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Oracle 1Z0-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Using DDL Statements | - Create and manage sequences - Create and manage constraints - Create and manage tables - Create and manage views - Create and manage indexes |
| Topic 2: Using SELECT Statements | - Use the FETCH clause to limit rows returned - Use the ORDER BY clause to sort rows - Use the WHERE clause to restrict rows - Execute a basic SELECT statement |
| Topic 3: Using DML Statements | - Use the MERGE statement - Control transactions - Insert rows into a table - Delete rows from a table - Update rows in a table |
| Topic 4: Using Subqueries | - Use single-row subqueries - Use multiple-row subqueries - Use correlated subqueries |
| Topic 5: Using SQL Functions | - Use character, number, and date functions in SELECT statements - Use conversion functions |
| Topic 6: Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators |
| Topic 7: Using Joins | - Use outer joins (LEFT, RIGHT, FULL) - Use cross joins - Use self-joins - Use equijoins and non-equijoins |
| Topic 8: Controlling User Access | - Grant and revoke privileges - Differentiate system privileges from object privileges - Create and manage roles |
Oracle Database 23ai SQL Associate Sample Questions:
Which SQL keyword is used to define a substitution variable in a SQL statement?
- A. DEFINE
- B. SET
- C. SUBSTITUTION
- D. VAR
Correct Answer: A 🗳️
What will the following SQL query return?
SELECT TRUNC(15.678, 2) AS truncated_value FROM dual;
- A. 15.6
- B. 15.67
- C. 15.678
- D. 15.68
Correct Answer: B 🗳️
Which clause can be used with SET operators to sort the final result set?
- A. ORDER BY
- B. WHERE
- C. GROUP BY
- D. HAVING
Correct Answer: A 🗳️
What is the purpose of the DBA_OBJECTS data dictionary view?
- A. To list all users in the database
- B. To provide information about all objects in the database
- C. To show the current session details
- D. To monitor system performance
Correct Answer: B 🗳️
Which data dictionary view provides information about all the columns in tables accessible to the current user?
- A. DBA_TAB_COLUMNS
- B. ALL of the above
- C. USER_COLUMNS
- D. ALL_TAB_COLUMNS
Correct Answer: B 🗳️
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