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Oracle 1Z1-171 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Using SQL Functions | - Use character, number, and date functions in SELECT statements - Use conversion functions |
| Controlling User Access | - Create and manage roles - Grant and revoke privileges - Differentiate system privileges from object privileges |
| Using Set Operators | - Use UNION, UNION ALL, INTERSECT, and MINUS operators |
| Using Subqueries | - Use correlated subqueries - Use single-row subqueries - Use multiple-row subqueries |
| Using Joins | - Use self-joins - Use cross joins - Use equijoins and non-equijoins - Use outer joins (LEFT, RIGHT, FULL) |
| 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 |
| Using DML Statements | - Insert rows into a table - Use the MERGE statement - Update rows in a table - Delete rows from a table - Control transactions |
| Using DDL Statements | - Create and manage tables - Create and manage constraints - Create and manage indexes - Create and manage views - Create and manage sequences |
Oracle Database 23ai SQL Associate Sample Questions:
1. Which of the following is true about foreign key constraints in SQL?
A) They define a relationship between two tables.
B) They ensure that a column only contains NULL values.
C) They enforce the uniqueness of values in a column.
2. Which of the following best describes a relational database?
A) A database where all data is stored as key-value pairs
B) A flat file system with no defined relationships between data
C) A database that uses a tabular structure with rows and columns to represent relationships between data entities
D) A database that organizes data hierarchically
3. What will the following SQL query do?
UPDATE employees
SET salary = salary * 1.1
WHERE department_id = 10;
A) Increase the salary of employees in department 10 by 10%
B) Set the salary to 1.1 for employees in department 10
C) Increase the salary of all employees by 10%
D) Decrease the salary of employees in department 10 by 10%
4. Which type of INSERT statement allows inserting rows into multiple tables using a single SELECT query?
A) Insert rows into multiple tables without conditions
B) Insert rows into a table only when a condition is met
C) Insert rows into a single table based on values in other tables
D) Insert rows into multiple tables simultaneously
5. Which command is used to add a new column to an existing table?
A) ALTER TABLE
B) MODIFY COLUMN
C) ADD COLUMN
D) ALTER COLUMN
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: C | Question # 3 Answer: A | Question # 4 Answer: D | Question # 5 Answer: A |
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