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Oracle 1Z1-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators |
| Topic 2: Using DML Statements | - Delete rows from a table - Use the MERGE statement - Insert rows into a table - Control transactions - Update rows in a table |
| Topic 3: Using Subqueries | - Use correlated subqueries - Use multiple-row subqueries - Use single-row subqueries |
| Topic 4: Using SELECT Statements | - Use the WHERE clause to restrict rows - Use the ORDER BY clause to sort rows - Use the FETCH clause to limit rows returned - Execute a basic SELECT statement |
| Topic 5: Using Joins | - Use self-joins - Use outer joins (LEFT, RIGHT, FULL) - Use equijoins and non-equijoins - Use cross joins |
| Topic 6: Controlling User Access | - Create and manage roles - Grant and revoke privileges - Differentiate system privileges from object privileges |
| Topic 7: Using DDL Statements | - Create and manage indexes - Create and manage constraints - Create and manage views - Create and manage sequences - Create and manage tables |
| Topic 8: Using SQL Functions | - Use character, number, and date functions in SELECT statements - Use conversion functions |
Oracle Database 23ai SQL Associate Sample Questions:
Question 1
What does the following SQL statement do?
ALTER TABLE employees DROP COLUMN salary;
A. Deletes the employees table
B. Drops the salary column from the employees table
C. Removes duplicate rows from the employees table
D. Sets the salary column to NULL for all rows
Question 2
Which SQL function calculates the number of months between two dates?
Response:
A. MONTHS_BETWEEN
B. DATE_DIFF
C. TIME_DIFF
D. DATE_CALC
Question 3
What is the purpose of using external tables in Oracle Database?
A. To create temporary tables for session-specific data
B. To manage data stored in external files using SQL
C. To improve the performance of complex queries
D. To store backup copies of database tables
Question 4
Which clause is used to allow a user to grant a privilege to others?
A. WITH ADMIN OPTION
B. WITH GRANT OPTION
C. WITH SHARE OPTION
D. WITH SELECT OPTION
Question 5
Which SQL statement is used to create a table?
A. CREATE TABLE
B. ADD TABLE
C. INSERT
D. ALTER TABLE
Solutions:
| Question 1 Answer: B | Question 2 Answer: A | Question 3 Answer: B | Question 4 Answer: B | Question 5 Answer: A |
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