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| Section | Objectives |
|---|---|
| Topic 1: Using DML Statements | - Use the MERGE statement - Control transactions - Insert rows into a table - Update rows in a table - Delete rows from a table |
| Topic 2: Controlling User Access | - Differentiate system privileges from object privileges - Grant and revoke privileges - Create and manage roles |
| Topic 3: Using SELECT Statements | - Use the FETCH clause to limit rows returned - Use the WHERE clause to restrict rows - Execute a basic SELECT statement - Use the ORDER BY clause to sort rows |
| Topic 4: Using Joins | - Use self-joins - Use equijoins and non-equijoins - Use cross joins - Use outer joins (LEFT, RIGHT, FULL) |
| Topic 5: Using Subqueries | - Use single-row subqueries - Use multiple-row subqueries - Use correlated subqueries |
| Topic 6: Using DDL Statements | - Create and manage tables - Create and manage constraints - Create and manage views - Create and manage sequences - Create and manage indexes |
| Topic 7: Using SQL Functions | - Use conversion functions - Use character, number, and date functions in SELECT statements |
| Topic 8: Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators |
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NEW QUESTION # 89
Which type of join returns all rows from the left table, even if there are no matches in the right table?
Answer: C
NEW QUESTION # 90
Which command revokes a user's privilege to update a table?
Answer: B
NEW QUESTION # 91
Which of the following is an example of an object privilege?
Answer: D
NEW QUESTION # 92
In a relational database, what is a foreign key?
Answer: B
NEW QUESTION # 93
Which of the following SET operators combines results from two queries and removes duplicates?
Answer: A
NEW QUESTION # 94
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