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1Z0-071トレーニング - Oracle Database SQL日本語版参考書 - Royalholidayclubbed
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Oracle PL/SQL Developer Certified Associate 1z0-071トレーニング - Oracle Database SQL 躊躇わなくて、Royalholidayclubbedサイト情報を早く了解して、あなたに試験合格を助かってあげますようにお願いいたします。 Royalholidayclubbed を選択して１００％の合格率を確保することができて、もし試験に失敗したら、Royalholidayclubbedが全額で返金いたします。
多くのお客様は私たちOracle 1z0-071トレーニングクイズに十分な信頼を持っています。Oracle 1z0-071トレーニング試験問題のデモを無料でダウンロードできます。そうすれば、自分は1z0-071トレーニング試験問題集を買うかどうか決めることができます。
Oracle 1z0-071トレーニング - Royalholidayclubbedを選んだら、成功への扉を開きます。
Royalholidayclubbedは異なるトレーニングツールと資源を提供してあなたのOracleの1z0-071トレーニングの認証試験の準備にヘルプを差し上げます。編成チュートリアルは授業コース、実践検定、試験エンジンと一部の無料なPDFダウンロードを含めています。
それに、Royalholidayclubbedの教材を購入すれば、Royalholidayclubbedは一年間の無料アップデート・サービスを提供してあげます。問題が更新される限り、Royalholidayclubbedは直ちに最新版の1z0-071トレーニング資料を送ってあげます。
1z0-071 PDF DEMO:
QUESTION NO: 1
View the Exhibit and examine the structure of the CUSTOMERS table.
Evaluate the following SQL statement:
Which statement is true regarding the outcome of the above query?
A. It returns an error because WHERE and HAVING clauses cannot be used in the same SELECT statement.
B. It returns an error because the BETWEEN operator cannot be used in the HAVING clause.
C. It returns an error because WHERE and HAVING clauses cannot be used to apply conditions on the same column.
D. It executes successfully.
Answer: D
QUESTION NO: 2
View the exhibit and examine the structure of the SALES, CUSTOMERS, PRODUCTS and TIMES tables.
The PROD_ID column is the foreign key in the SALES table referencing the PRODUCTS table.
The CUST_ID and TIME_ID columns are also foreign keys in the SALES table referencing the
CUSTOMERS and TIMES tables, respectively.
Examine this command:
CREATE TABLE new_sales (prod_id, cust_id, order_date DEFAULT SYSDATE)
AS
SELECT prod_id, cust_id, time_id
FROM sales;
Which statement is true?
A. The NEW_SALES table would not get created because the DEFAULT value cannot be specified in the column definition.
B. The NEW_SALES table would not get created because the column names in the CREATE TABLE command and the SELECT clause do not match.
C. The NEW_SALES table would get created and all the NOT NULL constraints defined on the selected columns from the SALES table would be created on the corresponding columns in the NEW_SALES table.
D. The NEW_SALES table would get created and all the FOREIGN KEY constraints defined on the selected columns from the SALES table would be created on the corresponding columns in the
NEW_SALES table.
Answer: C
QUESTION NO: 3
Examine the structure of the EMPLOYEES table:
There is a parent/child relationship between EMPLOYEE_ID and MANAGER_ID.
You want to display the name, joining date, and manager for all employees. Newly hired employees are yet to be assigned a department or a manager. For them, 'No Manager' should be displayed in the MANAGER column.
Which SQL query gets the required output?
A. SELECT e.last_name, e.hire_date, NVL(m.last_name, 'No Manager') ManagerFROM employees e
RIGHT OUTER JOIN employees mON (e.manager_id = m.employee_id);
B. SELECT e.last_name, e.hire_date, NVL(m.last_name, 'No Manager') ManagerFROM employees e
JOIN employees mON (e.manager_id = m.employee_id);
C. SELECT e.last_name, e.hire_date, NVL(m.last_name, 'No Manager') ManagerFROM employees e
NATURAL JOIN employees mON (e.manager_id = m.employee_id).
D. SELECT e.last_name, e.hire_date, NVL(m.last_name, 'No Manager') ManagerFROM employees e
LEFT OUTER JOIN employees mON (e.manager_id = m.employee_id);
Answer: D
QUESTION NO: 4
The user SCOTT who is the owner of ORDERS and ORDER_ITEMS tables issues this GRANT command:
GRANT ALL
ON orders, order_items
TO PUBLIC;
What must be done to fix the statement?
A. Separate GRANT statements are required for the ORDERS and ORDER_ITEMS tables.
B. PUBLIC should be replaced with specific usernames.
C. ALL should be replaced with a list of specific privileges.
D. WITH GRANT OPTION should be added to the statement.
Answer: A
Explanation:
http://docs.oracle.com/javadb/10.8.3.0/ref/rrefsqljgrant.html
QUESTION NO: 5
Examine this SQL statement:
Which two are true?
A. The subquery is not a correlated subquery
B. The subquery is executed before the UPDATE statement is executed
C. The UPDATE statement executes successfully even if the subquery selects multiple rows
D. The subquery is executed for every updated row in the ORDERS table
E. All existing rows in the ORDERS table are updated
Answer: D,E
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Updated: May 28, 2022
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