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Oracle 1Z1-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Controlling User Access | - Differentiate system privileges from object privileges - Grant and revoke privileges - Create and manage roles |
| Topic 2: Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators |
| Topic 3: Using DDL Statements | - Create and manage constraints - Create and manage sequences - Create and manage tables - Create and manage views - Create and manage indexes |
| Topic 4: Using Joins | - Use equijoins and non-equijoins - Use cross joins - Use outer joins (LEFT, RIGHT, FULL) - Use self-joins |
| Topic 5: Using DML Statements | - Insert rows into a table - Delete rows from a table - Control transactions - Update rows in a table - Use the MERGE statement |
| Topic 6: Using Subqueries | - Use multiple-row subqueries - Use single-row subqueries - Use correlated subqueries |
| Topic 7: Using SQL Functions | - Use character, number, and date functions in SELECT statements - Use conversion functions |
| Topic 8: Using SELECT Statements | - Use the ORDER BY clause to sort rows - Use the WHERE clause to restrict rows - Execute a basic SELECT statement - Use the FETCH clause to limit rows returned |
Oracle Database 23ai SQL Associate Sample Questions:
1. Which of the following data dictionary views provides information about constraints on tables?
A) ALL_CONSTRAINTS
B) USER_CONSTRAINTS
C) All of the above
D) DBA_CONSTRAINTS
2. Which of the following best describes a relational database?
A) A database that organizes data hierarchically
B) A database where all data is stored as key-value pairs
C) A database that uses a tabular structure with rows and columns to represent relationships between data entities
D) A flat file system with no defined relationships between data
3. Which command can be used to rename a table in Oracle Database?
A) RENAME TABLE
B) RENAME
C) MODIFY TABLE NAME
D) ALTER TABLE RENAME
4. What will the following query return?
SELECT EXTRACT(YEAR FROM CURRENT_DATE) AS year FROM dual;
A) An error due to incorrect syntax
B) The full date in the session time zone
C) The current year in the database time zone
5. What is the result of the following SQL query?
SELECT COALESCE(NULL, 100, 200) AS result FROM dual;
A) 300
B) 100
C) 200
D) NULL
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: C | Question # 3 Answer: B | Question # 4 Answer: C | Question # 5 Answer: B |
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