Real Oracle Exam Questions And Answers From 1z0-071

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Oracle 1z0-071 Exam Syllabus Topics:

Section	Objectives
Topic 1: Subqueries and Advanced SQL	- Correlated subqueries and nested queries - Single-row and multi-row subqueries
Topic 2: SQL Retrieval	- Joins and set operations 1. INNER, OUTER, CROSS joins 2. UNION, INTERSECT, MINUS - SELECT statements and filtering data 1. WHERE clause and conditions 2. ORDER BY and row limiting
Topic 3: SQL Functions	- Conversion and conditional functions 1. TO_CHAR, TO_NUMBER, CASE expressions - Single-row functions 1. Character, numeric, date functions
Topic 4: Relational Database Concepts	- Data types and database objects overview - Tables, rows, columns, and relational model basics
Topic 5: 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 Database SQL Sample Questions (Q372-Q377):

NEW QUESTION # 372
View the exhibit and examine the descriptions of the DEPT and LOCATIONS tables.

You want to update the CITY column of the DEPT table for all the rows with the corresponding value in the CITY column of the LOCATIONS table for each department.
Which SQL statement would you execute to accomplish the task?

A. UPDATE dept dSET city = (SELECT cityFROM locations lWHERE d.location_id = l.location_id);
B. UPDATE dept dSET city = ANY (SELECT cityFROM locations l)
C. UPDATE dept dSET city = ALL (SELECT cityFROM locations lWHERE d.location_id = l.location_id);
D. UPDATE dept dSET city = (SELECT cityFROM locations l)WHERE d.location_id = l.location_id;

Answer: A

NEW QUESTION # 373
Evaluate the following SQL commands:

The command to create a table fails. Identify the reason for the SQL statement failure.

A. You cannot use the NEXTVALsequence value as a DEFAULTvalue for a column.
B. You cannot use SYSDATEin the condition of a CHECKconstraint.
C. You cannot use the BETWEENclause in the condition of a CHECKconstraint.
D. You cannot use ORD_NOand ITEM_NOcolumns as a composite primary key because ORD_NOis also the FOREIGN KEY.

Answer: B

NEW QUESTION # 374
Which three statements are true about performing Data Manipulation Language (DML) operations on a view in an Oracle Database? (Choose three.)

A. The WITH CHECKclause has no effect when deleting rows from the underlying table through the view.
B. Views cannot be used to add or modify rows in an underlying table if the defining query of the view contains the DISTINCTkeyword.
C. Views cannot be used to query rows from an underlying table if the table has a PRIMARY KEYand the PRIMARY KEYcolumns are not referenced in the defining query of the view.
D. 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.
E. Views cannot be used to add or modify rows in an underlying table if the defining query of the view contains aggregating functions.
F. Insert statements can always be done on a table through a view.

Answer: C,D,E

NEW QUESTION # 375
Evaluate these commands which execute successfully:

Which two statements are true about the ORD_ITEMStable and the ORD_SEQsequence? (Choose two.)

A. Any user inserting rows into table ORD_ITEMSmust have been granted access to sequence ORD_SEQ.
B. Sequence ORD_SEQis guaranteed not to generate duplicate numbers.
C. Sequence ORD_SEQcycles back to 1 after every 5000 numbers and can cycle 20 times.
D. If sequence ORD_SEQis dropped then the default value for column ORD_NOwill be NULL for rows inserted into ORD_ITEMS.
E. Column ORD_NOgets the next number from sequence ORD_SEQwhenever a row is inserted into ORD_ITEMSand no explicit value is given for ORD_NO.

Answer: A,B

NEW QUESTION # 376
Examine the commands used to create DEPARTMENT_DETAILS and COURSE_DETAILS tables:

You want to generate a list of all department IDs that do not exist in the COURSE_DETAILS table.
You execute the SQL statement:

What is the outcome?

A. It executes successfully but displays an incorrect list.
B. It executes successfully and displays the required list.
C. It fails because the ON clause condition is not valid.
D. It fails because the join type used is incorrect.

Answer: B

NEW QUESTION # 377
......

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Real Oracle Exam Questions And Answers From 1z0-071​​​​​​​

Oracle 1z0-071 Exam Syllabus Topics:

Real Oracle 1z0-071 Question, 1z0-071 Book Free

Oracle Database SQL Sample Questions (Q372-Q377):

Real Oracle Exam Questions And Answers From 1z0-071