A.You can perform consistent backups only.
B.You can perform a complete database backup without shutting down the database instance.
C.You can back up data files only when all data files have the same SCN recorded in the control file.
D.You can back up only those data files whose headers are frozen by using ALTER TABLESPACE BEGINBACKUP or ALTER DATABASE BEGIN BACKUP commands
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A.Indexes and views can be created on temporary tables.
B.Both the data and the structure of temporary tables can be exported.
C.Temporary tables are always created in a user’s temporary tablespace.
D.The data inserted into a temporary table in a session is available to other sessions.
E.Data manipulation language （DML） locks are never acquired on the data of temporary tables
You want to configure and schedule offline database backups to run automatically.
Which tool or utility wouldyou use to achieve this（）
A.The XML script
B.The PL/SQL script
C.The DBMS_SCHEDULER package
D.Enterprise Manager to schedule the backup
A.Running a query on a table returns "ORA-600： Internal Error."
B.Inserting a value in a table returns "ORA-01722： invalid number."
C.Creating a table returns "ORA-00955： name is already used by an existing object."
D.Inserting a value in a table returns "ORA-00001： unique constraint （SYS.PK_TECHP） violated."
E.Inserting a row in a table returns "ORA-00060： deadlock detected while waiting for resource."
You set the following parameters in the parameter file and restarted the database：MEMORY_MAX_TARGET=0MEMORY_TARGET=500M
PGA_AGGREGATE_TARGET=90MSGA_TARGET=270M
Which two statements are true about these parameters after the database instance is restarted（）
A.The MEMORY_MAX_TARGET parameter is automatically set to 500 mb.
B.The pga_AGGREGATE_TARGET and sga_TARGET parameters are automatically set to zero.
C.The value of the MEMORY_MAX_TARGET parameter remains zero until it is changed manually.
D.The lower bounds of pga_AGGREGATE_TARGET and sga_TARGET parameters are set to 90 nb and270 mb， respectively
You execute the following command to change the status of the SALES tablespace：SQL> ALTER TABLESPACE sales OFFLINE；
Which statements describe the effect of the command（）
A.The tablespace would require recovery to go back online.
B.A checkpoint is taken on all data files that are associated with the SALES tablespace.
C.The sessions that subsequently try to access the objects in the SALES tablespace receive an error
D.The new status of the SALES tablespace is recorded in the control file when the database instance isclosed
Examine the following statement that is used to modify the primary key constraint on the SALES table：
SQL> ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALIDATE；
Which three statements aretrue regarding the above command（）
A.The constraint remains valid.
B.The index on the constraint is dropped.
C.It allows the loading of data into the table using SQL *Loader.
D.New data conforms to the constraint， but existing data is not checked.
E.It allows the data manipulation on the table using INSERT/UPDATE/DELETE SQL statements.
Your database instance is running with full workload after database creation. You have decided to use a fixed-size undo tablespace. You want to use the Undo Advisor to estimate the capacity of the undo tablespace.
Which two factors must you consider before using the Undo Advisor to estimate the capacity of the undotablespace（）
A.The retention period to support flashback
B.The expected length of the longest-running query
C.The number of undo tablespaces in the database
D.The size of the Flash Recovery Area for the database instance
The session of user SCOTT receives the following error after executing an UPDATE command on the EMPtable：
ERROR at line 1：
ORA-00060： deadlock detected while waiting for resource On investigation， you find that a session opened byuser JIM has a transaction that caused the deadlock.
Which two statements are true regarding the session ofSCOTT in this scenario（）
A.The session is terminated after receiving the error and JIM can continue with his transaction.
B.SCOTT should perform a COMMIT or ROLLBACK to allow JIM to continue with his transaction.
C.The session is rolled back after receiving the error and JIM can continue with his transaction.
D.SCOTT has to reexecute the last command in the transaction after he commits the transaction.
The HR user creates a stand-alone procedure as follows and grants the EXECUTE privilege on the procedureto many database users：
CREATE OR REPLACE PROCEDURE create_dept （ v_deptno NUMBER， v_dname VARCHAR2， v_mgrNUMBER， v_loc NUMBER）BEGIN
INSERT INTO hr.departments VALUES （v_deptno， v_dname， v_mgr， v_loc）； END；
The users having permission to execute the procedure are able to insert records into the DEPARTMENTS tableeven though they do not have the INSERT privilege on the table. You want only those users who haveprivileges on the DEPARTMENTS table to be able to execute the procedure successfully.
What would yousuggest to the PL/SQL developers to achieve this（）
A.Create the procedure with definer’s right.
B.Create the procedure with invoker’s right.
C.Grant the EXECUTE privilege with GRANT OPTION on the procedure to selected users.
D.Create the procedure as part of a PL/SQL package and grant the EXECUTE privilege on the package toselected users
User SCOTT wants to perform a bulk insert operation in the EMP_DEP table. SCOTT receives the followingerror after the INSERT statement is issued and few rows are inserted：INSERT INTO EMP_DEP （emp_id，name，salary，dep_name，mgr_id） *ERROR at line 1：
ORA-01653： unable to extend table SCOTT.EMP_DEP by 128 in tablespace USERS Identify two actions eitherof which will help you resolve this problem. （）
A.Grant the RESOURCE role to SCOTT.
B.Add data files to the USERS tablespace.
C.Grant the CREATE ANY TABLE privilege to SCOTT.
D.Increase the space for SCOTT on the USERS tablespace.
E.Increase the size of the data file associated with the USERS tablespace
最新试题
The session of user SCOTT receives the following error after executing an UPDATE command on the EMPtable：ERROR at line 1：ORA-00060： deadlock detected while waiting for resource On investigation， you find that a session opened byuser JIM has a transaction that caused the deadlock. Which two statements are true regarding the session ofSCOTT in this scenario（）
You set the following parameters in the parameter file and restarted the database：MEMORY_MAX_TARGET=0MEMORY_TARGET=500MPGA_AGGREGATE_TARGET=90MSGA_TARGET=270MWhich two statements are true about these parameters after the database instance is restarted（）
Your database instance is running with full workload after database creation. You have decided to use a fixed-size undo tablespace. You want to use the Undo Advisor to estimate the capacity of the undo tablespace.Which two factors must you consider before using the Undo Advisor to estimate the capacity of the undotablespace（）
Which statements are correct about temporary tables（）
You want to configure and schedule offline database backups to run automatically. Which tool or utility wouldyou use to achieve this（）
User SCOTT executes the following command on the EMP table but has not issued COMMIT， ROLLBACK， orany data definition language （DDL） command：SQL> SELECT ename FROM emp WHERE job=’CLERK’ FOR UPDATE OF empno；SCOTT has opened another session to work with the database instance. Which three operations would waitwhen issued in SCOTT’s second session（）
You have two database servers SEMP and SACCT. The database in the SEMP server maintains the employeeinformation and the database in the SACCT server maintains the accounts payable information. The employeessubmit the expense reports to the accounts payable department. A user of the accounts payable databasewants to extract the employee information from the database in the SEMP server for cross-verification. Whichschema object enables the user to access the information from the remote database（）
Examine the command that is used to create a table：SQL> CREATE TABLE orders（oid NUMBER（6） PRIMARY KEY， odate DATE， ccode NUMBER （6）， oamtNUMBER（10，2）） TABLESPACE users；Which two statements are true about the effect of the above command（）
After performing a clean shut down of the database instance for maintenance， you mount the database andthen execute a command to open the database：SQL> ALTER DATABASE OPEN；Which two statements are true（）
Your database is functional with a peak load for the last one hour. You want to preserve the performancestatistics collected during this period to be used for comparison when you analyze the performance of thedatabase in the future. What action would you take to achieve this task（）