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Question 86

In one of your databases, the user HR has the password HRMGR.
You want to connect to a database instance whose listener listens on port 1531 by using this statement:
CONNECT HR/HRMGR@orcl
No name server is used.
Which statement is true about ORCL?

A.It must be the name of the server running the database to whose instance HR wishes to connect
B.It must be the name of the database to whose instance HR wishes to connect
C.It must resolve to a valid connect descriptor in the client's tnsnames.ora file
D.It must resolve to a valid connect descriptor in the server's tnsnames.ora file
E.It must be the value of the SERVICE_NAMES parameter on the client side

Question 87

Which three statements are true about the Oracle join and ANSI join syntax? (Choose three.)

A.The SQL:1999 compliant ANSI join syntax supports creation of a Cartesian product of two tables
B.The SQL:1999 compliant ANSI join syntax supports natural joins
C.The Oracle join syntax performs better than the SQL:1999 compliant ANSI join syntax
D.The Oracle join syntax supports natural joins
E.The Oracle join syntax supports creation of a Cartesian product of two tables
F.The Oracle join syntax performs less well than the SQL:1999 compliant ANSI join syntax
G.The Oracle join syntax only supports right outer joins

Question 88

Which two statements are true about space-saving features in an Oracle Database? (Choose two.)

A.If they exist for a session, Private Temporary Tables (PTTs) are always dropped at the next COMMIT OR ROLLBACK statement
B.An index created with the UNUSABLE attribute has no segment
C.An index that is altered to be UNUSABLE will retain its segment
D.A table that is truncated will always have its segment removed
E.Private Temporary Tables (PTTS) store metadata in memory only

Question 89

Examine the description of the PROMOTIONS table:

You want to display the unique promotion costs in each promotion category.
Which two queries can be used? (Choose two.)

A.SELECT DISTINCT promo_category || ` has ` || promo_cost AS COSTS FROM promotions ORDER BY 1;
B.SELECT DISTINCT promo_category, promo_cost FROM promotions ORDER BY 1;
C.SELECT promo_category, DISTINCT promo_cost FROM promotions ORDER BY 2;
D.SELECT promo_cost, promo_category FROM promotions ORDER BY by 1;
E.SELECT DISTINCT promo_cost || ' in ` || DISTINCT promo_category FROM promotions ORDER BY 1;

Question 90

The EMPLOYEES table contains columns EMP_ID of data type NUMBER and HIRE_DATE of data type DATE.
You want to display the date of the first Monday after the completion of six months since hiring.
The NLS_TERRITORY parameter is set to AMERICA in the session and, therefore, Sunday is the first day on the wee.
Which query can be used?

A.SELECT emp_id, NEXT_DAY(MONTHS_BETWEEN(hire_date, SYSDATE), 6) FROM employees;
B.SELECT emp_id, ADD_MONTHS(hire_date, 6), NEXT_DAY('MONDAY') FROM employees;
C.SELECT emp_id, NEXT_DAY(ADD_MONTHS(hire_date, 6), 1) FROM employees;
D.SELECT emp_id, NEXT_DAY(ADD_MONTHS(hire_date, 6), 'MONDAY') FROM employees;