What are the language, duration, and format of the ORACLE 1Z0-071 Certification Exam?
The language, duration, and format of the ORACLE 1Z0-071 Certification Exam are defined below:
- A number of questions: The total number of questions in exam ORACLE 1Z0-071 is 78. You have to answer all the questions in the given time.
- Language of exam: The language in which exam ORACLE 1Z0-071 is being administered in English.
- Time Duration: The total duration for answering all the questions asked in the ORACLE 1Z0-071 exam is 120 min.
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Oracle 1z0-071 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
|
| Relational Database Concepts | - Tables, rows, columns, and relational model basics - Data types and database objects overview |
| SQL Retrieval | - SELECT statements and filtering data
|
| SQL Functions | - Conversion and conditional functions
|
Oracle Database SQL Sample Questions:
Which three statements are true reading subquenes?
- A. The subquery and main query can retrieve data from different tables.
- B. Multiple columns or expressions can be compared between the subquery and main query.
- C. A subquery can have more than one main query
- D. The subquery and main query must retrieve date from the same table.
- E. Only one column or expression can be compared between the subquery and main query.
- F. A Main query can have many subqueries.
Correct Answer: A,B,F 🗳️
View the Exhibit and examine the description for the PRODUCTS and SALES table.
PROD_ID is a primary key in the PRODUCTS table and foreign key in the SALES table.
You want to remove all the rows from the PRODUCTS table for which no sale was done for the last three years.
Which is the valid DELETE statement?
- A. DELETE FROM products
WHERE prod_id IN (SELECT prod_id FROM sales
WHERE SYSDATE - 3*365 >= time_id); - B. DELETE FROM products
WHERE prod_id = (SELECT prod_id FROM sales
WHERE time_id - 3*365 = SYSDATE ); - C. DELETE FROM products
WHERE prod_id IN (SELECT prod_id FROM sales
WHERE time_id >= SYSDATE - 3*365 ); - D. DELETE FROM products
WHERE prod_id = (SELECT prod_id FROM sales
WHERE SYSDATE >= time_id - 3*365 );
Correct Answer: A 🗳️
Which statement is true regarding external tables?
- A. The data and metadata for an external table are stored outside the database.
- B. ORACLE_LOADER and ORACLE_DATAPUMP have exactly the same functionality when used with an external table.
- C. The CREATE TABLE AS SELECT statement can be used to unload data into regular table in the database from an external table.
- D. The default REJECT LIMIT for external tables is UNLIMITED.
Correct Answer: C 🗳️
Explanation: Only visible for Real4dumps members. You can sign-up / login (it's free).
Using the CUSTOMERS table, you need to generate a report that shows 50% of each credit amount in each income level. The report should NOT show any repeated credit amounts in each income level.
Which query would give the required result?
- A. SELECT DISTINCT cust_income_level || ` ' || cust_credit_limit * 0.50 AS "50% Credit Limit" FROM customers.
- B. SELECT cust_income_level, DISTINCT cust_credit_limit * 0.50 AS "50% Credit Limit" FROM customers
- C. SELECT cust_income_level || ` ' || cust_credit_limit * 0.50 AS "50% Credit Limit" FROM customers.
- D. SELECT DISTINCT cust_income_level, DISTINCT cust_credit_limit * 0.50 AS "50% Credit Limit" FROM customers.
Correct Answer: A 🗳️
Examine the data in the CUSTOMERStable:
You want to list all cities that have more than one customer along with the customer details.
Evaluate the following query:
Which two JOIN options can be used in the blank in the above query to give the correct output?
(Choose two.)
- A. FULL OUTER JOIN
- B. NATURAL JOIN
- C. LEFT OUTER JOIN
- D. JOIN
- E. RIGHT OUTER JOIN
Correct Answer: D,E 🗳️
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Viewing questions 1-5 out of 437 questions.
