Which of the following datatypes store time-zone information in the database?()A、 TIMESTAMPB、 DATEC、 TIMESTAMP WITH TIME ZONED、 TIMESTAMP WITH LOCAL TIME ZONEE、 DATETIME
Which of the following datatypes store time-zone information in the database?()
- A、 TIMESTAMP
- B、 DATE
- C、 TIMESTAMP WITH TIME ZONE
- D、 TIMESTAMP WITH LOCAL TIME ZONE
- E、 DATETIME
相关考题:
Which of the following datatypes store time-zone information in the database?() A. TIMESTAMPB. DATEC. TIMESTAMP WITH TIME ZONED. TIMESTAMP WITH LOCAL TIME ZONEE. DATETIME
Which three are DATETIME data types that can be used when specifying column definitions? () A. TIMESTAMPB. INTERVAL MONTH TO DAYC. INTERVAL DAY TO SECONDD. INTERVAL YEAR TO MONTHE. TIMESTAMP WITH DATABASE TIMEZONE
Which of the following are all valid DB2 data types?() A.LONG VARCHAR, SMALLINT, NUMBER, BLOBB.DECIMAL, DATE, DBCLOB, INTERVALC.NUMERIC, TIMESTAMP, BYTE, FLOATD.NUM, TIME, XML, DOUBLE
Which command will restore all datafiles to the date 9/30/2008 at 18:00 hours? ()A、restore datafiles until time '09/28/2008:21:03:11'B、restore database files until time '09/28/2008:18:00:00'C、restore database until time '09/28/2008:18:00:00'D、recover database until time '09/28/2008:18:00:00'E、recover database until timestamp '09/28/2008:18:00:00'
How does NTP help you troubleshoot network problems?()A、By calculating the time offset from the GPS or atomic clockB、By setting the router clock to the default value if the router can't connect to a time serverC、By setting all network devices to the correct timeD、By setting necessary time date in the timestamp information
Which of the following are all valid DB2 data types?()A、LONG VARCHAR, SMALLINT, NUMBER, BLOBB、DECIMAL, DATE, DBCLOB, INTERVALC、NUMERIC, TIMESTAMP, BYTE, FLOATD、NUM, TIME, XML, DOUBLE
You are using the control file to maintain information about the database backups that are being performed by Recovery Manager (RMAN). Identify two scenarios is which you must have a recovery catalog.()A、To store the backup information of multiple databaseB、To restrict the amount of space that is used by the backupsC、To maintain a backup for a certain time is set by the CONTROL_FILE_RECORD_KEEP_TIME parameter.D、To list the data files that were in a target database at a given time by using the AT option of REPORT SCHEMA command.
You executed the following FLASHBACK TABLE command: FLASHBACK TABLE emp TO TIMESTAMP (’11:45’,’hh12:mi’); Which two statements are correct?()A、The FLASHBACK TABLE statement will not be written to the alert log file.B、The changes made to the EMP table since the specified time will be undone.C、The EMP table that was dropped by mistake from the database will be restored.D、The FLASHBACK TABLE statement will be executed within a single transaction.E、The FLASHBACK TABLE statement will not maintain the existing indexes on the EMP table. F、The list of transactions that have modified the EMP table since the specified time will be displayed.
You are working on an Oracle Database 10g database. Because of data loss, you decided to perform a Flashback Database operation using the following command: SQL FLASHBACK DATABASE TO TIMESTAMP(SYSDATE 5/24); Which two statements are true? ()A、SYSDATE should not be used with TIMESTAMP.B、The database must have multiplexed redo log files.C、The database must be in the MOUNT state to execute the command.D、The database must be opened with the RESETLOGS option after the flashback operation.E、The entire database needs to be restored from the most recent backup before the flashback operation.
Which of the following datatypes store time-zone information in the database?()A、TIMESTAMPB、DATEC、TIMESTAMP WITH TIME ZONED、TIMESTAMP WITH LOCAL TIME ZONEE、DATETIME
You create a table with the PERIOD FOR clause to enable the use of the Temporal Validity feature of Oracle Database 12c. Examine the table definition: Which three statements are true concerning the use of the Valid Time Temporal feature for the EMPLOYEES table?()A、The valid time columns employee_time_start and employee_time_end are automatically created.B、The same statement may filter on both transaction time and valid temporal time by using the AS OF TIMESTAMP and PERIOD FOR clauses.C、The valid time columns are not populated by the Oracle Server automatically.D、The valid time columns are visible by default when the table is described.E、Setting the session valid time using DBMS_FLASHBACK_ARCHIVE.ENABLE_AT_VALID_TIME sets the visibility for data manipulatio
Which three are DATETIME data types that can be used when specifying column definitions?()A、TIMESTAMPB、INTERVAL MONTH TO DAYC、INTERVAL DAY TO SECONDD、INTERVAL YEAR TO MONTHE、TIMESTAMP WITH DATABASE TIMEZONE
Your Oracle10g database contains a table with a TIMESTAMP TO LOCAL TIME ZONE column. There are about two hundred column values for the column. You issued the following statement: SQL ALTER DATABASE SET TIME_ZONE =’Europe/London’; What will be the result of issuing the above statement?()A、 The statement will be executed successfully, and a new time zone will be set for the database.B、 The statement will be executed successfully, but a new time zone will not be set for the database.C、 The statement will not be executed successfully because the SET TIME_ZONE clause can be used only with the ALTER SESSION statement.D、 The statement will not be executed successfully because the ALTER DATABASE SET TIME_ZONE statement is used only when the database contains no table with the TIMESTAMP TO LOCAL TIME ZONE column.
You are using the control file to maintain information about the database backups that are being performed by Recovery Manager (RMAN).Identify two scenarios is which you must have a recovery catalog. ()(Choose two.)A、To store the backup information of multiple databaseB、To restrict the amount of space that is used by the backupsC、To maintain a backup for a certain time is set by the CONTROL_FILE_RECORD_KEEP_TIME parameter.D、To list the data files that were in a target database at a given time by using the AT option of REPORT SCHEMA command.
You have set the value of the NLS_TIMESTAMP_TZ_FORMAT parameter in the parameter file to YYYY-MM-DD. The default format of which two data types would be affected by this setting? ()A、 DATEB、 TIMESTAMPC、 INTERVAL YEAR TO MONTHD、 INTERVAL DAY TO SECONDE、 TIMESTAMP WITH LOCAL TIME ZONE
You created the ORDERS table in your database by using the following code: SQL CREATE TABLE ORDERS (ORDER_DATE TIMESTAMP(0) WITH TIME ZONE); Then, you inserted data in the ORDERS table and saved it by issuing the following statements:SQL INSERT INTO ORDERS VALUES(’18-AUG-00 10:26:44 PM America/New_York’); SQL INSERT INTO ORDERS VALUES(’23-AUG-02 12:46:34 PM America/New_York’); SQL COMMIT; Next, you issued the following statement to change the time zone for the database: SQL ALTER DATABASE SET TIME_ZONE=’Europe/London’; What will be the result of executing the above statement?() A、 The statement will fail.B、 The statement will be executed successfully, and the new time zone will be set for the database.C、 The statement will be executed successfully, but the new time zone will be set for the current session.D、The statement will be executed successfully, but the new time zone will neither be set for the database nor for a specific session.
You have set the value of the NLS_TIMESTAMP_TZ_FORMAT parameter in the parameter file to YYYY/x7fMM/x7fDD. The default format of which two data types would be affected by this setting?()A、DATEB、TIMESTAMPC、INTERVAL YEAR TO MONTHD、INTERVAL DAY TO SECONDE、TIMESTAMP WITH LOCAL TIME ZONE
The current time zone for one of the user sessions is set to the database local time zone. For one application, the user session requires the time zone to be set to the local operating system time zone without affecting other user sessions. Which two solutions could the user implement to achieve this objective? ()A、 use the ALTER SYSTEM command to change the time zoneB、 use the ALTER SESSION command to change the time zoneC、 use the ALTER DATABASE command to change the time zoneD、 set the value for the operating system variable ORA_SDTZ on the client machineE、 set the value for the operating system variable ORA_SDTZ on the database server machine
Examine the list of variables and their data types: AME DATA Type TS, TS1 TIMESTAMP TSZ TIMESTAMP WITH TIME ZONE TLZ TIMESTAMP WITH LOCAL TIME ZONE IYM INTERVAL YEAR TO MONTH IDS, IDSI INTERVAL YEAR To SECOND Which three expressions using the new data and time data types are valid?()A、IDS* 2B、TS + IYMC、TS –TSID、IDS – TSE、IDS + IYM
You issued the following command at the UNIX environment: % setenv ORA_SDTZ ’OZ_TZ’ What will be the impact of issuing the above command?() A、 The operating system local time zone will be set for a user session using the operating system environment variable.B、 The database local time zone will be set for a user session using the operating system environment variable.C、 The operating system local time zone will be set for the database using the operating system environmentD、 The database local time zone will be set for the database using the operating system environment variable.
多选题You have set the value of the NLS_TIMESTAMP_TZ_FORMAT parameter in the parameter file to YYYY/x7fMM/x7fDD. The default format of which two data types would be affected by this setting?()ADATEBTIMESTAMPCINTERVAL YEAR TO MONTHDINTERVAL DAY TO SECONDETIMESTAMP WITH LOCAL TIME ZONE
多选题You have set the value of the NLS_TIMESTAMP_TZ_FORMAT parameter in the parameter file to YYYY-MM-DD. The default format of which two data types would be affected by this setting? ()ADATEBTIMESTAMPCINTERVAL YEAR TO MONTHDINTERVAL DAY TO SECONDETIMESTAMP WITH LOCAL TIME ZONE
单选题Which of the following datatypes store time-zone information in the database?()ATIMESTAMPBDATECTIMESTAMP WITH TIME ZONEDTIMESTAMP WITH LOCAL TIME ZONEEDATETIME
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
单选题You issued the following command at the UNIX environment: % setenv ORA_SDTZ ’OZ_TZ’ What will be the impact of issuing the above command?()A The operating system local time zone will be set for a user session using the operating system environment variable.B The database local time zone will be set for a user session using the operating system environment variable.C The operating system local time zone will be set for the database using the operating system environmentD The database local time zone will be set for the database using the operating system environment variable.
多选题You are using the control file to maintain information about the database backups that are being performed by Recovery Manager (RMAN).Identify two scenarios is which you must have a recovery catalog. ()(Choose two.)ATo store the backup information of multiple databaseBTo restrict the amount of space that is used by the backupsCTo maintain a backup for a certain time is set by the CONTROL_FILE_RECORD_KEEP_TIME parameter.DTo list the data files that were in a target database at a given time by using the AT option of REPORT SCHEMA command.
单选题Which of the following datatypes store time-zone information in the database?()A TIMESTAMPB DATEC TIMESTAMP WITH TIME ZONED TIMESTAMP WITH LOCAL TIME ZONEE DATETIME
单选题How does NTP help you troubleshoot network problems?()ABy calculating the time offset from the GPS or atomic clockBBy setting the router clock to the default value if the router can't connect to a time serverCBy setting all network devices to the correct timeDBy setting necessary time date in the timestamp information