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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%	- Matching SELECT statements - UNION, UNION ALL, INTERSECT, MINUS operators - Using ORDER BY with set operations
Topic 3: Controlling User Access	5%	- Granting privileges on tables - System vs object privileges - Roles creation and privilege assignment
Topic 4: Managing Tables with DML	5%	- INSERT, UPDATE, DELETE operations - Transaction management and control - Multi-table INSERT and MERGE statements
Topic 5: Relational Database Concepts	5%	- Relationship between database and SQL - Relational database theoretical and physical aspects - SQL SELECT clauses and ERD components
Topic 6: DDL for Tables and Relationships	15%	- Drop columns, set unused columns - Temporary and external tables - TRUNCATE TABLE statement - Table structure, columns, data types - CREATE TABLE statement - Views management - Constraints management
Topic 7: Using Functions	25%	- ROUND, TRUNC, MOD functions - Group functions and grouping data - TO_CHAR, TO_NUMBER, TO_DATE conversion functions - Date arithmetic and date functions - Data type conversion: implicit and explicit - Nested functions - NVL, NULLIF, COALESCE functions - Restricting group results - Character functions for string manipulation
Topic 8: Displaying Data from Multiple Tables	10%	- Cartesian products - Different types of joins: equijoin, non-equijoin, outer join, self-join
Topic 9: Managing Indexes, Synonyms, Sequences	5%	- Create and manage synonyms - Create and manage indexes - Create and manage sequences
Topic 10: Data Dictionary and Time Zones	5%	- Using data dictionary views - INTERVAL data types - CURRENT_DATE, CURRENT_TIMESTAMP, LOCALTIMESTAMP
Topic 11: Retrieving and Sorting Data	15%	- Operator precedence rules - Arithmetic expressions and NULL values - Limiting rows and substitution variables - DEFINE and VERIFY commands - Operators, literals, DISTINCT keyword - Sorting query results - Using SELECT statement and column aliases