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| Section | Weight | Objectives |
|---|---|---|
| Managing Tables with DML | 5% | - Transaction management and control - INSERT, UPDATE, DELETE operations - Multi-table INSERT and MERGE statements |
| Relational Database Concepts | 5% | - Relational database theoretical and physical aspects - SQL SELECT clauses and ERD components - Relationship between database and SQL |
| Using Functions | 25% | - Restricting group results - Date arithmetic and date functions - TO_CHAR, TO_NUMBER, TO_DATE conversion functions - Group functions and grouping data - Data type conversion: implicit and explicit - Character functions for string manipulation - ROUND, TRUNC, MOD functions - Nested functions - NVL, NULLIF, COALESCE functions |
| Using SET Operators | 5% | - Using ORDER BY with set operations - UNION, UNION ALL, INTERSECT, MINUS operators - Matching SELECT statements |
| Controlling User Access | 5% | - Roles creation and privilege assignment - Granting privileges on tables - System vs object privileges |
| Managing Indexes, Synonyms, Sequences | 5% | - Create and manage indexes - Create and manage sequences - Create and manage synonyms |
| Displaying Data from Multiple Tables | 10% | - Cartesian products - Different types of joins: equijoin, non-equijoin, outer join, self-join |
| Retrieving and Sorting Data | 15% | - DEFINE and VERIFY commands - Operators, literals, DISTINCT keyword - Arithmetic expressions and NULL values - Sorting query results - Using SELECT statement and column aliases - Operator precedence rules - Limiting rows and substitution variables |
| Data Dictionary and Time Zones | 5% | - Using data dictionary views - CURRENT_DATE, CURRENT_TIMESTAMP, LOCALTIMESTAMP - INTERVAL data types |
| Using Subqueries | 5% | - Correlated subqueries for update and delete - Single-row and multi-row subqueries |
| DDL for Tables and Relationships | 15% | - Temporary and external tables - Drop columns, set unused columns - CREATE TABLE statement - Table structure, columns, data types - Views management - TRUNCATE TABLE statement - Constraints management |
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NEW QUESTION # 46
What is the primary purpose of granting privileges in Oracle Database?
Answer: D
NEW QUESTION # 47
What will the following SQL query do?
UPDATE employees
SET salary = salary * 1.1
WHERE department_id = 10;
Answer: B
NEW QUESTION # 48
Which SQLPlus command displays defined substitution variable values?
Answer: C
NEW QUESTION # 49
Which of the following is true about foreign key constraints in SQL?
Answer: A
NEW QUESTION # 50
Which of the following is an example of an object privilege?
Answer: D
NEW QUESTION # 51
......
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