How should read, write and execute permissions for ‘group’ and ‘other’ be granted to all files and directories within the /app filesystem?()
You execute the following command in your Supportcenter.cn 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?()
You have created a resource plan, DAY. You execute the following code: SQL> BEGIN DBMS_RESOURCE_MANAGER.CREATE_SIMPLE_DIRECTIVE ( PLAN => ’DAY’, COMMENT => ’DEPARTMENTS PLAN’, GROUP_OR_SUBPLAN => ’DEPARTMENTS’, CPU_P1=0); END; Then, you issue the following code: SQL> BEGIN DBMS_RESOURCE_MANAGER.CREATE_SIMPLE_DIRECTIVE ( PLAN => ’DAY’, COMMENT => ’DEPARTMENTS PLAN’, GROUP_OR_SUBPLAN => ’DEVELOPERS’, CPU_P2=100); END; What will be the impact of executing the above code?()
You have an SQL query that takes one minute to execute. You use the following code segment to execute the SQL 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?()
You are creating a new JSP page and you need to execute some code that acts when the page is firstexecuted, but only once. Which three are possible mechanisms for performing this initialization code?()
You execute the following command to audit database activities: SQL> AUDIT DROP ANY TABLE BY scott BY SESSION WHENEVER SUCCESSFUL; What is the effect of this command()
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?()
When you execute the "ip helper-address" command on a router, which three UDP ports getenabled automatically by default?()
Application A is designed to execute the following SQL statements within a single Unit of Work (UOW). UPDATE employee SET salary = salary * 1.1 WHERE empno='000010' UPDATE department SET deptname = 'NEW dept' WHERE deptno='A00'Application B is designed to execute the following SQL statements within a single Unit of Work (UOW). UPDATE department SET deptname = 'OLD DEPT' WHERE deptno='A00' UPDATE employee SET salary = salary * 0.5 WHERE empno='000010' Application A and application B execute their first SQL statement at the same time. When application A and application B try to execute their second SQL statement, a deadlock occurs. What will happen?()
An administrator receives an error when attempting to execute a WebSphere Commerce command and decides to take the following steps to troubleshoot the problem: Check to see if the request was processed by the WebSphere plug-in but was never received by the WebSphere Application Server Check for Java errors from EJBs and servlets Trace WebSphere Commerce Server subsystems and commands Which of the following files should the administrator check to accomplish these steps?()