Make a learning plan
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Correct your mistake
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Develop good study habits
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Oracle 1Z1-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Using Joins | - Use cross joins - Use equijoins and non-equijoins - Use outer joins (LEFT, RIGHT, FULL) - Use self-joins |
| Topic 2: Using SELECT Statements | - Use the WHERE clause to restrict rows - Use the FETCH clause to limit rows returned - Use the ORDER BY clause to sort rows - Execute a basic SELECT statement |
| Topic 3: Controlling User Access | - Differentiate system privileges from object privileges - Create and manage roles - Grant and revoke privileges |
| Topic 4: Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators |
| Topic 5: Using Subqueries | - Use multiple-row subqueries - Use single-row subqueries - Use correlated subqueries |
| Topic 6: Using DML Statements | - Insert rows into a table - Use the MERGE statement - Update rows in a table - Control transactions - Delete rows from a table |
| Topic 7: Using SQL Functions | - Use character, number, and date functions in SELECT statements - Use conversion functions |
| Topic 8: Using DDL Statements | - Create and manage indexes - Create and manage sequences - Create and manage tables - Create and manage constraints - Create and manage views |
Oracle Database 23ai SQL Associate Sample Questions:
1. What happens when a unique index is created on a table column?
A) The column cannot contain duplicate values.
B) The column can only contain NULL values.
C) The column values are automatically encrypted.
D) The column data type is converted to a primary key.
2. What does the following query return?
SELECT ROUND(123.456, 1) AS rounded_value FROM dual;
A) 124
B) 123.5
C) 123.4
D) 123.45
3. What is the result of the following SQL query?
SELECT COALESCE(NULL, 100, 200) AS result FROM dual;
A) NULL
B) 300
C) 200
D) 100
4. What happens when the maximum value of a sequence is reached?
A) The sequence starts decrementing values.
B) An error is raised, and the sequence must be recreated.
C) The sequence stops generating values.
D) The sequence resets to the starting value if the CYCLE option is specified.
5. Which type of join retrieves only the rows with matching values in both tables?
A) OUTER JOIN
B) CROSS JOIN
C) INNER JOIN
D) NATURAL JOIN
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: B | Question # 3 Answer: D | Question # 4 Answer: D | Question # 5 Answer: C |
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Daniel 
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Malcolm 
Jerome 
Helen 
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Hunter 
Mike 
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