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Oracle 1Z0-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators |
| Using SELECT Statements | - Execute a basic SELECT statement - Use the WHERE clause to restrict rows - Use the ORDER BY clause to sort rows - Use the FETCH clause to limit rows returned |
| Controlling User Access | - Create and manage roles - Differentiate system privileges from object privileges - Grant and revoke privileges |
| Using Subqueries | - Use multiple-row subqueries - Use single-row subqueries - Use correlated subqueries |
| Using DML Statements | - Delete rows from a table - Update rows in a table - Use the MERGE statement - Control transactions - Insert rows into a table |
| Using Joins | - Use cross joins - Use equijoins and non-equijoins - Use outer joins (LEFT, RIGHT, FULL) - Use self-joins |
| Using SQL Functions | - Use character, number, and date functions in SELECT statements - Use conversion functions |
| Using DDL Statements | - Create and manage tables - Create and manage views - Create and manage sequences - Create and manage indexes - Create and manage constraints |
Oracle Database 23ai SQL Associate Sample Questions:
1. Which clause can be used with SET operators to sort the final result set?
A) HAVING
B) ORDER BY
C) WHERE
D) GROUP BY
2. Which SQL clause can be used in Oracle to limit the number of rows returned?
A) DISTINCT
B) WHERE
C) GROUP BY
D) FETCH FIRST n ROWS ONLY
3. What is a sequence in Oracle Database?
A) A type of index used for sorting rows
B) A predefined set of SQL queries executed in order
C) A list of numbers stored in a table
D) A database object that generates a series of unique numeric values
4. Which type of subquery returns exactly one value?
A) Multiple-row subquery
B) Scalar subquery
C) Correlated subquery
D) Inline view
5. Which of the following best describes a relational database?
A) A database that organizes data hierarchically
B) A flat file system with no defined relationships between data
C) A database where all data is stored as key-value pairs
D) A database that uses a tabular structure with rows and columns to represent relationships between data entities
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: B | Question # 5 Answer: D |
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