1Z1-171 Braindumps - 1Z1-171 Dump File

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Oracle 1Z1-171 Exam Syllabus Topics:

Section	Objectives
Retrieving Data Using SQL	- Joins and Subqueries 1. Inner and outer joins 2. Correlated and non-correlated subqueries - SELECT statements 1. Column selection and expressions 2. Filtering with WHERE clause 3. Sorting results with ORDER BY
Relational Database Concepts	- Database fundamentals and relational model 1. Tables, rows, columns, and keys 2. Entity relationships and normalization basics
Data Definition Language (DDL)	- Schema objects 1. Views and indexes 2. Tables and constraints
Advanced SQL Features	- Aggregations and grouping 1. GROUP BY and HAVING 2. Aggregate functions - Set operators and functions 1. Single-row and group functions 2. UNION, INTERSECT, MINUS
Data Manipulation Language (DML)	- Insert, Update, Delete operations 1. Data integrity considerations 2. Transaction control (COMMIT, ROLLBACK)

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Oracle Database 23ai SQL Associate Sample Questions (Q88-Q93):

NEW QUESTION # 88
What does the following SQL query do?
SELECT * FROM employees WHERE salary > 5000 ORDER BY department_id;

A. Retrieves all employees with a salary greater than 5000, sorted by department ID in ascending order
B. Retrieves all employees with a salary greater than 5000, sorted by salary in ascending order
C. Retrieves all employees, sorted by department ID
D. Retrieves employees with salary less than 5000, sorted by department ID

Answer: A

NEW QUESTION # 89
What does the INTERSECT operator do in SQL?

A. Returns rows from the first query that are not present in the second query
B. Returns rows that are present in both queries
C. Combines all rows from two queries without any conditions
D. Combines rows from two queries and includes all duplicates

Answer: B

NEW QUESTION # 90
What is the default order of evaluation when multiple SET operators are used in a query?

A. UNION, MINUS, INTERSECT
B. UNION, INTERSECT, MINUS
C. INTERSECT, UNION, MINUS
D. INTERSECT, MINUS, UNION

Answer: C

NEW QUESTION # 91
Which of the following statements creates an ascending sequence starting at 100 and incrementing by 10?

A. CREATE SEQUENCE seq_1 START WITH 10 INCREMENT BY -100;
B. CREATE SEQUENCE seq_1 START WITH 100 INCREMENT BY -10;
C. CREATE SEQUENCE seq_1 START WITH 10 INCREMENT BY 100;
D. CREATE SEQUENCE seq_1 START WITH 100 INCREMENT BY 10;

Answer: D

NEW QUESTION # 92
Which SQL keyword is used to define a substitution variable in a SQL statement?

A. SUBSTITUTION
B. VAR
C. SET
D. DEFINE

Answer: D

NEW QUESTION # 93
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