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Oracle 1Z0-171 Exam Syllabus Topics:

Section	Objectives
Using SQL Functions	- Use conversion functions - Use character, number, and date functions in SELECT statements
Using Joins	- Use cross joins - Use outer joins (LEFT, RIGHT, FULL) - Use self-joins - Use equijoins and non-equijoins
Using DML Statements	- Control transactions - Delete rows from a table - Update rows in a table - Use the MERGE statement - Insert rows into a table
Using DDL Statements	- Create and manage tables - Create and manage sequences - Create and manage constraints - Create and manage indexes - Create and manage views
Using Subqueries	- Use correlated subqueries - Use single-row subqueries - Use multiple-row subqueries
Controlling User Access	- Differentiate system privileges from object privileges - Grant and revoke privileges - Create and manage roles
Using SELECT Statements	- Use the WHERE clause to restrict rows - Use the ORDER BY clause to sort rows - Execute a basic SELECT statement - Use the FETCH clause to limit rows returned
Using Set Operators	- Use UNION, UNION ALL, INTERSECT, and MINUS operators

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Oracle Database 23ai SQL Associate Sample Questions (Q19-Q24):

NEW QUESTION # 19
Which of the following SQL commands retrieves data from a relational database?

A. SELECT
B. UPDATE
C. DELETE
D. INSERT

Answer: A

NEW QUESTION # 20
What does a Cartesian product in SQL result from?

A. A NATURAL JOIN without specifying join conditions
B. An OUTER JOIN with NULL values
C. An INNER JOIN without specifying join conditions

Answer: C

NEW QUESTION # 21
Which command revokes a user's privilege to update a table?

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

Answer: D

NEW QUESTION # 22
Which clause in a SQL SELECT statement is used to define the columns to be retrieved?

A. GROUP BY
B. SELECT
C. FROM
D. WHERE

Answer: B

NEW QUESTION # 23
What does the following SQL statement do?
CREATE TABLE employees (
employee_id NUMBER PRIMARY KEY,
first_name VARCHAR2(50),
hire_date DATE NOT NULL
);

A. Creates a table with a primary key and a NOT NULL constraint
B. Creates a table with only VARCHAR2 and DATE columns
C. Creates a temporary table
D. Creates a table with no constraints

Answer: A

NEW QUESTION # 24
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