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Oracle 1Z0-171 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Controlling User Access | 5% | - System vs object privileges - Granting privileges on tables - Roles creation and privilege assignment |
| Topic 2: Retrieving and Sorting Data | 15% | - DEFINE and VERIFY commands - Arithmetic expressions and NULL values - Limiting rows and substitution variables - Sorting query results - Using SELECT statement and column aliases - Operators, literals, DISTINCT keyword - Operator precedence rules |
| Topic 3: Managing Indexes, Synonyms, Sequences | 5% | - Create and manage indexes - Create and manage synonyms - Create and manage sequences |
| Topic 4: Data Dictionary and Time Zones | 5% | - INTERVAL data types - CURRENT_DATE, CURRENT_TIMESTAMP, LOCALTIMESTAMP - Using data dictionary views |
| Topic 5: Using SET Operators | 5% | - Using ORDER BY with set operations - UNION, UNION ALL, INTERSECT, MINUS operators - Matching SELECT statements |
| Topic 6: Managing Tables with DML | 5% | - INSERT, UPDATE, DELETE operations - Transaction management and control - Multi-table INSERT and MERGE statements |
| Topic 7: Using Functions | 25% | - Data type conversion: implicit and explicit - Restricting group results - Character functions for string manipulation - Group functions and grouping data - TO_CHAR, TO_NUMBER, TO_DATE conversion functions - NVL, NULLIF, COALESCE functions - Date arithmetic and date functions - ROUND, TRUNC, MOD functions - Nested functions |
| Topic 8: Displaying Data from Multiple Tables | 10% | - Different types of joins: equijoin, non-equijoin, outer join, self-join - Cartesian products |
| Topic 9: Relational Database Concepts | 5% | - Relationship between database and SQL - SQL SELECT clauses and ERD components - Relational database theoretical and physical aspects |
| Topic 10: Using Subqueries | 5% | - Correlated subqueries for update and delete - Single-row and multi-row subqueries |
| Topic 11: DDL for Tables and Relationships | 15% | - Constraints management - Table structure, columns, data types - Temporary and external tables - TRUNCATE TABLE statement - CREATE TABLE statement - Views management - Drop columns, set unused columns |
Oracle Database 23ai SQL Associate Sample Questions:
1. Which of the following statements is true about constraints in Oracle Database?
A) Constraints are automatically dropped when rows are deleted.
B) Constraints cannot reference other tables.
C) Constraints can only be added when creating a table.
D) Constraints can be added or modified using the ALTER TABLE statement.
2. Which command can be used to rename a table in Oracle Database?
A) ALTER TABLE RENAME
B) RENAME TABLE
C) RENAME
D) MODIFY TABLE NAME
3. What is the output of the following query?
SELECT CURRENT_DATE FROM dual;
A) The current date and time in UTC
B) The current date in the session time zone
C) The current date and time in the database time zone
D) The current date in the database time zone
4. Which of the following is an example of an object privilege?
A) ALTER USER
B) DROP DATABASE
C) SELECT ON table_name
D) CREATE TABLE
5. Which of the following statements creates an ascending sequence starting at 100 and incrementing by 10?
A) CREATE SEQUENCE seq_1 START WITH 10 INCREMENT BY -100;
B) CREATE SEQUENCE seq_1 START WITH 100 INCREMENT BY -10;
C) CREATE SEQUENCE seq_1 START WITH 10 INCREMENT BY 100;
D) CREATE SEQUENCE seq_1 START WITH 100 INCREMENT BY 10;
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: C | Question # 3 Answer: B | Question # 4 Answer: C | Question # 5 Answer: D |
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