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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Managing Indexes, Synonyms, Sequences | 5% | - Create and manage synonyms - Create and manage indexes - Create and manage sequences |
| Topic 2: Retrieving and Sorting Data | 15% | - Limiting rows and substitution variables - Using SELECT statement and column aliases - Operator precedence rules - Sorting query results - DEFINE and VERIFY commands - Arithmetic expressions and NULL values - Operators, literals, DISTINCT keyword |
| Topic 3: Data Dictionary and Time Zones | 5% | - INTERVAL data types - CURRENT_DATE, CURRENT_TIMESTAMP, LOCALTIMESTAMP - Using data dictionary views |
| Topic 4: Controlling User Access | 5% | - System vs object privileges - Roles creation and privilege assignment - Granting privileges on tables |
| Topic 5: DDL for Tables and Relationships | 15% | - TRUNCATE TABLE statement - Table structure, columns, data types - Temporary and external tables - CREATE TABLE statement - Constraints management - Views management - Drop columns, set unused columns |
| Topic 6: Using Subqueries | 5% | - Correlated subqueries for update and delete - Single-row and multi-row subqueries |
| Topic 7: Displaying Data from Multiple Tables | 10% | - Cartesian products - Different types of joins: equijoin, non-equijoin, outer join, self-join |
| Topic 8: Managing Tables with DML | 5% | - Multi-table INSERT and MERGE statements - INSERT, UPDATE, DELETE operations - Transaction management and control |
| Topic 9: Using Functions | 25% | - Character functions for string manipulation - ROUND, TRUNC, MOD functions - Nested functions - Restricting group results - Data type conversion: implicit and explicit - Date arithmetic and date functions - Group functions and grouping data - TO_CHAR, TO_NUMBER, TO_DATE conversion functions - NVL, NULLIF, COALESCE functions |
| Topic 10: Relational Database Concepts | 5% | - Relational database theoretical and physical aspects - SQL SELECT clauses and ERD components - Relationship between database and SQL |
| Topic 11: Using SET Operators | 5% | - UNION, UNION ALL, INTERSECT, MINUS operators - Using ORDER BY with set operations - Matching SELECT statements |
CertkingdomPDF is a leading provider of top-quality Oracle Database 23ai SQL Associate (1Z1-171) preparation material for the 1Z1-171 test. Our Oracle Database 23ai SQL Associate (1Z1-171) exam questions are designed to help customers get success on the first try. These latest Oracle 1Z1-171 Questions are the result of extensive research by a team of professionals with years of experience.
NEW QUESTION # 19
What is a SELF JOIN in SQL?
Answer: C
NEW QUESTION # 20
Which Oracle SQL function returns the current date and time, including time zone information?
Answer: A
NEW QUESTION # 21
The column data type is converted to a primary key.
Answer: A
NEW QUESTION # 22
Which component of an ERD (Entity-Relationship Diagram) represents the attributes of an entity?
Answer: D
NEW QUESTION # 23
What does the following query return?
SELECT ROUND(123.456, 1) AS rounded_value FROM dual;
Answer: D
NEW QUESTION # 24
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