Exam Code: 1Z0-171
Exam Name: Oracle Database 23ai SQL Associate
Certification Provider: Oracle
Corresponding Certification: Oracle Database
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Oracle 1Z0-171 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Using SET Operators5%- Matching SELECT statements
- Using ORDER BY with set operations
- UNION, UNION ALL, INTERSECT, MINUS operators
Topic 2: Data Dictionary and Time Zones5%- Using data dictionary views
- CURRENT_DATE, CURRENT_TIMESTAMP, LOCALTIMESTAMP
- INTERVAL data types
Topic 3: Using Subqueries5%- Single-row and multi-row subqueries
- Correlated subqueries for update and delete
Topic 4: Retrieving and Sorting Data15%- Using SELECT statement and column aliases
- Operators, literals, DISTINCT keyword
- Sorting query results
- Limiting rows and substitution variables
- Operator precedence rules
- Arithmetic expressions and NULL values
- DEFINE and VERIFY commands
Topic 5: Managing Indexes, Synonyms, Sequences5%- Create and manage sequences
- Create and manage indexes
- Create and manage synonyms
Topic 6: Managing Tables with DML5%- INSERT, UPDATE, DELETE operations
- Transaction management and control
- Multi-table INSERT and MERGE statements
Topic 7: DDL for Tables and Relationships15%- Views management
- Drop columns, set unused columns
- Constraints management
- Table structure, columns, data types
- Temporary and external tables
- TRUNCATE TABLE statement
- CREATE TABLE statement
Topic 8: Displaying Data from Multiple Tables10%- Different types of joins: equijoin, non-equijoin, outer join, self-join
- Cartesian products
Topic 9: Controlling User Access5%- Roles creation and privilege assignment
- Granting privileges on tables
- System vs object privileges
Topic 10: Relational Database Concepts5%- SQL SELECT clauses and ERD components
- Relationship between database and SQL
- Relational database theoretical and physical aspects
Topic 11: Using Functions25%- ROUND, TRUNC, MOD functions
- Restricting group results
- Nested functions
- Character functions for string manipulation
- Date arithmetic and date functions
- NVL, NULLIF, COALESCE functions
- Group functions and grouping data
- TO_CHAR, TO_NUMBER, TO_DATE conversion functions
- Data type conversion: implicit and explicit

Oracle Database 23ai SQL Associate Sample Questions:

1. Which command can be used to rename a table in Oracle Database?

A) MODIFY TABLE NAME
B) RENAME TABLE
C) RENAME
D) ALTER TABLE RENAME


2. What does the following command do?
GRANT CREATE SESSION TO user_name;

A) Allows the user to create database objects
B) Allows the user to create new sessions for other users
C) Assigns the user to a specific role
D) Grants the user the ability to connect to the database


3. What is the output of the following query?
SELECT CURRENT_DATE FROM dual;

A) The current date and time in the database time zone
B) The current date in the session time zone
C) The current date in the database time zone
D) The current date and time in UTC


4. What is the result of the following SQL query?
SELECT COALESCE(NULL, 100, 200) AS result FROM dual;

A) 200
B) 300
C) NULL
D) 100


5. What will the following query do?
DELETE FROM employees
WHERE department_id = 20;

A) Raise an error because DELETE cannot use a WHERE clause
B) Delete the department_id column in the employees table
C) Delete all rows where department_id is 20
D) Delete all rows in the employees table


Solutions:

Question # 1
Answer: C
Question # 2
Answer: D
Question # 3
Answer: B
Question # 4
Answer: D
Question # 5
Answer: C

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