1z1-071인증문제인기인증시험

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Oracle 1z1-071 Exam Syllabus Topics:

Section	Objectives
SQL Retrieval	- SELECT statements and filtering data 1. ORDER BY and row limiting 2. WHERE clause and conditions - Joins and set operations 1. UNION, INTERSECT, MINUS 2. INNER, OUTER, CROSS joins
SQL Functions	- Single-row functions 1. Character, numeric, date functions - Conversion and conditional functions 1. TO_CHAR, TO_NUMBER, CASE expressions
Relational Database Concepts	- Tables, rows, columns, and relational model basics - Data types and database objects overview
Subqueries and Advanced SQL	- Correlated subqueries and nested queries - Single-row and multi-row subqueries
Data Manipulation and Schema Objects	- DDL operations 1. CREATE, ALTER, DROP tables and constraints - DML operations 1. INSERT, UPDATE, DELETE, MERGE

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Oracle 1z1-071인기자격증 최신시험 덤프자료 - 1z1-071시험패스보장덤프

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최신 Oracle PL/SQL Developer Certified Associate 1z1-071 무료샘플문제 (Q19-Q24):

질문 # 19
Examine the structure of the PROGRAMS table:

Which two SQL statements would execute successfully?

A. SELECT TO_DATE (NVL (SYSDATE-END_DATE, SYSDATE)) FROM programs;
B. SELECT NVL (TO_CHAR (MONTHS_BETWEEN (start-date, end_date)), 'Ongoing') FROM programs
C. SELECT NVL (MONTHS_BETWEEN (start_date, end_date), 'Ongoing') FROM
programs;
D. SELECT NVL (ADD_MONTHS (END_DATE,1) SYSDATE) FROM programs;

정답：B,D

질문 # 20
Evaluate the following SQL statement:
SQL> select cust_id, cust_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 either one of which can complete the query. (Choose three.)

A. ORDER BY 2, cust_id
B. ORDER BY CUST_NO
C. ORDER BY "CUST_NO"
Using the ORDER BY Clause in Set Operations
-The ORDER BY clause can appear only once at the end of the compound query.
-Component queries cannot have individual ORDER BY clauses.
-The ORDER BY clause recognizes only the columns of the first SELECT query.
-By default, the first column of the first SELECT query is used to sort the output in an ascending order.
D. ORDER BY 2,1
E. ORDER BY "Last name"

정답：A,D,E

질문 # 21
View the Exhibit and examine the details of the PRODUCT_INFORMATIONtable.
Exhibit

You must display PRODUCT_NAME from the table where the CATEGORY_IDcolumn has values 12or 13, and the SUPPLIER_IDcolumn has the value 102088.
You executed this SQL statement:

Which statement is true regarding the execution?

A. It would execute and return the desired result.
B. It would execute but would return no rows.
C. It would not execute because the entire WHEREclause is not enclosed within parentheses.
D. It would not execute because the same column has been used twice with the ANDlogical operator.

정답：B

설명：
Explanation/Reference:

질문 # 22
View the exhibit and examine the structure of the SALES, CUSTOMERS, PRODUCTSand TIMEStables.

The PROD_IDcolumn is the foreign key in the SALEStables, which references the PRODUCTStable.
Similarly, the CUST_IDand TIME_IDcolumns are also foreign keys in the SALEStable referencing the CUSTOMERSand TIMEStables, respectively.
Evaluate the following CREATE TABLEcommand:
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 regarding the above command?

A. The NEW_SALEStable would get created and all the NOTNULLconstraints defined on the specified columns would be passed to the new table.
B. The NEW_SALEStable would not get created because the column names in the CREATETABLE command and the SELECTclause do not match.
C. The NEW_SALEStable would not get created because the DEFAULTvalue cannot be specified in the column definition.
D. The NEW_SALEStable would get created and all the FOREIGNKEYconstraints defined on the specified columns would be passed to the new table.

정답：A

질문 # 23
Examine the description of the BOOKS_TRANSACTIONS table:

Examine this partial SQL statement:
SELECT * FROM books_transactions
Which two WHERE conditions give the same result?

A. WHERE borrowed_date = SYSDATE AND transaction_type = 'RM' AND (member_id = 'A101' OR member_id = 'A102'));
B. WHERE (borrowed_date = SYSDATE AND transaction_type = 'RM') OR member_id IN ('A101','A102');
C. WHERE borrowed_date = SYSDATE AND transaction_type = 'RM' OR member_id IN('A101','A102');
D. WHERE borrowed_date = SYSDATE AND transaction_type = 'RM' AND member_id = 'A101' OR member_id = 'A102');
E. WHERE borrowed_date = SYSDATE AND transaction_type = 'RM' OR member_id IN('A101','A102');

정답：B,E

질문 # 24
......

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