Another challenge is staying on top of the ever-changing exam content. Oracle 1Z0-171 is constantly evolving, and it can be difficult to know what to expect on test day. Our Oracle 1Z0-171 practice tests and PDF are updated regularly to reflect the latest Oracle 1Z0-171 Exam Format and content, so you can be confident that you are studying the most up-to-date 1Z0-171 exam information.
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Using SET Operators | 5% | - Using ORDER BY with set operations - UNION, UNION ALL, INTERSECT, MINUS operators - Matching SELECT statements |
| Topic 2: Controlling User Access | 5% | - System vs object privileges - Roles creation and privilege assignment - Granting privileges on tables |
| Topic 3: Using Functions | 25% | - Data type conversion: implicit and explicit - Nested functions - Character functions for string manipulation - Group functions and grouping data - NVL, NULLIF, COALESCE functions - ROUND, TRUNC, MOD functions - TO_CHAR, TO_NUMBER, TO_DATE conversion functions - Date arithmetic and date functions - Restricting group results |
| Topic 4: Data Dictionary and Time Zones | 5% | - CURRENT_DATE, CURRENT_TIMESTAMP, LOCALTIMESTAMP - INTERVAL data types - Using data dictionary views |
| Topic 5: Using Subqueries | 5% | - Correlated subqueries for update and delete - Single-row and multi-row subqueries |
| Topic 6: Retrieving and Sorting Data | 15% | - Sorting query results - DEFINE and VERIFY commands - Operator precedence rules - Operators, literals, DISTINCT keyword - Arithmetic expressions and NULL values - Using SELECT statement and column aliases - Limiting rows and substitution variables |
| Topic 7: DDL for Tables and Relationships | 15% | - CREATE TABLE statement - Table structure, columns, data types - Constraints management - Views management - TRUNCATE TABLE statement - Temporary and external tables - Drop columns, set unused columns |
| Topic 8: Displaying Data from Multiple Tables | 10% | - Different types of joins: equijoin, non-equijoin, outer join, self-join - Cartesian products |
| Topic 9: Relational Database Concepts | 5% | - Relationship between database and SQL - SQL SELECT clauses and ERD components - Relational database theoretical and physical aspects |
| Topic 10: Managing Tables with DML | 5% | - Transaction management and control - INSERT, UPDATE, DELETE operations - Multi-table INSERT and MERGE statements |
| Topic 11: Managing Indexes, Synonyms, Sequences | 5% | - Create and manage indexes - Create and manage sequences - Create and manage synonyms |
By reviewing these results, you will be able to know and remove your mistakes. These 1Z0-171 practice exams are created as per the pattern of the 1Z0-171 real examination. Therefore, Oracle Database 23ai SQL Associate (1Z0-171) mock exam takers will experience the real exam environment. It will calm down their nerves so they can appear in the Oracle 1Z0-171 final test without anxiety or fear.
NEW QUESTION # 48
What is the purpose of the MERGE statement in SQL?
Answer: C
NEW QUESTION # 49
What is the primary purpose of granting privileges in Oracle Database?
Answer: B
NEW QUESTION # 50
What does the following query return?
SELECT ROUND(123.456, 1) AS rounded_value FROM dual;
Answer: A
NEW QUESTION # 51
What does the following SQL statement do?
SELECT e.employee_id, d.department_name
FROM employees e
JOIN departments d ON e.department_id = d.department_id;
Answer: D
NEW QUESTION # 52
What happens if a DELETE statement is executed without a WHERE clause?
Answer: B
NEW QUESTION # 53
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