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| Section | Objectives |
|---|---|
| Topic 1: Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators |
| Topic 2: Using SQL Functions | - Use character, number, and date functions in SELECT statements - Use conversion functions |
| Topic 3: Using Subqueries | - Use single-row subqueries - Use correlated subqueries - Use multiple-row subqueries |
| Topic 4: Using SELECT Statements | - Use the WHERE clause to restrict rows - Use the FETCH clause to limit rows returned - Use the ORDER BY clause to sort rows - Execute a basic SELECT statement |
| Topic 5: Controlling User Access | - Grant and revoke privileges - Create and manage roles - Differentiate system privileges from object privileges |
| Topic 6: Using DDL Statements | - Create and manage sequences - Create and manage constraints - Create and manage indexes - Create and manage views - Create and manage tables |
| Topic 7: Using DML Statements | - Delete rows from a table - Insert rows into a table - Use the MERGE statement - Control transactions - Update rows in a table |
| Topic 8: Using Joins | - Use cross joins - Use self-joins - Use outer joins (LEFT, RIGHT, FULL) - Use equijoins and non-equijoins |
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NEW QUESTION # 40
What is the purpose of a correlated subquery?
Answer: D
NEW QUESTION # 41
Which command is used to add a new column to an existing table?
Answer: C
NEW QUESTION # 42
What is the difference between UNION and UNION ALL?
Answer: A
NEW QUESTION # 43
Which clause can be used with SET operators to sort the final result set?
Answer: B
NEW QUESTION # 44
Which command grants a user the ability to query data from a specific table?
Answer: C
NEW QUESTION # 45
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