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Oracle 1Z0-171 Exam Syllabus Topics:

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

Oracle Database 23ai SQL Associate Sample Questions:

1. Which INTERVAL data type would you use to store a period of time in years and months?

A) INTERVAL DAY TO SECOND
B) INTERVAL MINUTE TO HOUR
C) INTERVAL YEAR TO MONTH
D) INTERVAL MONTH TO DAY


2. Which command grants a user the ability to query data from a specific table?

A) GRANT ALL ON table_name TO user_name;
B) ALLOW SELECT ON table_name TO user_name;
C) GRANT SELECT ON table_name TO user_name;
D) ENABLE SELECT ON table_name TO user_name;


3. Which data dictionary view lists all indexes created by the current user?

A) ALL_INDEXES
B) DBA_INDEXES
C) INDEX_LIST
D) USER_INDEXES


4. Which of the following SET operators combines results from two queries and removes duplicates?

A) INTERSECT
B) UNION ALL
C) UNION
D) MINUS


5. Which component of an ERD (Entity-Relationship Diagram) represents the attributes of an entity?

A) Rectangles
B) Arrows
C) Diamonds
D) Ovals


Solutions:

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

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