1z1-071 無料問題集「Oracle Database SQL」

Which two statements will return the names of the three employees with the lowest salaries?

解説: (JPNTest メンバーにのみ表示されます)
Which three statements are true about views in an Oracle database?

正解:C、D、G 解答を投票する
解説: (JPNTest メンバーにのみ表示されます)
Which three are true about multiple INSERT statements?

正解:B、D、E 解答を投票する
解説: (JPNTest メンバーにのみ表示されます)
Which two statements are true?

正解:B、C 解答を投票する
解説: (JPNTest メンバーにのみ表示されます)
Which two are true about the data dictionary?

正解:C、D 解答を投票する
解説: (JPNTest メンバーにのみ表示されます)
Which two statements are true about a self join?

正解:A、C 解答を投票する
解説: (JPNTest メンバーにのみ表示されます)
Examine this SQL statement:
SELECT cust_id, cus_last_name "Last Name"
FROM customers
WHERE country_id = 10
UNION
SELECT cust_id CUST_NO, cust_last_name
FROM customers
WHERE country_id = 30
Identify three ORDER BY clauses, any one of which can complete the query successfully.

正解:C、E 解答を投票する
解説: (JPNTest メンバーにのみ表示されます)
Examine the description of the ORDER_ITEMS table:

Examine this incomplete query:
SELECT DISTINCT quantity * unit_price total_paid FROM order_items ORDER BY <clause>; Which two can replace <clause> so the query completes successfully?

正解:C、D 解答を投票する
解説: (JPNTest メンバーにのみ表示されます)
Examine the description of EMPLOYEES table:
Which three queries return all rows for which SALARY+COMMISSION is greate than 20000?

正解:A、B、C 解答を投票する
解説: (JPNTest メンバーにのみ表示されます)
Which three actions can you perform on an existing table containing date?

正解:A、B、C 解答を投票する
解説: (JPNTest メンバーにのみ表示されます)
Which three queries execute successfully?

正解:B、C、E 解答を投票する
解説: (JPNTest メンバーにのみ表示されます)
Examine the description of the EMPLOYEES table:

Which statement will execute successfully, returning distinct employees with non-null first names?

Examine the description of the EMPLOYEES table:

Which query is valid?

解説: (JPNTest メンバーにのみ表示されます)
Examine this SQL statement:
SELECT cust_id, cust_last_name "Last Name
FROM customers
WHERE countryid=10
UNION
SELECT custid CUSTNO, cust_last_name
FROM customers
WHERE countryid=30
Identify three ORDER BY clauses, any one of which can complete the query successfully.

正解:C、D、E 解答を投票する
解説: (JPNTest メンバーにのみ表示されます)
Which three statements are true about GLOBAL TEMPORARY TABLES?

正解:A、E、F 解答を投票する
解説: (JPNTest メンバーにのみ表示されます)
Examine the description of the CUSTOMERS table:

Which two SELECT statements will return these results:
CUSTOMER_ NAME
--------------------
Mandy
Mary

正解:A、F 解答を投票する
解説: (JPNTest メンバーにのみ表示されます)
View the Exhibits and examine the structure of the COSTS and PROMOTIONS tables.
You want to display PROD IDS whose promotion cost is less than the highest cost PROD ID in a pro motion time interval.
Examine this SQL statement:
SELECT prod id
FROM costs
WHERE promo id IN
(SELECT promo id
FROM promotions
WHERE promo_cost < ALL
(SELECT MAX (promo cost)
FROM promotions
GROUP BY (promo_end date-promo_begin_date)) );
What will be the result?

解説: (JPNTest メンバーにのみ表示されます)

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