ハイパスレートの1z1-071トレーニング資料 &合格スムーズ1z1-071関連日本語内容 |高品質な1z1-071対応資料

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Oracle 1z1-071 Exam Syllabus Topics:

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

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Oracle 1z1-071トレーニング資料 | 素晴らしい合格率の1z1-071: Oracle Database SQL | 1z1-071関連日本語内容

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Oracle Database SQL 認定 1z1-071 試験問題 (Q121-Q126):

質問 # 121
View the Exhibit and examine the data in the PRODUCTS table.

You must display product names from the PRODUCTS table that belong to the 'Software/other' category with minimum prices as either $2000 or $4000 and with no unit of measure.
You issue this query:

Which statement is true?

A. It generates an error because the condition specified for PROD_UNIT_OF_MEASURE is not valid.
B. It generates an error because the condition specified for the PROD_CATEGORY column is not valid.
C. It executes successfully and returns the required result.
D. It executes successfully but returns no result.

正解：D

質問 # 122
Examine this description of the PRODUCTStable:

Rows exist in this table with data in all the columns. You put the PRODUCTStable in read-only mode.
Which three commands execute successfully on PRODUCTS? (Choose three.)
DROP TABLE products;

A. ALTER TABLE products DROP UNUSED COLUMNS;
B.
C. ALTER TABLE products DROP COLUMN expiry_date;
D. TRUNCATE TABLE products;
E. CREATE INDEX price_idx ON products (price);
F. ALTER TABLE products SET UNUSED (expiry_date);

正解：C、D、E

質問 # 123
Examine the structure of the BOOKS_TRANSACTIONS table:
You want to display the member IDs, due date, and late fee as $2 for all transactions.
Which SQL statement must you execute?

A. SELECT member_id 'MEMBER ID', due_date 'DUE DATE', '$2 AS LATE FEE' FROM BOOKS_TRANSACTIONS;
B. SELECT member_id AS "MEMBER ID", due_date AS "DUE DATE", $2 AS "LATE FEE" FROM BOOKS_TRANSACTIONS
C. SELECT member_id AS MEMBER_ID, due_date AS DUE_DATE, $2 AS LATE_FEE
FROM BOOKS_TRANSACTIONS
D. SELECT member_id AS "MEMBER ID", due_date AS "DUE DATE", '$2' AS "LATE FEE" FROM BOOKS_TRANSACTIONS

正解：D

質問 # 124
Which two are true about savepoints?

A. After issuing a savepoint, you can roll back to the savepoint name within the current transaction.
B. They make uncommitted updates visible to sessions owned by other users.
C. After issuing a savepoint, you cannot roll back the complete transaction.
D. You can commit updates done between two savepoints without committing other updates In the current transaction.
E. They make uncommitted updates visible to other sessions owned by the? same user.
F. A rollback to savepoint command issued before the start of a transaction results In an error.

正解：A、E

質問 # 125
Which three statements are true about performing Data Manipulation Language (DML) operations on a view In an Oracle Database?

A. Views cannot be used to query rows from an underlying table if the table has a PRIPOARY KEY and the PRIMARY KEY columns are not referenced in the defining query of the view.
B. The WITH CHECK clause has no effect when deleting rows from the underlying table through the view.
C. Views cannot be used to add rows to an underlying table if the table has columns with NOT NULL constraints lacking default values which are not referenced in the defining query of the view.
D. Insert statements can always be done on a table through a view.
E. Views cannot be used to add or modify rows in an underlying table if the defining query of the view contains the DISTINCT keyword.
F. Views cannot be used to add on modify rows in an underlying table if the defining query of the view contains aggregating functions.

正解：C、E、F

質問 # 126
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