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| Section | Objectives |
|---|---|
| Topic 1: Controlling User Access | - Grant and revoke privileges - Create and manage roles - Differentiate system privileges from object privileges |
| Topic 2: Using DML Statements | - Use the MERGE statement - Insert rows into a table - Delete rows from a table - Update rows in a table - Control transactions |
| Topic 3: Using Joins | - Use self-joins - Use equijoins and non-equijoins - Use outer joins (LEFT, RIGHT, FULL) - Use cross joins |
| Topic 4: Using SQL Functions | - Use character, number, and date functions in SELECT statements - Use conversion functions |
| Topic 5: Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators |
| Topic 6: Using SELECT Statements | - Use the ORDER BY clause to sort rows - Use the WHERE clause to restrict rows - Execute a basic SELECT statement - Use the FETCH clause to limit rows returned |
| Topic 7: Using DDL Statements | - Create and manage views - Create and manage indexes - Create and manage tables - Create and manage constraints - Create and manage sequences |
| Topic 8: Using Subqueries | - Use single-row subqueries - Use multiple-row subqueries - Use correlated subqueries |
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NEW QUESTION # 53
Which command is used to add a new column to an existing table?
Answer: D
NEW QUESTION # 54
What is the result of using the following SQL query?
SELECT 100 + NULL AS result;
Answer: A
NEW QUESTION # 55
What is a SELF JOIN in SQL?
Answer: C
NEW QUESTION # 56
Which of the following ensures that a relational database enforces data integrity?
Answer: D
NEW QUESTION # 57
How can a synonym benefit database design?
Answer: D
NEW QUESTION # 58
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