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Oracle 1Z1-171 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Managing Indexes, Synonyms, Sequences | 5% | - Create and manage synonyms - Create and manage indexes - Create and manage sequences |
| Topic 2: Controlling User Access | 5% | - Roles creation and privilege assignment - Granting privileges on tables - System vs object privileges |
| Topic 3: Using Functions | 25% | - ROUND, TRUNC, MOD functions - Data type conversion: implicit and explicit - Restricting group results - Group functions and grouping data - Date arithmetic and date functions - TO_CHAR, TO_NUMBER, TO_DATE conversion functions - Character functions for string manipulation - Nested functions - NVL, NULLIF, COALESCE functions |
| Topic 4: Displaying Data from Multiple Tables | 10% | - Different types of joins: equijoin, non-equijoin, outer join, self-join - Cartesian products |
| Topic 5: DDL for Tables and Relationships | 15% | - Drop columns, set unused columns - Temporary and external tables - TRUNCATE TABLE statement - Table structure, columns, data types - Views management - CREATE TABLE statement - Constraints management |
| Topic 6: Relational Database Concepts | 5% | - Relationship between database and SQL - SQL SELECT clauses and ERD components - Relational database theoretical and physical aspects |
| Topic 7: Using Subqueries | 5% | - Single-row and multi-row subqueries - Correlated subqueries for update and delete |
| Topic 8: Retrieving and Sorting Data | 15% | - Arithmetic expressions and NULL values - DEFINE and VERIFY commands - Operators, literals, DISTINCT keyword - Operator precedence rules - Using SELECT statement and column aliases - Sorting query results - Limiting rows and substitution variables |
| Topic 9: Data Dictionary and Time Zones | 5% | - Using data dictionary views - INTERVAL data types - CURRENT_DATE, CURRENT_TIMESTAMP, LOCALTIMESTAMP |
| Topic 10: Using SET Operators | 5% | - UNION, UNION ALL, INTERSECT, MINUS operators - Matching SELECT statements - Using ORDER BY with set operations |
| Topic 11: Managing Tables with DML | 5% | - Multi-table INSERT and MERGE statements - Transaction management and control - INSERT, UPDATE, DELETE operations |
Oracle Database 23ai SQL Associate Sample Questions:
1. What does the following command do?
GRANT CREATE SESSION TO user_name;
A) Assigns the user to a specific role
B) Allows the user to create new sessions for other users
C) Grants the user the ability to connect to the database
D) Allows the user to create database objects
2. Which type of INSERT statement allows inserting rows into multiple tables using a single SELECT query?
A) Insert rows into multiple tables simultaneously
B) Insert rows into a single table based on values in other tables
C) Insert rows into multiple tables without conditions
D) Insert rows into a table only when a condition is met
3. What will the following SQL statement output?
SELECT first_name || ' ' || last_name AS full_name FROM employees;
A) Concatenated first and last names without spaces
B) Only the first names of employees
C) Concatenated first and last names with spaces in between
D) A syntax error
4. What does the following SQL query do?
SELECT * FROM employees WHERE salary > 5000 ORDER BY department_id;
A) Retrieves employees with salary less than 5000, sorted by department ID
B) Retrieves all employees with a salary greater than 5000, sorted by department ID in ascending order
C) Retrieves all employees, sorted by department ID
D) Retrieves all employees with a salary greater than 5000, sorted by salary in ascending order
5. Which of the following best describes a relational database?
A) A database that uses a tabular structure with rows and columns to represent relationships between data entities
B) A database where all data is stored as key-value pairs
C) A database that organizes data hierarchically
D) A flat file system with no defined relationships between data
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: A | Question # 3 Answer: C | Question # 4 Answer: B | Question # 5 Answer: A |
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