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Oracle 1Z1-171 Exam Syllabus Topics:
| Section | Objectives |
| Topic 1: Advanced SQL Features | - Aggregations and grouping
- 1. Aggregate functions
- 2. GROUP BY and HAVING
- Set operators and functions
- 1. Single-row and group functions
- 2. UNION, INTERSECT, MINUS
|
| Topic 2: Data Definition Language (DDL) | - Schema objects
- 1. Tables and constraints
- 2. Views and indexes
|
| Topic 3: Data Manipulation Language (DML) | - Insert, Update, Delete operations
- 1. Data integrity considerations
- 2. Transaction control (COMMIT, ROLLBACK)
|
| Topic 4: Retrieving Data Using SQL | - Joins and Subqueries
- 1. Inner and outer joins
- 2. Correlated and non-correlated subqueries
- SELECT statements
- 1. Column selection and expressions
- 2. Sorting results with ORDER BY
- 3. Filtering with WHERE clause
|
| Topic 5: Relational Database Concepts | - Database fundamentals and relational model
- 1. Tables, rows, columns, and keys
- 2. Entity relationships and normalization basics
|
Oracle Database 23ai SQL Associate Sample Questions:
1. Which SQLPlus command displays defined substitution variable values?
A) SHOW
B) LIST
C) VERIFY
D) DEFINE
2. Which of the following data dictionary views provides information about constraints on tables?
A) ALL_CONSTRAINTS
B) DBA_CONSTRAINTS
C) USER_CONSTRAINTS
D) All of the above
3. What happens when a temporary table is created in Oracle Database?
A) It is stored in external files.
B) It cannot have any constraints.
C) It is permanently stored in the database.
D) It is created for the duration of a user session or transaction.
4. Which of the following is a valid reason to create a synonym?
A) To provide simplified and consistent access to an object
B) To automatically generate numeric values for a column
C) To enforce unique constraints on a table
D) To improve query performance
5. What is a SELF JOIN in SQL?
A) A join between tables with identical structures
B) A join used for Cartesian products
C) A join of a table with itself
D) A join that does not require a WHERE clause
Solutions:
Question # 1 Answer: D | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: A | Question # 5 Answer: C |