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单选题
User A executes the following command to drop a large table in your database：SQL> DROP TABLE trans； While the drop table operation is in progress， user B executes the following command on the same table：SQL> DELETE FROM trans WHERE tr_type=’SL’； Which statement is true regarding the DELETE command（）
A
It fails to delete the records because the records are locked in SHARE mode.
B
It deletes the rows successfully because the table is locked in SHARE mode
C
It fails to delete the records because the table is locked in EXCLUSIVE mode.
D
It deletes the rows successfully because the table is locked in SHARE ROW EXCLUSIVE mode.
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更多 “单选题User A executes the following command to drop a large table in your database：SQL DROP TABLE trans； While the drop table operation is in progress， user B executes the following command on the same table：SQL DELETE FROM trans WHERE tr_type=’SL’； Which statement is true regarding the DELETE command（）A It fails to delete the records because the records are locked in SHARE mode.B It deletes the rows successfully because the table is locked in SHARE modeC It fails to delete the records because the table is locked in EXCLUSIVE mode.D It deletes the rows successfully because the table is locked in SHARE ROW EXCLUSIVE mode.” 相关考题
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The user SYS creates a job by using the following command:Which two statements are true about the job that was created by the preceding command?()
A. The job is enabled by default after creationB. The job is automatically dropped after the end dateC. The job executes with the privileges of the user SYSD.
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You executed the following command to drop a user:DROP USER scott CASCADE;Which two statements regarding the above command are correct?()
A. All the objects of scott are moved to the Recycle Bin.B. Any objects in the Recycle Bin belonging to scott are purged.C. All the objects owned by scott are permanently dropped from the database.D. All the objects of scott in the Recycle Bin must be purged before executing the DROP command.E. Any objects in the Recycle Bin belonging to scott will not be affected by the above DROP command.
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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.
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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
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授予删除任何表的系统权限（DROP ANY TABLE）给user1，并使其能继续授该权限给其他用户，以下正确的SQL语句是（）A、Grant drop any table to user1B、Grant drop any table to user1 with admin optionC、Grant drop table to user1D、Grant drop any table to user1 with check potion
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At the request of a user， you issue the following command to restore a dropped table： flashback table "BIN$F2JFfMq8Q5unbC0ceE9eJg==$0" to before drop； Later， the user notifies you that the data in the table seems to be very old and out of date. What might be the problem？（） A、 Because a proper range of SCNs was not specified， the wrong data was restored.B、 A proper range of timestamps was not specified， so the wrong data was restored.C、 A previous Flashback Drop operation had been performed， resulting in multiple versions of the table being stored in the Recycle Bin.D、 Either option A or B could be correct. Not enough information was provided to determine which.E、 None of the above.
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You just issued the following statement: ALTER TABLE SALES DROP COLUMN PROFIT. Which of the following choices identifies when the column will actually be removed from Oracle?（）A、Immediately following statement execution B、After the ALTER TABLE DROP UNUSED COLUMNS command is issued C、After the ALTER TABLE SET UNUSED COLUMN command is issued D、After the ALTER TABLE MODIFY command is issued
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You issued the following command： SQL DROP TABLE MYTABLE； SQL SHOW RECYCLEBIN The following output is returned： ORIGINAL NAME RECYCLEBIN NAME OBJECT TYPE DROP TIME ------------- ------------------------------ --------------- -------------------- MYTABLE BIN$04LhcpndanfgMAAAAAANPw==$0 TABLE 2005-01-13：20：11：31 You want to drop the table， MYTABLE， from the Recycle Bin. Which two commands can you issue to accomplish the desired task？（）A、 DROP TABLE MYTABLE PURGE；B、 PURGE RECYCLEBIN；C、 PURGE TABLE MYTABLE；D、 PURGE TABLE BIN$04LhcpndanfgMAAAAAANPw==$0；
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You issued the following command to drop the PRODUCTS table: SQL DROP TABLE products; What is the implication of this command?（）A、All data along with the table structure is deleted B、The pending transaction in the session is committed C、All indexes on the table will remain but they are invalidated D、All views and synonyms will remain but they are invalidated E、All data in the table are deleted but the table structure will remain
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Examine the following commands executed in your database： SQL ALTER SESSION RECYCLEBIN=ON； Session altered SQL CREATE TABLE emp TABLESPACE tbsfd AS SELECT * FROM hr.employees； Table created. Further， you executed the following command to drop the table： SQL DROP TABLE emp；Table dropped. What happens in this scenario？（）A、The table is moved to the SYSAUX tablespace.B、The table is moved to the SYSTEM tablespace.C、The table is removed from the database permanently.D、The table is renamed and remains in the TBSFD tablespace.
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User A executes the following command to drop a large table in your database：SQL DROP TABLE trans； While the drop table operation is in progress， user B executes the following command on the same table：SQL DELETE FROM trans WHERE tr_type=’SL’； Which statement is true regarding the DELETE command（）A、It fails to delete the records because the records are locked in SHARE mode.B、It deletes the rows successfully because the table is locked in SHARE modeC、It fails to delete the records because the table is locked in EXCLUSIVE mode.D、It deletes the rows successfully because the table is locked in SHARE ROW EXCLUSIVE mode.
考题
多选题You executed the following command to drop a user: DROP USER scott CASCADE; Which two statements regarding the above command are correct?（）AAll the objects of scott are moved to the Recycle Bin.BAny objects in the Recycle Bin belonging to scott are purged.CAll the objects owned by scott are permanently dropped from the database.DAll the objects of scott in the Recycle Bin must be purged before executing the DROP command.EAny objects in the Recycle Bin belonging to scott will not be affected by the above DROP command.
考题
单选题View the Exhibit and examine the parameters. User A executes the following command to update the TRANS table： SQL UPDATE B.trans SET tr_amt=tr_amt+500 WHERE c_code=’C005’； Before user A issues a COMMIT or ROLLBACK command， user B executes the following command onthe TRANS table： SQL ALTER TABLE trans MODIFY （tr_type VARCHAR2（3））； What would happen in this scenario（）A
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The DDL operation gets higher priority and transaction for user a is rolled back.C
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考题
单选题At the request of a user， you issue the following command to restore a dropped table： flashback table "BIN$F2JFfMq8Q5unbC0ceE9eJg==$0" to before drop； Later， the user notifies you that the data in the table seems to be very old and out of date. What might be the problem？（）A
Because a proper range of SCNs was not specified， the wrong data was restored.B
A proper range of timestamps was not specified， so the wrong data was restored.C
A previous Flashback Drop operation had been performed， resulting in multiple versions of the table being stored in the Recycle Bin.D
Either option A or B could be correct. Not enough information was provided to determine which.E
None of the above.
考题
单选题View the Exhibit and examine the parameters. User A executes the following command to update the TRANStable： SQL UPDATE B.trans SET tr_amt=tr_amt+500 WHERE c_code=’C005’； Before user A issues a COMMIT orROLLBACK command， user B executes the following command on the TRANS table： SQL ALTER TABLE trans MODIFY （tr_type VARCHAR2（3））； What would happen in this scenario（）A
The ALTER TABLE command modifies the column successfully.B
The DDL operation gets higher priority and transaction for user A is rolled back.C
The ALTER TABLE command waits indefinitely until user A ends the transaction.D
The ALTER TABLE command fails after waiting for 60 seconds due to the resource being busy
考题
多选题You issued the following command： SQL DROP TABLE MYTABLE； SQL SHOW RECYCLEBIN The following output is returned： ORIGINAL NAME RECYCLEBIN NAME OBJECT TYPE DROP TIME ------------- ------------------------------ --------------- -------------------- MYTABLE BIN$04LhcpndanfgMAAAAAANPw==$0 TABLE 2005-01-13：20：11：31 You want to drop the table， MYTABLE， from the Recycle Bin. Which two commands can you issue to accomplish the desired task？（）ADROP TABLE MYTABLE PURGE；BPURGE RECYCLEBIN；CPURGE TABLE MYTABLE；DPURGE TABLE BIN$04LhcpndanfgMAAAAAANPw==$0；
考题
单选题You execute the following command toauditdatabase activities： SQLAUDITDROP ANY TABLE BY scott BY SESSION WHENEVER SUCCESSFUL； What is the effect of this command（）A
Oneauditrecord is created for every successful DROP TABLE command executed in the session ofSCOTT.B
Oneauditrecord is generated for the session when SCOTT grants the DROP ANY TABLE privilege toother users.C
One audit record is created for the whole session if user SCOTT successfully drops one or more tablesin his session.D
One audit record is created for every session of any other user in which a table owned by SCOTT isdropped successfully.E
One audit record is created for every successful DROP TABLE command executed by any user to droptables owned by SCOTT.
考题
单选题You execute the following set of commands to create a database user and to grant the system privileges in your production environment. SQL CREATE USER user01 IDENTIFIED BY oracle DEFAULT TABLESPACE tbs1 TEMPORARY TABLESPACE temp PROFILE default / SQL GRANT create session， create table TO user01； While executing the command to create a table， the user gets the following error message and the CREATE TABLE.. command fails. ERROR at line 1： ORA-01950： no privileges on tablespace What could be the possible reason for this error message？（）A
The tablespace TBS1 is full.B
The user is not the owner of the SYSTEM tablespace.C
The user does not have quota on the TBS1 tablespace.D
The user does not have sufficient system privileges to create table in the TBS1 tablespace.E
The user does not have sufficient privileges to create table on the default permanent tablespace.
考题
单选题You execute the following command to audit the database activities： SQL AUDIT DROP ANY TABLE BY scott BY SESSION WHENEVER SUCCESSFUL; What is the effect of this command？（）A
One audit record is created for the whole session if user SCOTT successfully drops one or more tables in his session.B
One audit record is created for every session when any user successfully drops a table owned by SCOTT.C
One audit record is created for each successful DROP TABLE command executed by any user to drop tables owned by SCOTT.D
One audit record is generated for the session when SCOTT grants the DROP ANY TABLE privilege to other users in his session.E
One audit record is created for each successful DROP TABLE command executed in the session of SCOTT.
考题
单选题User A executes the following command to drop a large table in your database：SQL DROP TABLE trans； While the drop table operation is in progress， user B executes the following command on the same table：SQL DELETE FROM trans WHERE tr_type=’SL’； Which statement is true regarding the DELETE command（）A
It fails to delete the records because the records are locked in SHARE mode.B
It deletes the rows successfully because the table is locked in SHARE modeC
It fails to delete the records because the table is locked in EXCLUSIVE mode.D
It deletes the rows successfully because the table is locked in SHARE ROW EXCLUSIVE mode.
考题
多选题You issued the following command to drop the PRODUCTS table: SQL DROP TABLE products; What is the implication of this command?（）AAll data along with the table structure is deletedBThe pending transaction in the session is committedCAll indexes on the table will remain but they are invalidatedDAll views and synonyms will remain but they are invalidatedEAll data in the table are deleted but the table structure will remain
考题
单选题You execute the following command in your Certkiller .com production database to change the width of the CUST_NAME column of the CUSTOMERS table： ALTER TABLE customers MODIFY （cust_nameVARCHAR2 （40）） / When you execute the command， it displays the following error message： ERROR at line 1： ORA-00054： resource busy and acquire with NOWAIT specified What could be the reason for the error message？（）A
The database instance is not available.B
The ALTER TABLE command does not have WAIT optionC
The table or a row in the table is currently locked by another user session.D
The database instance is busy processing other user sessions commands.E
The CUSTOMERS table has no long running query active at the time when this request is made.F
The server process executing the ALTER TABLE command is busy with another command execution
考题
单选题Examine the following commands executed in your database： SQL ALTER SESSION RECYCLEBIN=ON； Session altered SQL CREATE TABLE emp TABLESPACE tbsfd AS SELECT * FROM hr.employees； Table created. Further， you executed the following command to drop the table： SQL DROP TABLE emp；Table dropped. What happens in this scenario？（）A
The table is moved to the SYSAUX tablespace.B
The table is moved to the SYSTEM tablespace.C
The table is removed from the database permanently.D
The table is renamed and remains in the TBSFD tablespace.
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 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
单选题The user SCOTT executes the following command successfully to increase the salary values in one of his sessions： SQL UPDATE emp SET sal=sal*1.15 WHERE deptno=20; Before SCOTT ends the transaction， user HR who has the privileges on EMP table executes a query to fetch the salary details but finds the old salary values instead of the increased values. Why does HR still see the old data？（）A
because of redo data from redo log fileB
because of data from database buffer cacheC
because of data from a temporary tablespaceD
because of undo data from the undo tablespace
考题
单选题User A executes the following command to update the TRANS table） SQL UPDATE B.trans SET tr_amt=tr_amt+500 WHERE c_code=’C005’； Before user A issues a COMMIT or ROLLBACK command， user B executes the following command on the TRANS table： SQl ALTER TABLE trans MODIFY （tr_type VARCHAR2 （3））； What would happen in this scenario？（）A
The transaction for user A is rolled back.B
The ALTER TABLE command modifies the column successfully.C
The ALTER TABLE command fails due to the resource being busy.D
The ALTER TABLE command waits until user A ends the transaction.
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