Oracle 1Z0-171 Exam | Exam 1Z0-171 Vce Format - Help you Pass 1Z0-171: Oracle Database 23ai SQL Associate Exam

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Oracle 1Z0-171 Exam Syllabus Topics:

Section	Weight	Objectives
Using Subqueries	5%	- Single-row and multi-row subqueries - Correlated subqueries for update and delete
Displaying Data from Multiple Tables	10%	- Different types of joins: equijoin, non-equijoin, outer join, self-join - Cartesian products
Using SET Operators	5%	- Matching SELECT statements - Using ORDER BY with set operations - UNION, UNION ALL, INTERSECT, MINUS operators
Data Dictionary and Time Zones	5%	- INTERVAL data types - CURRENT_DATE, CURRENT_TIMESTAMP, LOCALTIMESTAMP - Using data dictionary views
Using Functions	25%	- TO_CHAR, TO_NUMBER, TO_DATE conversion functions - Nested functions - ROUND, TRUNC, MOD functions - Data type conversion: implicit and explicit - NVL, NULLIF, COALESCE functions - Date arithmetic and date functions - Group functions and grouping data - Character functions for string manipulation - Restricting group results
Controlling User Access	5%	- Roles creation and privilege assignment - Granting privileges on tables - System vs object privileges
Retrieving and Sorting Data	15%	- Limiting rows and substitution variables - Operator precedence rules - Operators, literals, DISTINCT keyword - Arithmetic expressions and NULL values - Sorting query results - Using SELECT statement and column aliases - DEFINE and VERIFY commands
Managing Tables with DML	5%	- Multi-table INSERT and MERGE statements - INSERT, UPDATE, DELETE operations - Transaction management and control
DDL for Tables and Relationships	15%	- Temporary and external tables - TRUNCATE TABLE statement - Views management - Table structure, columns, data types - Constraints management - Drop columns, set unused columns - CREATE TABLE statement
Relational Database Concepts	5%	- SQL SELECT clauses and ERD components - Relational database theoretical and physical aspects - Relationship between database and SQL
Managing Indexes, Synonyms, Sequences	5%	- Create and manage indexes - Create and manage sequences - Create and manage synonyms

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Oracle Database 23ai SQL Associate Sample Questions (Q59-Q64):

NEW QUESTION # 59
The column data type is converted to a primary key.

A. CREATE SYNONYM
B. CREATE SEQUENCE
C. CREATE ALIAS
D. CREATE INDEX

Answer: A

NEW QUESTION # 60
What does the following SQL query return?
SELECT employee_id, salary * 12 AS annual_salary FROM employees;

A. Only employees with salaries greater than 12
B. Employee IDs and their annual salaries
C. Salaries multiplied by 12 and stored in a new table
D. Monthly salaries of all employees

Answer: B

NEW QUESTION # 61
What will the following query return?
SELECT TO_CHAR(SYSDATE, 'DD-MM-YYYY') AS formatted_date FROM dual;

A. The time part of the current date
B. An error
C. The current date in the format 'DD-MM-YYYY'
D. The current date in the default system format

Answer: C

NEW QUESTION # 62
Which command revokes a user's privilege to update a table?

A. DELETE UPDATE ON table_name FROM user_name;
B. REVOKE UPDATE ON table_name FROM user_name;
C. DENY UPDATE ON table_name FROM user_name;
D. REMOVE UPDATE ON table_name FROM user_name;

Answer: B

NEW QUESTION # 63
Which of the following best describes a relational database?

A. A database where all data is stored as key-value pairs
B. A database that organizes data hierarchically
C. A flat file system with no defined relationships between data
D. A database that uses a tabular structure with rows and columns to represent relationships between data entities

Answer: D

NEW QUESTION # 64
......

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