal string representing the unique address of a row in its table.
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更多 “Which statement describes the ROWID data type? （）A、Binary data up to 4 gigabytes.B、Character data up to 4 gigabytes.C、Raw binary data of variable length up to 2 gigabytes.D、Binary data stored in an external file, up to 4 gigabytes.E、A hexadecimal string representing the unique address of a row in its table.” 相关考题
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Which statement describes the ROWID data type? ()
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单选题Examine the following RMAN script: RMAN run { debug on; allocate channel c1 type disk; backup datafile 5; } Which statement describes the purpose of the script?（）A
The data file is checked for physical corruption and backed up if found clean.B
The backup of data file 5 is performed and the interactive messages during the backup are suppressed.C
The existing backup for the data file is checked and the backup is performed if there are changes in the data file after the last backup.D
The backup of data file 5 is performed and all SQL statements that are executed during RMAN compilation and their results are displayed
考题
单选题Which statement describes the ROWID data type? （）A
Binary data up to 4 gigabytes.B
Character data up to 4 gigabytes.C
Raw binary data of variable length up to 2 gigabytes.D
Binary data stored in an external file, up to 4 gigabytes.E
A hexadecimal string representing the unique address of a row in its table.
考题
多选题Which three statements are true regarding the data types in Oracle Database 10g/11g?（）AOnly one LONG column can be used per tableBA TIMESTAMP data type column stores only time values with fractional secondsCThe BLOB data type column is used to store binary data in an operating system fileDThe minimum column width that can be specified for a VARCHAR2 data type column is oneEThe value for a CHAR data type column is blank-padded to the maximum defined column width
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单选题A major difference between archiving and backing up data is that data backups：（）A
contain data removed from the server.B
contain data that still resides on the server.C
are stored with the servers.D
are stored securely.
考题
单选题You issued the following commands to configure setting in RMAN; 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 channelB
It backs up two copies of data files to tape and disk, and two copies of archived log file on tapeC
It backs up the data files and archived log files to disk, making two copies of each data file and archived log fileD
It backs up the data files and archived log files to tape, making two copies of each data file and archived log file
考题
单选题Which tasks are necessary to perform a data migration using DFSMS?（）A
Microcode review and data classificationB
Initialization and data classificationC
Microcode review, ACS routine, and back up of dataD
Data classification, ACS routine, and back up of data
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