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Oracle 1Z1-171 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Using Subqueries | 5% | - Single-row and multi-row subqueries - Correlated subqueries for update and delete |
| Topic 2: Using SET Operators | 5% | - UNION, UNION ALL, INTERSECT, MINUS operators - Matching SELECT statements - Using ORDER BY with set operations |
| Topic 3: Managing Indexes, Synonyms, Sequences | 5% | - Create and manage indexes - Create and manage synonyms - Create and manage sequences |
| Topic 4: Managing Tables with DML | 5% | - Multi-table INSERT and MERGE statements - INSERT, UPDATE, DELETE operations - Transaction management and control |
| Topic 5: Data Dictionary and Time Zones | 5% | - Using data dictionary views - CURRENT_DATE, CURRENT_TIMESTAMP, LOCALTIMESTAMP - INTERVAL data types |
| Topic 6: DDL for Tables and Relationships | 15% | - TRUNCATE TABLE statement - Drop columns, set unused columns - Table structure, columns, data types - Constraints management - Views management - CREATE TABLE statement - Temporary and external tables |
| Topic 7: Displaying Data from Multiple Tables | 10% | - Different types of joins: equijoin, non-equijoin, outer join, self-join - Cartesian products |
| Topic 8: Using Functions | 25% | - Data type conversion: implicit and explicit - Restricting group results - Nested functions - Group functions and grouping data - TO_CHAR, TO_NUMBER, TO_DATE conversion functions - ROUND, TRUNC, MOD functions - Date arithmetic and date functions - NVL, NULLIF, COALESCE functions - Character functions for string manipulation |
| Topic 9: Controlling User Access | 5% | - Granting privileges on tables - Roles creation and privilege assignment - System vs object privileges |
| Topic 10: Retrieving and Sorting Data | 15% | - Operators, literals, DISTINCT keyword - DEFINE and VERIFY commands - Arithmetic expressions and NULL values - Limiting rows and substitution variables - Using SELECT statement and column aliases - Operator precedence rules - Sorting query results |
| Topic 11: Relational Database Concepts | 5% | - SQL SELECT clauses and ERD components - Relational database theoretical and physical aspects - Relationship between database and SQL |
Oracle Database 23ai SQL Associate Sample Questions:
1. Which type of join includes rows that do not have matching values in the joined table?
A) CROSS JOIN
B) INNER JOIN
C) SELF JOIN
D) OUTER JOIN
2. Which function is used to extract the year from a date in SQL?
A) GET_YEAR(date)
B) EXTRACT(YEAR FROM date)
C) YEAR(date)
D) TO_YEAR(date)
3. Which clause is used to allow a user to grant a privilege to others?
A) WITH ADMIN OPTION
B) WITH SHARE OPTION
C) WITH GRANT OPTION
D) WITH SELECT OPTION
4. Which command creates a new role in Oracle Database?
A) ADD ROLE role_name;
B) CREATE NEW ROLE role_name;
C) CREATE ROLE role_name;
5. Which SQL keyword is used to define a substitution variable in a SQL statement?
A) SUBSTITUTION
B) VAR
C) SET
D) DEFINE
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: B | Question # 3 Answer: C | Question # 4 Answer: C | Question # 5 Answer: D |


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