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Oracle 1Z1-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Using SQL Functions | - Use conversion functions - Use character, number, and date functions in SELECT statements |
| Using DDL Statements | - Create and manage indexes - Create and manage constraints - Create and manage tables - Create and manage sequences - Create and manage views |
| Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators |
| Using Joins | - Use outer joins (LEFT, RIGHT, FULL) - Use self-joins - Use equijoins and non-equijoins - Use cross joins |
| 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 |
| Controlling User Access | - Grant and revoke privileges - Create and manage roles - Differentiate system privileges from object privileges |
| Using Subqueries | - Use multiple-row subqueries - Use correlated subqueries - Use single-row subqueries |
| Using DML Statements | - Insert rows into a table - Control transactions - Update rows in a table - Delete rows from a table - Use the MERGE statement |
Oracle Database 23ai SQL Associate Sample Questions:
1. How can a synonym benefit database design?
A) It allows the renaming of columns in a table.
B) It enforces constraints on table columns.
C) It improves query execution time.
D) It provides a consistent reference to database objects, even if their underlying names change.
2. How can you ensure that data is sorted in descending order in a SQL query?
A) Use the ASC keyword
B) Use the ORDER keyword
C) Use the DISTINCT keyword
D) Use the DESC keyword
3. What is the result of using the following SQL query?
SELECT 100 + NULL AS result;
A) An error
B) 100
C) NULL
D) 0
4. How is the LOCALTIMESTAMP function different from CURRENT_TIMESTAMP?
A) LOCALTIMESTAMP omits time zone information, while CURRENT_TIMESTAMP includes it.
B) LOCALTIMESTAMP returns only the date, while CURRENT_TIMESTAMP returns the date and time.
C) Both functions are identical in output.
D) LOCALTIMESTAMP does not include fractional seconds, while CURRENT_TIMESTAMP does.
5. Which type of privilege allows a user to perform administrative tasks, such as creating other users?
A) Object privilege
B) Table privilege
C) System privilege
D) Schema privilege
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: D | Question # 3 Answer: C | Question # 4 Answer: A | Question # 5 Answer: C |
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