Oracle 1z1-071トレーニング資料 & 1z1-071資格模擬

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Oracle 1z1-071 Exam Syllabus Topics:

Section	Objectives
Data Manipulation and Schema Objects	- DML operations 1. INSERT, UPDATE, DELETE, MERGE - DDL operations 1. CREATE, ALTER, DROP tables and constraints
SQL Retrieval	- Joins and set operations 1. INNER, OUTER, CROSS joins 2. UNION, INTERSECT, MINUS - SELECT statements and filtering data 1. ORDER BY and row limiting 2. WHERE clause and conditions
SQL Functions	- Conversion and conditional functions 1. TO_CHAR, TO_NUMBER, CASE expressions - Single-row functions 1. Character, numeric, date functions
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

>> Oracle 1z1-071トレーニング資料 <<

1z1-071資格模擬 & 1z1-071受験料

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Oracle Database SQL 認定 1z1-071 試験問題 (Q140-Q145):

質問 # 140
Evaluate the following statement.

Which statement is true regarding the evaluation of rows returned by the subquery in the INSERT statement?

A. Each row is evaluated by the first WHEN clause and if the condition is false then the row would be evaluated by the subsequent when clauses.
B. The INSERT statement will return an error because the ELSE clause is missing.
C. All rows are evaluated by all the three WHEN clauses.
D. Each row is evaluated by the first WHEN clause and if the condition is true, then the row would be evaluated by the subsequent when clauses.

正解：C

質問 # 141
Which two are true about transactions in the Oracle Database?

A. DDL statements automatically commit only data dictionary updates caused by executing the DDL.
B. A DDL statement issued by a session with an uncommitted transaction automatically Commits that transaction.
C. A session can see uncommitted updates made by the same user in a different session.
D. DML statements always start new transactions.
E. An uncommitted transaction is automatically committed when the user exits SQL*Plus.

正解：B、E

解説：
This question appears to be a duplicate of question no. 269, and the correct answers provided there apply here as well.
B . True. A DDL statement automatically commits any outstanding uncommitted transaction in the session. E. True. Exiting SQL*Plus without explicitly committing a transaction will cause the uncommitted transaction to be rolled back, not committed.
A, C, and D are incorrect for the same reasons provided in the explanation for question no. 269.

質問 # 142
Evaluate the following query:

Which is the correct output of the above query?

A. +25-00,+00-650,+00 11:12:10.123457
B. +25-00, +54-02, +00 11:12:10.123457
C. +00-300,+00-650,+00 11:12:10.123457
D. +00-300, +54-02,+00 11:12:10.123457

正解：B

質問 # 143
Examine the structure of the EMPLOYEES table. (Choose two.)

You must display the maximum and minimum salaries of employees hired 1 year ago.
Which two statements would provide the correct output?

A. SELECT minsal, maxsalFROM (SELECT MIN(salary) minsal, MAX(salary) maxsal FROM employeesWHERE hire_date < SYSDATE-365)GROUP BY maxsal, minsal;
B. SELECT MIN(Salary), MAX(salary)FROM (SELECT salary FROM employeesWHERE hire_date < SYSDATE-365);
C. SELECT minsal, maxsalFROM (SELECT MIN(salary) minsal, MAX(salary) maxsal FROM employeesWHERE hire_date < SYSDATE-365GROUP BY MIN(salary), MAX(salary);
D. SELECT MIN(Salary) minsal, MAX(salary) maxsalFROM employeesWHERE hire_date < SYSDATE-365GROUP BY MIN(salary), MAX(salary);

正解：A、B

質問 # 144
View the exhibit and examine the structure of the STORES table.

You must display the NAME of stores along with the ADDRESS, START_DATE, PROPERTY_PRICE, and the projected property price, which is 115% of property price.
The stores displayed must have START_DATE in the range of 36 months starting from 01-Jan-2000 and above.
Which SQL statement would get the desired output?

A. SELECT name, concat(address||', '||city||', ', country) AS full_address, start_date,property_price, property_price*115/100FROM storesWHERE MONTHS_BETWEEN(start_date,TO_DATE('01-JAN-2000','DD-MON-RRRR')) <=36;
B. SELECT name, address||', '||city||', '||country AS full_address, start_date,property_price, property_price*115/100FROM storesWHERE MONTHS_BETWEEN(start_date,TO_DATE('01-JAN-2000','DD-MON-RRRR')) <=36;
C. SELECT name, concat(address||', '||city||', ',country) AS full_address, start_date, property_price, property_price*115/100FROM storesWHERE MONTHS_BETWEEN(start_date,'01-JAN-2000') <=36;
D. SELECT name, concat(address||', '||city||', ',country) AS full_address, start_date,property_price, property_price*115/100FROM storesWHERE TO_NUMBER(start_date-TO_DATE('01-JAN-2000','DD-MON-RRRR')) <=36;

正解：A

質問 # 145
......

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