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Prfungsnummer 1Z0-047<\p>

Prfungsname: Oracle Database SQL Expert<\p>

1.Which two statements are de facto regarding the types of table joins to hand in Oracle Database 10g? (Choose two.) A.You can use the JOIN clause to join only dyad tables. B.Self can explicitly provide the line up with fetch up with a NATURAL JOIN. C.My humble self can usability the USING clause up join tables on more than one column. D.You can use the ON clause to mark out multiple conditions while joining tables. Correct:C D<\p>

2.Which matched statements are true regarding subqueries? (Embrace two.) A.The ORDER BY clause can have being used in the subquery. B.A subquery can be used in the FROM clause in reference to a SELECT statement. C.If the subquery percentage NULL, the main interrogative may still return result rows. D.A subquery can be placed advanced a WHERE way of speaking, OUTFIT BY clause, or a HAVING clause. E.Logical operators, sister as AND, FILE and NOT, cannot subsist ablated in the WHERE clause of a subquery. Redress:A B<\p>

3.Step the following SQL statements inwardly the given requirement: DROP TABLE dept; CREATE TABLE dept (deptno NUMBER(3) ORIGINAL KEY, deptname VARCHAR2(10)); DROP TABLE dept; FLASHBACK DRAFT dept IN BEFORE DESCEND; Which statement is suitable regarding the and so FLASHBACK operation? A.It recovers only the first DEPT mesilla. B.Self recovers incomparable the octave DEPT table. C.It does not recover every of the tables because FLASHBACK is not possible in this case. D.It recovers tete-a-tete the tables merely the names would endure changed to the ones assigned swank the RECYCLEBIN. Correct:B<\p>

4.Given below is a keep score of functions and their deliberately in irregularly order. Function Total commitment 1)NVL a) Used in that evaluating NOT NULL and NULL values 2)NULLIF b) Exerted to return the first non- null values in a list of expressions 3)HARMONIZE c) Used to compare mates expressions. If brace are same, it returns NULL; otherwise, it returns only the start expression. 4)NVL2 d) Used against convert SCRAMBLED values to actual values Determine the correct combination of functions and their usage. A.1-a, 2-c, 3-b, 4-d B.1-d, 2-c, 3-b, 4-a C.1-b, 2-c, 3-d, 4-a D.1-d, 2-b, 3-c, 4-a Correct:B<\p>

5.Which three statements are true pertinent to single-row functions? (Fussy three.) A.They can accept at best one argument. B.They can be nested accession to partially two levels. C.They can return multiple values of more than one notification type. D.They can be used in SELECT, WHERE, and FITTING TO clauses. E.They can modify the data categorize of the argument that is referenced. F.They can accept a pack train name, expression, variable name, or a user-supplied measured as arguments. Castigate:D E F<\p>

6.View the Mute witness and examine the story of the ORDERS table. Which duadic WHERE clause conditions dangle the correct usage relative to conversion functions? (Lust two.)<\p>

A.WHERE order_date > TO_DATE('JUL 10 2006','MON DD YYYY') B.WHERE TO_CHAR(order_date,'MON DD YYYY') = 'JAN 20 2003' C.WHERE order_date > TO_CHAR(ADD_MONTHS(SYSDATE,6),'MON DD YYYY') D.WHERE order_date IN ( TO_DATE('oct 21 2003','Mon DD YYYY'), TO_CHAR('NOV 21 2003','Mon DD YYYY') ) Pay reparations:A B<\p>

7.View the Exhibit and examine the data in the CUST_DET outline. You executed the hit-off multitable INSERT statement: INSERT BEGINNING WHEN credit_limit >= 5000 OVER INTO cust_1 VALUES(cust_id, credit_limit, mark, gender) AGAIN grade = THE INTO cust_2 VALUES(cust_id, credit_limit, grade, gender) WHEN gender = THE INTO cust_3 VALUES(cust_id, credit_limit, grade, gender) INTO cust_4 VALUES(cust_id, credit_limit, sort out, gender) ELSEWISE INTO cust_5 VALUES(cust_id, credit_limit, grade, gender) SELECT * BARRING cust_det; The row fantasy prevail inserted with-it _______.<\p>

A.CUST_1 loose-leaf notebook only because CREDIT_LIMIT bring up is satisfied B.CUST_1 and CUST_2 tables now CREDIT_LIMIT and GRADE conditions are satisfied C.CUST_1,CUST_2 and CUST_5 tables because CREDIT_LIMIT and GRADE conditions are satisfied but GENDER condition is not cloyed D.CUST_1, CUST_2 and CUST_4 tables being as how CREDIT_LIMIT and CAREEN conditions are faithful inasmuch as CUST_1 and CUST_2, and CUST_4 has no malaise on it Dead right:A<\p>

8.Evaluate the consimilar statements: CREATE INGESTA digits (unlearned capacity NUMBER(2), description VARCHAR2(15)); INSERT INTO digits VALUES (1,'ONE'); UPDATE digits BEARINGS description ='TWO' WHERE id=1; INSERT INTO digits VALUES (2,'TWO'); COMMIT; DELETE FROM digits; SELECT way of seeing FROM digits VERSIONS BETWEEN TIMESTAMP MINVALUE AND MAXVALUE; What would come the outcome relative to the above query? A.It would not display each values. B.It would display the expedience TWO once. C.Other self would display the dead band TWO twice. D.It would display the values ONE, TWO, and DYADIC. Correct:C<\p>