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Oracle 1Z1-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Using Joins | - Use self-joins - Use outer joins (LEFT, RIGHT, FULL) - Use cross joins - Use equijoins and non-equijoins |
| Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators |
| Using SELECT Statements | - Use the FETCH clause to limit rows returned - Execute a basic SELECT statement - Use the WHERE clause to restrict rows - Use the ORDER BY clause to sort rows |
| Using DML Statements | - Insert rows into a table - Control transactions - Update rows in a table - Delete rows from a table - Use the MERGE statement |
| Using SQL Functions | - Use character, number, and date functions in SELECT statements - Use conversion functions |
| Using Subqueries | - Use correlated subqueries - Use single-row subqueries - Use multiple-row subqueries |
| Using DDL Statements | - Create and manage tables - Create and manage sequences - Create and manage constraints - Create and manage views - Create and manage indexes |
| Controlling User Access | - Create and manage roles - Differentiate system privileges from object privileges - Grant and revoke privileges |
Oracle Database 23ai SQL Associate Sample Questions:
1. Which of the following is an example of an object privilege?
A) DROP DATABASE
B) SELECT ON table_name
C) CREATE TABLE
D) ALTER USER
2. How is the LOCALTIMESTAMP function different from CURRENT_TIMESTAMP?
A) LOCALTIMESTAMP omits time zone information, while CURRENT_TIMESTAMP includes it.
B) Both functions are identical in output.
C) LOCALTIMESTAMP returns only the date, while CURRENT_TIMESTAMP returns the date and time.
D) LOCALTIMESTAMP does not include fractional seconds, while CURRENT_TIMESTAMP does.
3. What is the primary purpose of a primary key in a relational database?
A) To store duplicate data in a table
B) To sort data in ascending order
C) To establish relationships between tables
D) To uniquely identify each record in a table
4. In a relational database, what is a foreign key?
A) A key used to sort data in a specific order
B) A temporary key generated during query execution
C) A key that is used to establish a relationship between two tables
D) A unique identifier for a record in a table
5. Which of the following ensures that a relational database enforces data integrity?
A) Hierarchical data organization
B) Redundant data storage
C) Indexes on all columns
D) Constraints such as primary keys, foreign keys, and unique constraints
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: A | Question # 3 Answer: D | Question # 4 Answer: C | Question # 5 Answer: D |
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