Valid Dumps 1z0-071 Questions - 1z0-071 Study Materials Review

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Oracle 1z0-071 Exam Syllabus Topics:

Section	Weight	Objectives
Using Subqueries to Solve Queries		- Correlated subqueries for update/delete - Single-row and multi-row subqueries
Restricting and Sorting Data	15%	- Operator precedence - Substitution variables, DEFINE and VERIFY commands - ORDER BY clause and sorting rules - WHERE clause and filtering conditions
Displaying Data from Multiple Tables	15%	- Equijoins and non-equijoins - Cartesian products - Self-joins and outer joins
Manipulating Data and Managing Transactions		- Transaction control: COMMIT, ROLLBACK, SAVEPOINT - INSERT, UPDATE, DELETE, MERGE statements - Multi-table inserts
Aggregating Data Using Group Functions	10%	- SUM, AVG, COUNT, MAX, MIN functions - Handling NULLs in group functions - GROUP BY and HAVING clauses
Working with Time Zones and Date/Time Data		- Time zone conversion functions - TIMESTAMP, INTERVAL data types
Retrieving Data Using SQL SELECT Statement	20%	- Column aliases, concatenation, literals and DISTINCT - Arithmetic operations and NULL handling - SELECT statement syntax and usage
Managing Views		- Create, modify and drop views - Updatable and read-only views
Managing Tables and Constraints		- Constraints: primary key, foreign key, unique, check, not null - Data types, creating/altering/dropping tables - Temporary and external tables
Relational Database Concepts	10%	- Theoretical and physical aspects of relational databases - ERD and SQL statement mapping - Relationship between database and SQL
Using Single-Row Functions to Customize Output	20%	- Character, number, and date functions - Nested functions usage
Controlling User Access		- System and object privileges - Roles, granting and revoking privileges
Conversion Functions and Conditional Expressions	10%	- TO_CHAR, TO_NUMBER, TO_DATE functions - NVL, NULLIF, COALESCE and CASE expressions - Implicit and explicit data type conversion
Managing Indexes, Synonyms and Sequences		- Create and maintain indexes - Create and use synonyms - Create and use sequences
Using SET Operators		- Ordering results with set operations - UNION, UNION ALL, INTERSECT, MINUS operators
Using Data Dictionary Views		- Retrieve metadata and object information

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Oracle Valid Dumps 1z0-071 Questions: Oracle Database SQL - TestKingFree 100% Latest Products for your choosing

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Oracle Database SQL Sample Questions (Q355-Q360):

NEW QUESTION # 355
View the Exhibit and examine the details of the PRODUCT_INFORMATIONtable.
Exhibit

You must display PRODUCT_NAME from the table where the CATEGORY_IDcolumn has values
12or 13, and the SUPPLIER_IDcolumn has the value 102088.
You executed this SQL statement:

Which statement is true regarding the execution?

A. It would execute but would return no rows.
B. It would not execute because the entire WHERE clause is not enclosed within parentheses.
C. It would execute and return the desired result.
D. It would not execute because the same column has been used twice with the AND logical operator.

Answer: A

NEW QUESTION # 356
n the customers table, the CUST_CITY column contains the value 'Paris' for the CUST_FIRST_NAME 'Abigail'.
Evaluate the following query:

What would be the outcome?

A. Abigail PA
B. Abigail IS
C. Abigail Pa
D. An error message

Answer: C

NEW QUESTION # 357
Examine the structure of the EMPLOYEES table.

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

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

Answer: B,D

NEW QUESTION # 358
Examine thestructure 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)

B)

C)

D)

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

Answer: B

NEW QUESTION # 359
View the exhibit and examine the data in the PROJ_TASK_DETAILS table. (Choose the best answer.)

The PROJ_TASK_DETAILS table stores information about project tasks and the relation between them.
The BASED_ON column indicates dependencies between tasks.
Some tasks do not depend on the completion of other tasks.
You must generate a report listing all task IDs, the task ID of any task upon which it depends and the name of the employee in charge of the task upon which it depends.
Which query would give the required result?

A. SELECT p.task_id, p.based_on, d.task_in_charge
FROM proj_task_details p JOIN proj_task_details d
ON (p.based_on = d.task_id);
B. SELECT p.task_id, p.based_on, d.task_in_charge
FROM proj_task_details p LEFT OUTER JOIN proj_task_details d
ON (p.based_on = d.task_id);
C. SELECT p.task_id, p.based_on, d.task_in_charge
FROM proj_task_details p JOIN proj_task_details d
ON (p.task_id = d.task_id);
D. SELECT p.task_id, p.based_on, d.task_in_charge
FROM proj_task_details p FULL OUTER JOIN proj_task_details d
ON (p.based_on = d.task_id);

Answer: B

Explanation:
Explanation/Reference:

NEW QUESTION # 360
......

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