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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Managing Tables with DML | 5% | - Transaction management and control - Multi-table INSERT and MERGE statements - INSERT, UPDATE, DELETE operations |
| Topic 2: Controlling User Access | 5% | - Roles creation and privilege assignment - System vs object privileges - Granting privileges on tables |
| Topic 3: Using SET Operators | 5% | - UNION, UNION ALL, INTERSECT, MINUS operators - Using ORDER BY with set operations - Matching SELECT statements |
| Topic 4: Data Dictionary and Time Zones | 5% | - CURRENT_DATE, CURRENT_TIMESTAMP, LOCALTIMESTAMP - INTERVAL data types - Using data dictionary views |
| Topic 5: Displaying Data from Multiple Tables | 10% | - Different types of joins: equijoin, non-equijoin, outer join, self-join - Cartesian products |
| Topic 6: Retrieving and Sorting Data | 15% | - DEFINE and VERIFY commands - Using SELECT statement and column aliases - Sorting query results - Arithmetic expressions and NULL values - Operators, literals, DISTINCT keyword - Operator precedence rules - Limiting rows and substitution variables |
| Topic 7: Managing Indexes, Synonyms, Sequences | 5% | - Create and manage synonyms - Create and manage indexes - Create and manage sequences |
| Topic 8: Relational Database Concepts | 5% | - SQL SELECT clauses and ERD components - Relationship between database and SQL - Relational database theoretical and physical aspects |
| Topic 9: DDL for Tables and Relationships | 15% | - Temporary and external tables - TRUNCATE TABLE statement - CREATE TABLE statement - Drop columns, set unused columns - Table structure, columns, data types - Views management - Constraints management |
| Topic 10: Using Subqueries | 5% | - Correlated subqueries for update and delete - Single-row and multi-row subqueries |
| Topic 11: Using Functions | 25% | - Data type conversion: implicit and explicit - ROUND, TRUNC, MOD functions - TO_CHAR, TO_NUMBER, TO_DATE conversion functions - Nested functions - NVL, NULLIF, COALESCE functions - Restricting group results - Date arithmetic and date functions - Character functions for string manipulation - Group functions and grouping data |
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NEW QUESTION # 98
Which clause in a SQL SELECT statement is used to define the columns to be retrieved?
Answer: D
NEW QUESTION # 99
The column data type is converted to a primary key.
Answer: D
NEW QUESTION # 100
What is a role in Oracle Database?
Answer: B
NEW QUESTION # 101
Which of the following statements is true about constraints in Oracle Database?
Answer: A
NEW QUESTION # 102
Which Oracle SQL function returns the current date and time, including time zone information?
Answer: B
NEW QUESTION # 103
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