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（）

单项选择题The HR user creates a stand-alone procedure as follows and grants the EXECUTE privilege on theprocedure to many database users：  CREATE OR REPLACE PROCEDURE create_dept （ v_deptno NUMBER， v_dname VARCHAR2， v_mgr NUMBER， 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  DEPARTMENTStable even though they do not have the INSERT privilege on the table. You want only those users whohave privileges on the DEPARTMENTS table to be able to execute the procedure successfully.  What would you suggest 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 to selected users

单项选择题You made changes to the COMPUTE_TAX function inside the EMP_ADMIN package body.  Whichstatement is true after you recompile the EMP_ADMIN package body（）

A.The USE_P procedure remains valid.
B.The USE_P procedure becomes invalid.
C.The SHOW_DETAIL procedure becomes invalid.
D.The EMP_ADMIN package specification becomes invalid and needs to be recompiled

多项选择题User SCOTT wants to perform a bulk insert operation in the EMP_DEP table. SCOTT receives thefollowing error 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 either of 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

单项选择题The TRANS_SUMMARY table contains product-wise transaction details that get updated with everytransaction in the system. Each row has cumulative transaction details of a single product and everyproduct is identified by a product code， which is the primary key.  As part of the archival process， the company wants to transfer the rows in the TRANS_SUMMARY tableto the TRANS_SUMMARY_DUP table at the end of every quarter of the year. Along with existing products，the company deals with many new products during every quarter.  Which method is best suited for this quarterly data transfer（）

A.using the MERGE command
B.using the SQL*Loader utility
C.using the correlated UPDATE command
D.using the INSERT command to perform bulk operation

单项选择题All the database users are presently connected to the database instance and working. The HR userhas opened three database sessions and executed the following command in one of his sessions： SQL> UPDATE persons SET ccode=’U031’ WHERE ccode=’U029’； 123 rows updated.  SQL> DELETE FROM persons WHERE exp=’Y’； 3 rows deleted.  The SYS user opens a new session after HR executed the above commands.  Which sessions can seethe effect of the UPDATE and DELETE commands （）

A.all sessions of the HR user only
B.all sessions of the HR user and the SYS user
C.the session of the HR user that executed the commands
D.all the sessions for which the database users have access privilege to the PERSONS table