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Oracle 1Z1-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Using Subqueries | - Use multiple-row subqueries - Use correlated subqueries - Use single-row subqueries |
| Topic 2: Using Joins | - Use outer joins (LEFT, RIGHT, FULL) - Use equijoins and non-equijoins - Use self-joins - Use cross joins |
| Topic 3: Using DDL Statements | - Create and manage views - Create and manage constraints - Create and manage sequences - Create and manage indexes - Create and manage tables |
| Topic 4: Using SQL Functions | - Use conversion functions - Use character, number, and date functions in SELECT statements |
| Topic 5: Using DML Statements | - Use the MERGE statement - Delete rows from a table - Insert rows into a table - Update rows in a table - Control transactions |
| Topic 6: 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 7: Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators |
| Topic 8: Controlling User Access | - Create and manage roles - Differentiate system privileges from object privileges - Grant and revoke privileges |
Oracle Database 23ai SQL Associate Sample Questions:
1. Which function is used to convert a string to uppercase in SQL?
A) UPPER
B) CASE_UPPER
C) TO_UPPERCASE
D) CONVERT_UPPER
2. What does the following SQL statement do?
CREATE TABLE employees (
employee_id NUMBER PRIMARY KEY,
first_name VARCHAR2(50),
hire_date DATE NOT NULL
);
A) Creates a table with only VARCHAR2 and DATE columns
B) Creates a table with no constraints
C) Creates a table with a primary key and a NOT NULL constraint
D) Creates a temporary table
3. Which SQL function can be used to replace NULL values with a specified value?
A) REPLACE
B) NVL
C) ISNULL
D) COALESCE
4. What happens when the maximum value of a sequence is reached?
A) The sequence resets to the starting value if the CYCLE option is specified.
B) An error is raised, and the sequence must be recreated.
C) The sequence starts decrementing values.
D) The sequence stops generating values.
5. Which command is used to add a new column to an existing table?
A) ALTER TABLE
B) MODIFY COLUMN
C) ALTER COLUMN
D) ADD COLUMN
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: C | Question # 3 Answer: B | Question # 4 Answer: A | Question # 5 Answer: A |
Stephanie 
Maggie 
Denise 
Cash 
Hunter 
Kerwin 
Steward 
Horace 
Archer 
Addison 
Haley 
Zebulon 
Vic 
Lawrence 
