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| Section | Objectives |
|---|---|
| Topic 1: Using DML Statements | - Update rows in a table - Delete rows from a table - Control transactions - Use the MERGE statement - Insert rows into a table |
| Topic 2: Using SELECT Statements | - Execute a basic SELECT statement - Use the WHERE clause to restrict rows - Use the FETCH clause to limit rows returned - Use the ORDER BY clause to sort rows |
| Topic 3: Controlling User Access | - Grant and revoke privileges - Differentiate system privileges from object privileges - Create and manage roles |
| Topic 4: Using DDL Statements | - Create and manage indexes - Create and manage views - Create and manage sequences - Create and manage tables - Create and manage constraints |
| Topic 5: Using Joins | - Use cross joins - Use equijoins and non-equijoins - Use self-joins - Use outer joins (LEFT, RIGHT, FULL) |
| Topic 6: Using Subqueries | - Use single-row subqueries - Use multiple-row subqueries - Use correlated subqueries |
| Topic 7: Using SQL Functions | - Use character, number, and date functions in SELECT statements - Use conversion functions |
| Topic 8: Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators |
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NEW QUESTION # 52
What will the following SQL query do?
UPDATE employees
SET salary = salary * 1.1
WHERE department_id = 10;
Answer: A
NEW QUESTION # 53
Which data dictionary view provides information about all tables accessible to the current user?
Answer: D
NEW QUESTION # 54
What is the result of using the following SQL query?
SELECT 100 + NULL AS result;
Answer: B
NEW QUESTION # 55
What happens when the maximum value of a sequence is reached?
Answer: A
NEW QUESTION # 56
Which of the following ensures that a relational database enforces data integrity?
Answer: D
NEW QUESTION # 57
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