EMPDET is an external table containing the columns EMPNO and ENAME. Which command would work in relation to the EMPDET table?
A. UPDATE empdet SET ename ='Amit' WHERE empno = 1234;
B. DELETE FROM empdet WHERE ename LIKE'J%';
CREATE VIEW empvu AS SELECT * FROM empdet;
D. CREATE INDEX empdet idx ON empdet(empno);
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What does sessions__user in a resource limit set?
A. No. of Concurrent Sessions for the database.
B. No. of Sessions Per User.
C. No. of Processes Per User
D. None of the above
What value sets the no activity time before a user is disconnected?
A. CONNECT-TIME
B. DISCONNECT-TIME
C. IDLE TIME
D. None of the above
Which of the following statements is incorrect when used with ALTER USER usera?
ADD QUOTA 5M
B. IDENTIFIED BY usera
C. DEFAULT TABLESPACE SYSTEM
D. None of the above
Which view consists of information about the resource usage parameters for each profile?
A. DBA_PROFILE
B. DBA_PROFILES
C. DBA_USERS
DBA_RESOURCES
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