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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Data Dictionary and Time Zones | 5% | - CURRENT_DATE, CURRENT_TIMESTAMP, LOCALTIMESTAMP - Using data dictionary views - INTERVAL data types |
| Topic 2: Controlling User Access | 5% | - System vs object privileges - Roles creation and privilege assignment - Granting privileges on tables |
| Topic 3: Displaying Data from Multiple Tables | 10% | - Cartesian products - Different types of joins: equijoin, non-equijoin, outer join, self-join |
| Topic 4: Using Subqueries | 5% | - Correlated subqueries for update and delete - Single-row and multi-row subqueries |
| Topic 5: Relational Database Concepts | 5% | - Relational database theoretical and physical aspects - SQL SELECT clauses and ERD components - Relationship between database and SQL |
| Topic 6: Managing Tables with DML | 5% | - Multi-table INSERT and MERGE statements - INSERT, UPDATE, DELETE operations - Transaction management and control |
| Topic 7: DDL for Tables and Relationships | 15% | - Table structure, columns, data types - Views management - Drop columns, set unused columns - CREATE TABLE statement - TRUNCATE TABLE statement - Temporary and external tables - Constraints management |
| Topic 8: Using Functions | 25% | - NVL, NULLIF, COALESCE functions - Group functions and grouping data - Data type conversion: implicit and explicit - Character functions for string manipulation - Date arithmetic and date functions - ROUND, TRUNC, MOD functions - TO_CHAR, TO_NUMBER, TO_DATE conversion functions - Nested functions - Restricting group results |
| Topic 9: Managing Indexes, Synonyms, Sequences | 5% | - Create and manage synonyms - Create and manage sequences - Create and manage indexes |
| Topic 10: Using SET Operators | 5% | - Matching SELECT statements - Using ORDER BY with set operations - UNION, UNION ALL, INTERSECT, MINUS operators |
| Topic 11: Retrieving and Sorting Data | 15% | - Arithmetic expressions and NULL values - Operator precedence rules - Operators, literals, DISTINCT keyword - Using SELECT statement and column aliases - DEFINE and VERIFY commands - Sorting query results - Limiting rows and substitution variables |
The Oracle Database 23ai SQL Associate (1Z0-171) study material of GetValidTest is available in three different and easy-to-access formats. The first one is printable and portable Oracle Database 23ai SQL Associate (1Z0-171) PDF format. With the PDF version, you can access the collection of actual Oracle 1Z0-171 Questions with your smart devices like smartphones, tablets, and laptops.
NEW QUESTION # 36
Which statement can be used to undo changes made in a transaction?
Answer: A
NEW QUESTION # 37
What is the primary purpose of an index in SQL?
Answer: B
NEW QUESTION # 38
Which command grants a user the ability to query data from a specific table?
Answer: B
NEW QUESTION # 39
How does SQL handle NULL values in arithmetic expressions?
Answer: D
NEW QUESTION # 40
In a relational database, what is a foreign key?
Answer: C
NEW QUESTION # 41
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