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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Managing Tables with DML | 5% | - Multi-table INSERT and MERGE statements - INSERT, UPDATE, DELETE operations - Transaction management and control |
| Topic 2: Relational Database Concepts | 5% | - Relational database theoretical and physical aspects - SQL SELECT clauses and ERD components - Relationship between database and SQL |
| Topic 3: Using Subqueries | 5% | - Correlated subqueries for update and delete - Single-row and multi-row subqueries |
| Topic 4: Controlling User Access | 5% | - Roles creation and privilege assignment - System vs object privileges - Granting privileges on tables |
| Topic 5: Using SET Operators | 5% | - Matching SELECT statements - UNION, UNION ALL, INTERSECT, MINUS operators - Using ORDER BY with set operations |
| Topic 6: Displaying Data from Multiple Tables | 10% | - Cartesian products - Different types of joins: equijoin, non-equijoin, outer join, self-join |
| Topic 7: Data Dictionary and Time Zones | 5% | - INTERVAL data types - CURRENT_DATE, CURRENT_TIMESTAMP, LOCALTIMESTAMP - Using data dictionary views |
| Topic 8: DDL for Tables and Relationships | 15% | - Temporary and external tables - Table structure, columns, data types - Drop columns, set unused columns - CREATE TABLE statement - Views management - Constraints management - TRUNCATE TABLE statement |
| Topic 9: Managing Indexes, Synonyms, Sequences | 5% | - Create and manage synonyms - Create and manage sequences - Create and manage indexes |
| Topic 10: Using Functions | 25% | - Group functions and grouping data - Data type conversion: implicit and explicit - ROUND, TRUNC, MOD functions - Restricting group results - NVL, NULLIF, COALESCE functions - Character functions for string manipulation - Nested functions - Date arithmetic and date functions - TO_CHAR, TO_NUMBER, TO_DATE conversion functions |
| Topic 11: Retrieving and Sorting Data | 15% | - Operators, literals, DISTINCT keyword - Arithmetic expressions and NULL values - Limiting rows and substitution variables - DEFINE and VERIFY commands - Sorting query results - Using SELECT statement and column aliases - Operator precedence rules |
>> Valid 1Z1-171 Exam Objectives <<
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NEW QUESTION # 16
What is the purpose of the SAVEPOINT statement?
Answer: A
NEW QUESTION # 17
Which type of join returns all rows from the left table, even if there are no matches in the right table?
Answer: C
NEW QUESTION # 18
What happens when the TRUNCATE TABLE statement is executed?
Answer: C
NEW QUESTION # 19
Which type of join retrieves only the rows with matching values in both tables?
Answer: A
NEW QUESTION # 20
What is the result of the following SQL query?
SELECT COALESCE(NULL, 100, 200) AS result FROM dual;
Answer: C
NEW QUESTION # 21
......
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