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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:
1. Which SQL keyword is used to define a substitution variable in a SQL statement?
A) DEFINE
B) SET
C) SUBSTITUTION
D) VAR
2. 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
3. Which clause can be used with SET operators to sort the final result set?
A) ORDER BY
B) WHERE
C) GROUP BY
D) HAVING
4. 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
5. 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
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: B | Question # 3 Answer: A | Question # 4 Answer: B | Question # 5 Answer: B |
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