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Oracle 1Z1-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Using SELECT Statements | - Execute a basic SELECT statement - Use the ORDER BY clause to sort rows - Use the WHERE clause to restrict rows - Use the FETCH clause to limit rows returned |
| Topic 2: Using Joins | - Use self-joins - Use equijoins and non-equijoins - Use outer joins (LEFT, RIGHT, FULL) - Use cross joins |
| Topic 3: Using Subqueries | - Use multiple-row subqueries - Use single-row subqueries - Use correlated subqueries |
| Topic 4: Using DDL Statements | - Create and manage views - Create and manage constraints - Create and manage tables - Create and manage indexes - Create and manage sequences |
| Topic 5: Using DML Statements | - Control transactions - Use the MERGE statement - Insert rows into a table - Update rows in a table - Delete rows from a table |
| Topic 6: Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators |
| Topic 7: Using SQL Functions | - Use conversion functions - Use character, number, and date functions in SELECT statements |
| Topic 8: Controlling User Access | - Differentiate system privileges from object privileges - Create and manage roles - Grant and revoke privileges |
Oracle Database 23ai SQL Associate Sample Questions:
1. Which type of join retrieves only the rows with matching values in both tables?
A) OUTER JOIN
B) CROSS JOIN
C) NATURAL JOIN
D) INNER JOIN
2. What happens when the TRUNCATE TABLE statement is executed?
A) Deletes all rows in the table and logs the operation for rollback
B) Deletes the table structure permanently
C) Deletes all rows in the table without logging the operation for rollback
D) Deletes only the last row in the table
3. What happens if a DELETE statement is executed without a WHERE clause?
A) All rows in the table are deleted.
B) No rows are deleted.
C) Only the first row is deleted.
D) An error is raised.
4. Which command can be used to rename a table in Oracle Database?
A) RENAME
B) ALTER TABLE RENAME
C) RENAME TABLE
D) MODIFY TABLE NAME
5. Which SQL keyword is used to define a substitution variable in a SQL statement?
A) DEFINE
B) SET
C) VAR
D) SUBSTITUTION
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: C | Question # 3 Answer: A | Question # 4 Answer: A | Question # 5 Answer: A |
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