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单选题
You want to check the EMP table in the user， Scott’s schema for block corruption. You also want to fix the corrupted blocks， if any. How will you accomplish the required task？（）
A
by using the ANALYZE utility
B
by using the DBVERIFY utility
C
by using the DB_BLOCK_CHECKING parameter
D
by using the DBMS_REPAIR package
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更多 “单选题You want to check the EMP table in the user， Scott’s schema for block corruption. You also want to fix the corrupted blocks， if any. How will you accomplish the required task？（）A by using the ANALYZE utilityB by using the DBVERIFY utilityC by using the DB_BLOCK_CHECKING parameterD by using the DBMS_REPAIR package” 相关考题
考题
Examine the statement: Create synonym emp for hr. employees; What happens when you issue the statement? ()
A. An error is generated.B. You will have two identical tables in the HR schema with different names.C. You create a table called employees in the HR schema based on you EMP table.D. You create an alternative name for the employees table in the HR schema in your own schema.
考题
View the Exhibit for some of the current parameter settings. A user logs in to the HR schema and issues the following commands:SQL CREATE TABLE emp(empno NUMBER(3),ename VARCHAR2(20),sal NUMBER(8,2));SQL INSERT INTO emp(empno,ename) VALUES(1,‘JAMES‘);At this moment, a second user also logs in to the HR schema and issues the following command:SQL ALTER TABLE emp MODIFY sal NUMBER(10,2);What happens in the above scenario?（）A. The second user‘s session immediately produces the resource busy error.B. The second user‘s command executes successfully.C. The second user‘s session waits for a time period before producing the resource busy error.D. A deadlock is created.
考题
You want to check the EMP table in the user， Scott’s schema for block corruption. You also want to fix the corrupted blocks， if any. How will you accomplish the required task？（）A、by using the ANALYZE utilityB、by using the DBVERIFY utilityC、by using the DB_BLOCK_CHECKING parameterD、by using the DBMS_REPAIR package
考题
Your database is running in ARCHIVELOG mode. The SCOTT.EMP table belongs to the DATA1 tablespace. The junior DBA erroneously runs a script that executes the following statement： SQL DROP TABLE SCOTT.EMP PURGE； After one hour， you are performing the user managed incomplete recovery. Which datafiles will you restore from the last full backup？（）A、 the datafiles associated with the SYSTEM tablespaceB、 the datafiles associated to the DATA1 tablespaceC、 the datafiles associated to the SYSTEM and DATA1 tablespacesD、 all the datafiles in the database
考题
You are shrinking the SCOTT.EMP table by executing the ALTER TABLE SCOTT.EMP SHRINK SPACE CASCADE statement. What is a prerequisite for shrinking the SCOTT.EMP table？（）A、 You must enable the block change tracking feature.B、 You must have enable the flashback feature.C、 You must use the OMF in your database.D、 You must define the tablespace of the SCOTT.EMP table for automatic segment space management.
考题
You are performing flashback of the EMPLOYEE table in SCOTT’s schema because some incorrect data was inserted into the table and committed by mistake. Which two clauses will you use in the FLASHBACK TABLE statement for using the Flashback Table feature？ （）A、 RESETLOGSB、 TO TIMESTAMPC、 TO BEFORE DROPD、 RENAME TOE、 TO SCN
考题
In which scenario do you use the Flashback Database feature？（）A、 when a table is dropped and you restore it from the Recycle BinB、 when a user’s schema is dropped and you recover the user’s schemaC、 when some incorrect data is inserted in the table and you retrieve the table to a state that was at a certain timestampD、 when a row of a table is updated frequently and committed， and you view all the versions of the row within a specific duration
考题
The HR user creates a view with this command： SQL CREATE VIEW emp_v AS SELECT * FROM scott.emp； Now HR wants to grant the SELECT privilege on the EMP_V view to the JIM user. Which statement is true in this scenario？（）A、HR can grant the privilege to JIM but without GRANT OPTION.B、HR can grant the privilege to JIM because HR is the owner of the view.C、SCOTT has to grant the SELECT privilege on the EMP table to JIM before this operation.D、HR needs the SELECT privilege on the EMP table with GRANT OPTION from SCOTT for this operation.
考题
You created the DEPT table by using the following command： CREATE TABLE scott.dept （deptno NUMBER（3）， dname VARCHAR2（15）， loc VARCHAR2（15） ） STORAGE （INITIAL 100K NEXT 50K MAXEXTENTS 10 PCTINCREASE 5 FREELIST GROUPS 6 FREELISTS 4）；You are required to shrink the DEPT table. While performing the shrink operation， you want to ensure that the recovered space is returned to the tablespace in which the DEPT table is stored. You do not want to shrink the indexes created on the DEPT table. What will you do to shrink the SCOTT.EMP table？（）A、 Issue the ALTER TABLE SCOTT.DEPT SHRINK SPACE COMPACT； statement.B、 Issue the ALTER TABLE SCOTT.DEPT SHRINK SPACE； statement.C、 Issue the ALTER TABLE SCOTT.DEPT SHRINK SPACE CASCADE； statement.D、 You cannot shrink the SCOTT.EMP table.
考题
You issued the following command to analyze the SCOTT.EMP table for block corruption： ANALYZE TABLE SCOTT.EMP VALIDATE STRUCTURE； You received the following error： ORA-01578： ORACLE data block corrupted （file # %s， block # %s） How will you resolve the block corruption problem？（）A、 by using the DBMS_REPAIR packageB、 by using the DB_BLOCK_CHECKING parameterC、 by using the DBVERIFY utilityD、 will not be completely resolved until the hardware fault is corrected
考题
单选题In which scenario do you use the Flashback Database feature？（）A
when a table is dropped and you restore it from the Recycle BinB
when a user’s schema is dropped and you recover the user’s schemaC
when some incorrect data is inserted in the table and you retrieve the table to a state that was at a certain timestampD
when a row of a table is updated frequently and committed， and you view all the versions of the row within a specific duration
考题
单选题Examine the statement:Create synonym emp for hr. employees;What happens when you issue the statement?（）A
An error is generated.B
You will have two identical tables in the HR schema with different names.C
You create a table called employees in the HR schema based on you EMP table.D
You create an alternative name for the employees table in the HR schema in your own schema.
考题
单选题Your database is running in ARCHIVELOG mode. The SCOTT.EMP table belongs to the DATA1 tablespace. The junior DBA erroneously runs a script that executes the following statement： SQL DROP TABLE SCOTT.EMP PURGE； After one hour， you are performing the user managed incomplete recovery. Which datafiles will you restore from the last full backup？（）A
the datafiles associated with the SYSTEM tablespaceB
the datafiles associated to the DATA1 tablespaceC
the datafiles associated to the SYSTEM and DATA1 tablespacesD
all the datafiles in the database
考题
单选题What will be the result of using the SQL DROP USER SCOTT CASCADE； command？（）A
The user， Scott， is dropped， all the objects in Scott’s schema are placed in the Recycle Bin， and the objects that are already in the Recycle Bin are dropped.B
The user， Scott， is dropped， all the objects in Scott’s schema are placed in the Recycle Bin， and all the objects in the Recycle Bin， belonging to the user Scott， are not dropped.C
The user， Scott， is dropped， all the objects in the Scott’s schema are not placed in the Recycle Bin， and the objects in the Recycle Bin， belonging to the user， Scott， are not dropped.D
The user， Scott， is dropped， all the objects in Scott’s schema are not placed in the Recycle Bin， and the objects in the Recycle Bin are dropped.
考题
多选题In which two scenarios should you issue the following command？（） FLASHBACK TABLE SCOTT.EMP TO TIMESTAMP SYSTIMESTAP- INTERVAL ’15’ MINUTE；Awhen the schema of the user， SCOTT， was deleted by mistake 15 minutes agoBwhen the table EMP of the SCOTT schema was dropped by mistake 15 minutes agoCwhen some rows of the table， EMP， in the SCOTT schema were deleted by mistake 15 minutes agoDwhen some incorrect values were inserted in the EMP table in the user Scott’s schema during the last 15 minutesEnever， because FLASHBACK TABLE is not a valid command in Oracle 10g.
考题
多选题You execute the following piece of code with appropriate privileges: User SCOTT has been granted theCREATE SESSION privilege and the MGR role.Which two statements are true when a session logged in as SCOTT queries the SAL column in the viewand the table?（）AData is redacted for the EMP.SAL column only if the SCOTT session does not have the MGR role set.BData is redacted for EMP.SAL column only if the SCOTT session has the MGR role set.CData is never redacted for the EMP_V.SAL column.DData is redacted for the EMP_V.SAL column only if the SCOTT session has the MGR role set.EData is redacted for the EMP_V.SAL column only if the SCOTT session does not have the MGR role set.
考题
单选题You want to rebuild a free list in the free lists of the EMPLOYEE table in the Scott schema. Which package will you use to accomplish this？（）A
DBMS_REPAIRB
DBMS_SCHDULERC
DBMS_STATSD
DBMS_RESOURCE_MANAGER
考题
单选题You are performing the shrink operation on the SCOTT.EMP table. You want to perform the same operation on all dependent objects of the SCOTT.EMP table. What is NOT a prerequisite for the operation？（）A
You must enable the row movement on the SCOTT.EMP table.B
You must define the tablespace of the SCOTT.EMP table for automatic segment space management.C
You must use the CASCADE clause in the ALTER TABLE SHRINK SPACE statement.D
You must use the COMPACT clause in the ALTER TABLE SHRINK SPACE statement.
考题
单选题You issued the following command to analyze the SCOTT.EMP table for block corruption： ANALYZE TABLE SCOTT.EMP VALIDATE STRUCTURE； You received the following error： ORA-01578： ORACLE data block corrupted （file # %s， block # %s） How will you resolve the block corruption problem？（）A
by using the DBMS_REPAIR packageB
by using the DB_BLOCK_CHECKING parameterC
by using the DBVERIFY utilityD
will not be completely resolved until the hardware fault is corrected
考题
单选题You are shrinking the SCOTT.EMP table by executing the ALTER TABLE SCOTT.EMP SHRINK SPACE CASCADE statement. What is a prerequisite for shrinking the SCOTT.EMP table？（）A
You must enable the block change tracking feature.B
You must have enable the flashback feature.C
You must use the OMF in your database.D
You must define the tablespace of the SCOTT.EMP table for automatic segment space management.
考题
单选题You created the DEPT table by using the following command： CREATE TABLE scott.dept （deptno NUMBER（3）， dname VARCHAR2（15）， loc VARCHAR2（15） ） STORAGE （INITIAL 100K NEXT 50K MAXEXTENTS 10 PCTINCREASE 5 FREELIST GROUPS 6 FREELISTS 4）；You are required to shrink the DEPT table. While performing the shrink operation， you want to ensure that the recovered space is returned to the tablespace in which the DEPT table is stored. You do not want to shrink the indexes created on the DEPT table. What will you do to shrink the SCOTT.EMP table？（）A
Issue the ALTER TABLE SCOTT.DEPT SHRINK SPACE COMPACT； statement.B
Issue the ALTER TABLE SCOTT.DEPT SHRINK SPACE； statement.C
Issue the ALTER TABLE SCOTT.DEPT SHRINK SPACE CASCADE； statement.D
You cannot shrink the SCOTT.EMP table.
考题
多选题You are performing flashback of the EMPLOYEE table in SCOTT’s schema because some incorrect data was inserted into the table and committed by mistake. Which two clauses will you use in the FLASHBACK TABLE statement for using the Flashback Table feature？ （）ARESETLOGSBTO TIMESTAMPCTO BEFORE DROPDRENAME TOETO SCN
考题
单选题The user HR owns the EMP table. The user HR grants privileges to the user SCOTT by using this command： SQL GRANT SELECT，INSERT，UPDATE ON emp TO scott WITH GRANT OPTION； The user SCOTT executes this command to grant privileges to the user JIM： SQL GRANT SELECT，INSERT，UPDATE ON hr.emp TO jim； Now， the user HR decides to revoke privileges from JIM using this command： SQL REVOKE SELECT，INSERT，UPDATE ON emp FROM jim； Which statement is true after HR issues the REVOKE command（）A
The command fails because SCOTT still has privileges.B
The command succeeds and privileges are revoked from JIM.C
The command fails because HR cannot revoke the privileges from JIM.D
The command succeeds and only HR has the privilege to perform the SELECT， INSERT， and UPDATEoperations on the EMP table.
考题
多选题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. （）AGrant the RESOURCE role to SCOTT.BAdd data files to the USERS tablespace.CGrant the CREATE ANY TABLE privilege to SCOTT.DIncrease the space for SCOTT on the USERS tablespace.EIncrease the size of the data file associated with the USERS tablespace
考题
多选题User SCOTT executes the following command on the EMP table but has not issued COMMIT， ROLLBACK，or any data definition language （DDL） command： SQL SELECT job FROM emp 2 WHERE job=’CLERK’ FOR UPDATE OF empno; SCOTT has opened another session to work with the database. Which three operations would wait when issued in SCOTT’s second session？（）ALOCK TABLE emp IN SHARE MODE;BLOCK TABLE emp IN EXCLUSIVE MODE;CDELETE FROM emp WHERE job=’MANAGER’;DINSERT INTO emp（empno，ename） VALUES （1289，’Dick’）;ESELECT job FROM emp WHERE job=’CLERK’ FOR UPDATE OF empno;
考题
多选题User SCOTT executes the following command on the EMP table but has not issued COMMIT， ROLLBACK， or any data definition language （DDL） command： SQL SELECT ename FROM emp 2 WHERE job=’CLERK’ FOR UPDATE OF empno； SCOTT has opened another session to work with the database instance. Which three operations wouldwait when issued in SCOTT’s second session（）ALOCK TABLE emp IN SHARE MODE；BLOCK TABLE emp IN EXCLUSIVE MODE；CUPDATE emp SET sal=sal*1.2 WHERE job=MANAGER；DINSERT INTO emp（empno，ename） VALUES （1289，’Harry’）；ESELECT ename FROM emp WHERE job=’CLERK’ FOR UPDATE OF empno；
考题
多选题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（）ALOCK TABLE emp IN SHARE MODE；BLOCK TABLE emp IN EXCLUSIVE MODE；CUPDATE emp SET sal=sal*1.2 WHERE job=ANAGER？UPDATE emp SET sal=sal*1.2 WHERE job=？ANAGER？DINSERT INTO emp（empno，ename） VALUES （1289，’Harry’）；ESELECT ename FROM emp WHERE job=’CLERK’ FOR UPDATE OF empno
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