单选题Note the output of the following query； SQL SELECT flashback_archieve_name， status FROM dba_flashback_archieve； FLASHBACK_ARCHIEVE_NAME STATUS FLA1 You executed the following command to enable Flashback Data Archive on the EXCHANGB_PATE table： ALTER TABLE exchange_rate FLASHBACK ARCHIEVE； What is the outcome of this command？（）A The table uses the default Flashback Data Archive.B The Flashback Data Archive Is created In the SYSAUX tablespace.C The Flashback Data Archive is created in the same tablespace where the tables are stored.D The command generates an error because no flashback Data Archive name is specified and there is no default Flashback Data Achieve.
单选题
Note the output of the following query； SQL> SELECT flashback_archieve_name， status FROM dba_flashback_archieve； FLASHBACK_ARCHIEVE_NAME STATUS FLA1 You executed the following command to enable Flashback Data Archive on the EXCHANGB_PATE table： ALTER TABLE exchange_rate FLASHBACK ARCHIEVE； What is the outcome of this command？（）
A
The table uses the default Flashback Data Archive.
B
The Flashback Data Archive Is created In the SYSAUX tablespace.
C
The Flashback Data Archive is created in the same tablespace where the tables are stored.
D
The command generates an error because no flashback Data Archive name is specified and there is no default Flashback Data Achieve.
参考解析
解析：
暂无解析
相关考题：
用SQL命令生成含有字段职工号、姓名的视图，下列语句正确的是______。A．CREATE VIEW ZG w AS SELECT职工号，姓名FROM职工B．CREATE QUERY ZG w AS SELECT职工号，姓名FROM职工C．CREATE VIEW ZG w AS SELECT职工号，姓名D．CREATE QUERY ZG w AS SELECT职工号，姓名
You have an SQL query that takes one minute to execute. You use the following code segment to execute theSQL query asynchronously.Dim ar As IAsyncResult = cmd.BeginExecuteReader()You need to execute a method named DoWork() that takes one second to run while the SQL query is executing.DoWork() must run as many times as possible while the SQL query is executing.Which code segment should you use?（）A.B.C.D.
Examine the following commands and their output:SQL SELECT ename, sal FROM emp WHERE ename=‘JAMES‘; ENAME SAL JAMES 1050QL UPDATE emp SET sal=sal+sal*1.2 WHERE ename=‘JAMES‘;1 row updated.SQL SELECT ename, sal FROM emp WHERE ename=‘JAMES‘; ENAME SAL JAMES 2310View the exhibit and examine the Flashback Version Query that was executed after the preceding commands.What could be the possible cause for the query not displaying any row?（）A. Flashback logging is not enabled for the database.B. The changes made to the table are not committed.C. Supplemental logging is not enabled for the database.D. The database is not configured in ARCHIVELOG mode.
Your database interface is running. A user SCOTT starts a SQL *Plus session, and issues the following query:SQL SELECT * FROM sales;Which process would retrieve the result from the database and return it to the client program?（）A. User processB. Server processC. System Monitor (SMON)D. Process Monitor (PMON)E. Checkpoint process (CKPT)
The user Alice wants to grant all users query privileges on her DEPT table. Which SQL statement accomplishes this? () A. GRANT select ON dept TO ALL_ USER;B. GRANT select ON dept TO ALL;C. GRANT QUERY ON dept TO ALL_USERSD. GRANT select ON dept TO PUBLIC;
用SQL命令生成含有字段职工号、姓名的视图，下列语句正确的是 ______。A．CREATE VIEW ZG_w AS SELECT职工号，姓名FROM职工B．CREATE QUERY ZG_w AS SELECT职工号，姓名FROM职工C．CREATE VIEW ZG w AS SELECT职工号，姓名D．CREATE QUERY ZG_w AS SELECT职工号，姓名
SQL是 ______的缩写。A．Standard Query LanguageB．Structured Query LanguageC．Select Query LanguageD．以上都不是
SQL是哪几个英文单词的缩写?A．Standard Query LanguageB．Structured Query LanguageC．Select QueryL anguageD．以上都不是
SQL是哪几个英语单词的缩写（）A、Standard Query LanguageB、Structured Query LanguageC、Select Query LanguageD、其他三项都不是
Examine the following output： SQL SELECT index_name，status FROM dba_indexes WHERE status=’UNUSABLE’； INDEX_NAME STATUS------------------------------ ----------- EIND UNUSABLE Which two statements about the above index are true（）A、It is ignored by the query optimizer.B、It is not used while the index is being rebuilt.C、The index cannot be rebuilt， and has to be re-created.D、The index is automatically rebuilt when used the next time
SQL是那几个英文单词的缩写（）A、Standard Query LanguageB、Structured Query LanguageC、Select Query LanguageD、以上都不是
SQL是（）英文单词的缩写。A、Structured Query LanguageB、Standard Query LanguageC、Select Query LanguageD、以上都不是
A number of applications issue the following SQL statement:SELECT d.deptno, e.empno, e.salary FROM department d INNER JOIN employee e ON d.deptno = e.deptnoA database administrator wishes to store this query within the database. Which of the following database objects can be used to accomplish this?（）A、AliasB、ViewC、SchemaD、Trigger
Evaluate the following query: SQL SELECT TRUNC(ROUND(156.00,-1),-1)FROM DUAL; What would be the outcome?（）A、16 B、100 C、160 D、200 E、150
A database user SMITH tries to query the V$SESSION view and fails to access it as follows： SQL connect smith/smith Connected. SQL SELECT * FROM v$session； SELECT * FROM v$session * ERROR at line 1： ORA-00942： table or view does not exist Which are the two possible solutions to enable SMITH to query the data in V$SESSION（）A、granting SELECT privilege to SMITH on V$SESSIONB、granting SELECT privilege to SMITH on V_$SESSIONC、asking the user SMITH to run the catalog.sql scriptD、granting SELECT privilege to SMITH on V$FIXED_TABLESE、setting the O7_DICTIONARY_ACCESSIBILITY parameter to TRUEF、creating a view based on V$SESSION and granting SELECT privilege to SMITH on the view that was created
Note the output of the following query； SQL SELECT flashback_archieve_name， status FROM dba_flashback_archieve； FLASHBACK_ARCHIEVE_NAME STATUS FLA1 You executed the following command to enable Flashback Data Archive on the EXCHANGB_PATE table： ALTER TABLE exchange_rate FLASHBACK ARCHIEVE； What is the outcome of this command？（） A、 The table uses the default Flashback Data Archive.B、 The Flashback Data Archive Is created In the SYSAUX tablespace.C、 The Flashback Data Archive is created in the same tablespace where the tables are stored.D、 The command generates an error because no flashback Data Archive name is specified and there is no default Flashback Data Achieve.
You executed the following query： SELECT operation， undo_sql， table_name FROM flashback_transaction_query； Which statement is correct regarding the query output？（） A、It would return information regarding only the last committed transaction.B、It would return only the active transactions in all the undo segments in the database.C、It would return only the committed transactions in all the undo segments in the database.D、It would return both active and committed transactions in all the undo segments in the database.E、It would return information regarding the transactions that began and were committed in the last 30 minutes.
TestKing.com uses SQL Server 2005. A user reports that an order processing application stopped responding in the middle of an order transaction. The users SQL Server session ID is 54. You need to find out if session 54 is blocked by another connection. If it is,you need to identify the blocking session ID. What are two possible ways to achieve this goal？（）A、In SQL Server Management Studio， open the Activity Monitor. Open the Process Info page. View the blockedBy column for session 54.B、In SQL Server Management Studio，open the Activity Monitor. Open the Locks by Process page. View the Request Mode column for session 54.C、In SQL Server Management Studio， open a new query window and execute the following statement.SELECT * FROM sys.dm exec requests WHERE session id = 54View the blocking session id column.D、In SQL Server Management Studio， open a new query window and execute the following statement.SELECT * FROM sys.dm exec sessionsWHERE session id = 54View the status column.
单选题Your database interface is running. A user SCOTT starts a SQL *Plus session， and issues the following query： SQL SELECT * FROM sales； Which process would retrieve the result from the database and return it to the client program？（）A User processB Server processC System Monitor （SMON）D Process Monitor （PMON）E Checkpoint process （CKPT）
单选题Evaluate the following query: SQL SELECT TRUNC(ROUND(156.00,-1),-1)FROM DUAL; What would be the outcome?（）A16 B100 C160 D200 E150
单选题Your database interface is running. A user SCOTT starts a SQL *Plus session, and issues the following query: SQL SELECT * FROM sales; Which process would retrieve the result from the database and return it to the client program?（）AUser processBServer processCSystem Monitor (SMON)DProcess Monitor (PMON)ECheckpoint process (CKPT)
单选题You executed the following query： SELECT operation， undo_sql， table_name FROM flashback_transaction_query； Which statement is correct regarding the query output？（）AIt would return information regarding only the last committed transaction.BIt would return only the active transactions in all the undo segments in the database.CIt would return only the committed transactions in all the undo segments in the database.DIt would return both active and committed transactions in all the undo segments in the database.EIt would return information regarding the transactions that began and were committed in the last 30 minutes.
多选题TestKing.com uses SQL Server 2005. A user reports that an order processing application stopped responding in the middle of an order transaction. The users SQL Server session ID is 54. You need to find out if session 54 is blocked by another connection. If it is,you need to identify the blocking session ID. What are two possible ways to achieve this goal？（）AIn SQL Server Management Studio， open the Activity Monitor. Open the Process Info page. View the blockedBy column for session 54.BIn SQL Server Management Studio，open the Activity Monitor. Open the Locks by Process page. View the Request Mode column for session 54.CIn SQL Server Management Studio， open a new query window and execute the following statement.SELECT * FROM sys.dm exec requests WHERE session id = 54View the blocking session id column.DIn SQL Server Management Studio， open a new query window and execute the following statement.SELECT * FROM sys.dm exec sessionsWHERE session id = 54View the status column.
单选题The user Alice wants to grant all users query privileges on her DEPT table. Which SQL statement accomplishes this? （）AGRANT select ON dept TO ALL_ USER;BGRANT select ON dept TO ALL;CGRANT QUERY ON dept TO ALL_USERSDGRANT select ON dept TO PUBLIC;
多选题Examine the following output： SQL SELECT index_name，status FROM dba_indexes WHERE status=’UNUSABLE’； INDEX_NAME STATUS------------------------------ ----------- EIND UNUSABLE Which two statements about the above index are true（）AIt is ignored by the query optimizer.BIt is not used while the index is being rebuilt.CThe index cannot be rebuilt， and has to be re-created.DThe index is automatically rebuilt when used the next time
单选题A user named Arren is executing this query： select table_name，operation，undo_sql from flashback_transaction_query t， （select versions_xid as xid from employees versions between scn minvalue and maxvalue where employee_id = 123） e where t.xid = e.xid； When the query runs，he receives an ORA-01031： insufficient privileges error. Since the user owns the employees table，you know that it is not the problem. Which of the following SQL statements will correct this problem？（）A GRANT SELECT ANY TRANSACTION TO ARRENB GRANT SELECT ON FLASHBACK_TRANSACTION_QUERY TO ARRENC GRANT SELECT_ANY_TRANSACTION TO ARREND GRANT FLASHBACK TO ARRENE GRANT SELECT ANY VIEW TO ARREN
单选题EXHIBIT, Emp Table Exhibit A Exhibit B Examine the data from the EMP table. Evaluate this SQL statement: SELECT * FROM emp WHERE emp _ id = 3); WHERE commission = (SELECT commission FROM emp What is the result when the query is executed?（）A Exhibit AB Exhibit BC The query returns no rowsD The query fails because the outer query is retrieving more than one columnE The query fails because both the inner and outer queries are retrieving data from the same table.