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Oracle Database SQL Sample Questions (Q226-Q231):

NEW QUESTION # 226
Examine the description of the transactions table:

Which two SQL statements execute successfully?

A. SELECT customer_id AS 'CUSTOMER-ID',transaction_date AS DATE, amount+100 'DUES' from transactions;
B. SELECT customer id AS CUSTOMER-ID, transaction_date AS TRANS_DATE, amount+100 "DUES AMOUNT" FROM transactions;
C. SELECT customer_id AS "CUSTOMER-ID", transaction_date AS "DATE", amount+100 DUES FROM transactions;
D. SELECT customer_id AS "CUSTOMER-ID", transaction_date AS DATE, amount+100 "DUES" from transactions;
E. SELECT customer_id CUSTID, transaction_date TRANS_DATE,amount+100 DUES FROM transactions;

Answer: C,E

NEW QUESTION # 227
View the Exhibit and examine the description of the ORDERS table. (Choose two.)

Which two WHERE clause conditions demonstrate the correct usage of conversion functions?

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_IN ( TO_DATE('OCT 21 2003', 'MON DD YYYY'), TO_CHAR('NOV 21 2003',
'MON DD YYYY') )
D. WHERE Order_date > TO_CHAR(ADD_MONTHS(SYSDATE, 6), 'MON DD YYYY')

Answer: A,B

NEW QUESTION # 228
Examine the description of the PROMTIONS table:

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

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

Answer: D,E

Explanation:
To display unique promotion costs in each promotion category, the correct queries that can be used are:
* C. SELECT DISTINCT promo_category ||' has '|| promo_cost AS COSTS FROM promotions ORDER BY 1;This query concatenates the promo_category with the literal ' has ' and promo_cost, giving a unique string for each combination of promo_category and promo_cost, which is what we are interested in when we want to list unique costs per category.
* D. SELECT DISTINCT promo_category, promo_cost FROM promotions ORDER BY 1;This query selects distinct combinations of promo_category and promo_cost, which is exactly what's required to display unique promotion costs in each category.
Options A, B, and E are incorrect:
* A is incorrect because it does not use the DISTINCT keyword to ensure uniqueness.
* B has incorrect syntax; the DISTINCT keyword should appear directly after SELECT and applies to all columns, not just one.
* E is syntactically incorrect and would not execute because the DISTINCT keyword is not used correctly.
It should not appear twice in the SELECT clause.

NEW QUESTION # 229
Which is the default column or columns for sorting output from compound queries using SET operators such as INTERSECT in a SQL statement?

A. The first column in the last SELECT of the compound query
B. The first NUMBER or VARCHAR2 column in the last SELECTof the compound query
C. The first column in the first SELECT of the compound query
D. The first NUMBER column in the first SELECT of the compound query
E. The first VARCHAR2 column in the first SELECT of the compound query

Answer: C

Explanation:
For the sorting of output in compound queries (INTERSECT, UNION, etc.):
* D. The first column in the first SELECT of the compound query: By default, Oracle does not automatically sort the results of SET operations unless an ORDER BY clause is explicitly stated.
However, if an ORDER BY is implied or specified without explicit columns, the default sorting would logically involve the first column specified in the first SELECT statement of the compound query.

NEW QUESTION # 230
Examine this statement:

Which two things must be changed for it to execute successfully?

A. The word CONSTRAINT in the foreign key constraint on DEPT_ID must be changed to FOREIGN KEY.
B. The primary key constraint on BMP_ID must have a name.
C. The NOT NULL constraint on ENAME must be defined at the column level instead of the table level.
D. One of the LONG columns must be changed to a VARCHAR2 or CLOB.
E. The foreign key constraint on DEPT_ID must be defined at the table level instead of the column level.

Answer: C,D

NEW QUESTION # 231
......

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2025 Oracle Efficient New 1z1-071 Exam Test

Oracle 1z1-071 Certification Exam Infor | 1z1-071 Test Guide Online

Oracle Database SQL Sample Questions (Q226-Q231):

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