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| Section | Objectives |
|---|---|
| Topic 1: Using SELECT Statements | - Use the WHERE clause to restrict rows - Use the ORDER BY clause to sort rows - Use the FETCH clause to limit rows returned - Execute a basic SELECT statement |
| Topic 2: Using Subqueries | - Use single-row subqueries - Use multiple-row subqueries - Use correlated subqueries |
| Topic 3: Using Joins | - Use outer joins (LEFT, RIGHT, FULL) - Use self-joins - Use cross joins - Use equijoins and non-equijoins |
| Topic 4: Using SQL Functions | - Use conversion functions - Use character, number, and date functions in SELECT statements |
| Topic 5: Using DDL Statements | - Create and manage sequences - Create and manage views - Create and manage constraints - Create and manage tables - Create and manage indexes |
| Topic 6: Controlling User Access | - Grant and revoke privileges - Differentiate system privileges from object privileges - Create and manage roles |
| Topic 7: Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators |
| Topic 8: Using DML Statements | - Control transactions - Update rows in a table - Use the MERGE statement - Insert rows into a table - Delete rows from a table |
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NEW QUESTION # 92
Which SQLPlus command displays defined substitution variable values?
Answer: C
NEW QUESTION # 93
Which command would drop an index from a table?
Answer: A
NEW QUESTION # 94
Which Oracle SQL function returns the current date and time, including time zone information?
Answer: A
NEW QUESTION # 95
Which INTERVAL data type would you use to store a period of time in years and months?
Answer: B
NEW QUESTION # 96
What does the following SQL statement do?
SELECT e.employee_id, d.department_name
FROM employees e
JOIN departments d ON e.department_id = d.department_id;
Answer: C
NEW QUESTION # 97
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