1z1-071 Pdf Version, Examcollection 1z1-071 Dumps

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Oracle 1z1-071 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Displaying Data from Multiple Tables	15%	- Equijoins and non-equijoins - Cartesian products - Self-joins and outer joins
Topic 2: Using Single-Row Functions to Customize Output	20%	- Nested functions usage - Character, number, and date functions
Topic 3: Managing Tables and Constraints		- Temporary and external tables - Constraints: primary key, foreign key, unique, check, not null - Data types, creating/altering/dropping tables
Topic 4: Using SET Operators		- Ordering results with set operations - UNION, UNION ALL, INTERSECT, MINUS operators
Topic 5: Restricting and Sorting Data	15%	- Operator precedence - ORDER BY clause and sorting rules - Substitution variables, DEFINE and VERIFY commands - WHERE clause and filtering conditions
Topic 6: Managing Indexes, Synonyms and Sequences		- Create and use synonyms - Create and maintain indexes - Create and use sequences
Topic 7: Using Data Dictionary Views		- Retrieve metadata and object information
Topic 8: Relational Database Concepts	10%	- Theoretical and physical aspects of relational databases - Relationship between database and SQL - ERD and SQL statement mapping
Topic 9: Aggregating Data Using Group Functions	10%	- Handling NULLs in group functions - SUM, AVG, COUNT, MAX, MIN functions - GROUP BY and HAVING clauses
Topic 10: Retrieving Data Using SQL SELECT Statement	20%	- SELECT statement syntax and usage - Column aliases, concatenation, literals and DISTINCT - Arithmetic operations and NULL handling
Topic 11: Working with Time Zones and Date/Time Data		- TIMESTAMP, INTERVAL data types - Time zone conversion functions
Topic 12: Conversion Functions and Conditional Expressions	10%	- NVL, NULLIF, COALESCE and CASE expressions - Implicit and explicit data type conversion - TO_CHAR, TO_NUMBER, TO_DATE functions
Topic 13: Using Subqueries to Solve Queries		- Single-row and multi-row subqueries - Correlated subqueries for update/delete
Topic 14: Managing Views		- Updatable and read-only views - Create, modify and drop views
Topic 15: Controlling User Access		- Roles, granting and revoking privileges - System and object privileges
Topic 16: Manipulating Data and Managing Transactions		- Transaction control: COMMIT, ROLLBACK, SAVEPOINT - INSERT, UPDATE, DELETE, MERGE statements - Multi-table inserts

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Oracle Database SQL Sample Questions (Q306-Q311):

NEW QUESTION # 306
Examine thee statements which execute successfully:
CREATE USER finance IDENTIFIED BY pwfin;
CREATE USER fin manager IDENTIETED BY pwmgr;
CREATE USER fin. Clerk IDENTIFIED BY pwclerk;
GRANT CREATE SESSON 20 finance, fin clerk;
GRANT SELECT ON scott. Emp To finance WITH GRANT OPTION;
CONNECT finance/pwfin
GRANT SELECT ON scott. emp To fin_ _clerk;
Which two are true?

A. User FINANCE can grant CREATE SESSION to user FIN MANAGER.
B. User FINANCE is unable to grant ALL on SCOTT.ENP to FIN MANAGER.
C. Dropping user FINANCE will automatically revoke SELECT on SCOTT. EMP from user FIN _ CLERK
D. Revoking SELECT on SCOTT. EMP from user FINANCE will also revoke the privilege from user FIN_ CLERK.
E. User FIN CLERK can grant SELECT on SCORT, ENP to user FIN MANAGER.

Answer: B,D

NEW QUESTION # 307
You need to display the first names of all customers from the CUSTOMERS table that contain the character 'e' and have the character 'a' in the second last position.
Which query would give the required output?

A. SELECT cust_first_name
FROM customers
WHERE INSTR(cust_first_name, 'e')<>0 AND
SUBSTR(cust_first_name, LENGTH(cust_first_name), -2)='a';
B. SELECT cust_first_name
FROM customers
WHERE INSTR(cust_first_name, 'e')<>'' AND
SUBSTR(cust_first_name, -2, 1)='a';
C. SELECT cust_first_name
FROM customers
WHERE INSTR(cust_first_name, 'e')IS NOT NULL AND
SUBSTR(cust_first_name, 1, -2)='a';
D. SELECT cust_first_name
FROM customers
WHERE INSTR(cust_first_name, 'e')<>0 AND
SUBSTR(cust_first_name, -2, 1)='a';

Answer: D

NEW QUESTION # 308
Which statement is true about TRUNCATE and DELETE?

A. For large tables, DELETE is faster than TRUNCATE.
B. You can never TRUNCATE a table if foreign key constraints will be violated.
C. You can DELETE rows from a table with referential integrity constraints.
D. For tables with multiple indexes and triggers, DELETE is faster than TRUNCATE.

Answer: B

Explanation:
Cannot truncate table 'Table' because it is being referenced by a FOREIGN KEY constraint.
https://dba.stackexchange.com/questions/190073/truncate-tables-with-dependent-foreign-key-constraints

NEW QUESTION # 309
View the Exhibit and examine the structure in the DEPARTMENTS tables. (Choose two.)

Examine this SQL statement:
SELECT department_id "DEPT_ID", department_name, 'b' FROM
departments
WHERE departments_id=90
UNION
SELECT department_id, department_name DEPT_NAME, 'a' FROM
departments
WHERE department_id=10
Which two ORDER BY clauses can be used to sort the output?

A. ORDER BY DEPT_ID;
B. ORDER BY 3;
C. ORDER BY DEPT_NAME;
D. ORDER BY 'b';

Answer: A,B

NEW QUESTION # 310
View the Exhibit and examine the structure of the PORDUCT_INFORMATION table. (Choose the best answer.)

PRODUCT_ID column is the primary key.
You create an index using this command:
SQL > CREATE INDEX upper_name_idx
ON product_information(UPPER(product_name));
No other indexes exist on the PRODUCT_INFORMATION table.
Which query would use the UPPER_NAME_IDX index?

A. SELECT UPPER(product_name)
FROM product_information;
B. SELECT UPPER(product_name)
FROM product_information
WHERE product_id = 2254;
C. SELECT product_id, UPPER(product_name)
FROM product_information
WHERE UPPER(product_name) = 'LASERPRO' OR list_price > 1000;
D. SELECT product_id
FROM product_information
WHERE UPPER(product_name) IN ('LASERPRO', 'CABLE');

Answer: D

NEW QUESTION # 311
......

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