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Oracle 1Z0-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators |
| Topic 2: Using Joins | - Use equijoins and non-equijoins - Use outer joins (LEFT, RIGHT, FULL) - Use cross joins - Use self-joins |
| Topic 3: Controlling User Access | - Create and manage roles - Differentiate system privileges from object privileges - Grant and revoke privileges |
| Topic 4: Using SQL Functions | - Use character, number, and date functions in SELECT statements - Use conversion functions |
| Topic 5: Using SELECT Statements | - Use the WHERE clause to restrict rows - Execute a basic SELECT statement - Use the ORDER BY clause to sort rows - Use the FETCH clause to limit rows returned |
| Topic 6: Using DDL Statements | - Create and manage tables - Create and manage views - Create and manage constraints - Create and manage sequences - Create and manage indexes |
| Topic 7: Using Subqueries | - Use multiple-row subqueries - Use correlated subqueries - Use single-row subqueries |
| Topic 8: Using DML Statements | - Delete rows from a table - Update rows in a table - Control transactions - Insert rows into a table - Use the MERGE statement |
Oracle Database 23ai SQL Associate Sample Questions:
Question 1
What is a role in Oracle Database?
A. A user-defined function
B. A predefined SQL statement stored in the database
C. A set of privileges that can be granted to users or other roles
D. A database object used to enforce constraints
Question 2
What does the COMMIT statement do in SQL?
A. Saves all pending changes to the database permanently
B. Begins a new transaction
C. Rolls back changes to a previous state
D. Discards all pending changes in the transaction
Question 3
What is the primary purpose of a primary key in a relational database?
A. To uniquely identify each record in a table
B. To establish relationships between tables
C. To sort data in ascending order
D. To store duplicate data in a table
Question 4
Which of the following is a valid reason to create a synonym?
A. To enforce unique constraints on a table
B. To provide simplified and consistent access to an object
C. To improve query performance
D. To automatically generate numeric values for a column
Question 5
What is a subquery in SQL?
A. A query that combines data from multiple tables
B. A query used to create a table
C. A query inside another query
D. A query used for joining two or more tables
Solutions:
| Question 1 Answer: C | Question 2 Answer: A | Question 3 Answer: A | Question 4 Answer: B | Question 5 Answer: C |
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