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| Section | Weight | Objectives |
|---|---|---|
| Using SET Operators | 5% | - Using ORDER BY with set operations - Matching SELECT statements - UNION, UNION ALL, INTERSECT, MINUS operators |
| Controlling User Access | 5% | - System vs object privileges - Granting privileges on tables - Roles creation and privilege assignment |
| Managing Indexes, Synonyms, Sequences | 5% | - Create and manage synonyms - Create and manage indexes - Create and manage sequences |
| Displaying Data from Multiple Tables | 10% | - Cartesian products - Different types of joins: equijoin, non-equijoin, outer join, self-join |
| Retrieving and Sorting Data | 15% | - Using SELECT statement and column aliases - Operators, literals, DISTINCT keyword - Operator precedence rules - Sorting query results - DEFINE and VERIFY commands - Limiting rows and substitution variables - Arithmetic expressions and NULL values |
| Managing Tables with DML | 5% | - INSERT, UPDATE, DELETE operations - Multi-table INSERT and MERGE statements - Transaction management and control |
| Relational Database Concepts | 5% | - SQL SELECT clauses and ERD components - Relational database theoretical and physical aspects - Relationship between database and SQL |
| Using Functions | 25% | - ROUND, TRUNC, MOD functions - Data type conversion: implicit and explicit - Character functions for string manipulation - Date arithmetic and date functions - TO_CHAR, TO_NUMBER, TO_DATE conversion functions - Nested functions - Restricting group results - Group functions and grouping data - NVL, NULLIF, COALESCE functions |
| Using Subqueries | 5% | - Single-row and multi-row subqueries - Correlated subqueries for update and delete |
| DDL for Tables and Relationships | 15% | - Temporary and external tables - TRUNCATE TABLE statement - Constraints management - Views management - CREATE TABLE statement - Table structure, columns, data types - Drop columns, set unused columns |
| Data Dictionary and Time Zones | 5% | - Using data dictionary views - CURRENT_DATE, CURRENT_TIMESTAMP, LOCALTIMESTAMP - INTERVAL data types |
>> Exam Oracle 1Z0-171 Syllabus <<
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NEW QUESTION # 54
Which INTERVAL data type would you use to store a period of time in years and months?
Answer: A
NEW QUESTION # 55
What will the following query return?
SELECT EXTRACT(YEAR FROM CURRENT_DATE) AS year FROM dual;
Answer: A
NEW QUESTION # 56
Which function is used to convert a string to uppercase in SQL?
Answer: C
NEW QUESTION # 57
Which type of subquery returns exactly one value?
Answer: A
NEW QUESTION # 58
The column data type is converted to a primary key.
Answer: C
NEW QUESTION # 59
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