1Z0-071 VALID EXAM DURATION AND ORACLE 1Z0-071 LATEST GUIDE FILES: ORACLE DATABASE SQL PASS CERTAINLY

1z0-071 Valid Exam Duration and Oracle 1z0-071 Latest Guide Files: Oracle Database SQL Pass Certainly

1z0-071 Valid Exam Duration and Oracle 1z0-071 Latest Guide Files: Oracle Database SQL Pass Certainly

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Tags: 1z0-071 Valid Exam Duration, 1z0-071 Latest Guide Files, 1z0-071 Exam Preparation, 1z0-071 Reliable Exam Papers, New 1z0-071 Test Questions

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Oracle 1z0-071 Valid Exam Duration: Oracle Database SQL & Leader in Qualification Exams

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Oracle 1z0-071 Practice Test Questions, Oracle 1z0-071 Exam Practice Test Questions

The Oracle 1z0-071 exam is required for obtaining several certifications provided by the Oracle University, namely Oracle PL/SQL Developer Certified Associate, Oracle Database 12c Administrator Certified Associate, and Oracle Database SQL Certified Associate. This test validates the candidates’ competency in Oracle SQL as well as PL/SQL technologies.

Oracle Database SQL Sample Questions (Q159-Q164):

NEW QUESTION # 159
Which three statements are true about inner and outer joins? (Choose three.)

  • A. Outer joins can only be used between two per query
  • B. Outer joins can be used when there are multiple join conditions on two tables
  • C. An inner join returns matched rows
  • D. A left or right outer join returns only unmatched rows
  • E. A full outer join returns matched and unmatched rows
  • F. A full outer join must use Oracle syntax

Answer: C,D,E

Explanation:
Explanation/Reference: https://www.studytonight.com/dbms/joining-in-sql.php


NEW QUESTION # 160
View the Exhibit and examine the structure of the PRODUCTtable.

Which two tasks would require subqueries? (Choose two.)

  • A. display the total number of products supplied by supplier 102 and have product status as 'OBSOLETE'
  • B. display all suppliers whose list price is more than 1000
  • C. display all products whose minimum list price is more than the average list price of products having the status 'orderable'
  • D. display the minimum list price for each product status
  • E. display the number of products whose list prices are more than the average list price

Answer: C,E


NEW QUESTION # 161
Examine the structure of the invoice table.

Which two SQL statements would execute successfully? A)

B)

C)

D)

  • A. Option D
  • B. Option B
  • C. Option A
  • D. Option C

Answer: D


NEW QUESTION # 162
Which statement is true about aggregate functions?

  • A. The AVG function implicitly converts NULLS to zero
  • B. Aggregate functions can be nested to any number of levels
  • C. Aggregate functions can be used in any clause of a SELECT statement
  • D. The MAX and MIN functions can be used on columns with character data types

Answer: D

Explanation:
B: True. The MAX and MIN functions can be applied to columns with character data types. These functions will return the highest or lowest values in a set of rows, based on alphabetical order for character data. This allows these aggregate functions to be versatile and useful across different data types, including numerical, date, and character types.


NEW QUESTION # 163
Which statement is true about SQL query processing in an Oracle database instance? (Choose the best answer.)

  • A. During optimization, execution plans are formulated based on the statistics gathered by the database instance, and the lowest cost plan is selected for execution.
  • B. During parsing, a SQL statement containing literals in the WHERE clause that has been executed by any session and which is cached in memory, is always reused for the current execution.
  • C. During row source generation, rows that satisfy the query are retrieved from the database and stored in memory.
  • D. During executing, the oracle server may read data from storage if the required data is not already in memory.

Answer: D


NEW QUESTION # 164
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