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Oracle 1Z0-171 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Managing Indexes, Synonyms, Sequences | 5% | - Create and manage sequences - Create and manage synonyms - Create and manage indexes |
| Data Dictionary and Time Zones | 5% | - Using data dictionary views - CURRENT_DATE, CURRENT_TIMESTAMP, LOCALTIMESTAMP - INTERVAL data types |
| Managing Tables with DML | 5% | - Multi-table INSERT and MERGE statements - INSERT, UPDATE, DELETE operations - Transaction management and control |
| Displaying Data from Multiple Tables | 10% | - Cartesian products - Different types of joins: equijoin, non-equijoin, outer join, self-join |
| Controlling User Access | 5% | - Roles creation and privilege assignment - Granting privileges on tables - System vs object privileges |
| Using Subqueries | 5% | - Single-row and multi-row subqueries - Correlated subqueries for update and delete |
| Relational Database Concepts | 5% | - Relationship between database and SQL - SQL SELECT clauses and ERD components - Relational database theoretical and physical aspects |
| Retrieving and Sorting Data | 15% | - Using SELECT statement and column aliases - Sorting query results - DEFINE and VERIFY commands - Operator precedence rules - Arithmetic expressions and NULL values - Limiting rows and substitution variables - Operators, literals, DISTINCT keyword |
| Using Functions | 25% | - Date arithmetic and date functions - Nested functions - Data type conversion: implicit and explicit - NVL, NULLIF, COALESCE functions - Restricting group results - Character functions for string manipulation - Group functions and grouping data - TO_CHAR, TO_NUMBER, TO_DATE conversion functions - ROUND, TRUNC, MOD functions |
| Using SET Operators | 5% | - Matching SELECT statements - Using ORDER BY with set operations - UNION, UNION ALL, INTERSECT, MINUS operators |
| DDL for Tables and Relationships | 15% | - TRUNCATE TABLE statement - Table structure, columns, data types - Constraints management - Views management - CREATE TABLE statement - Temporary and external tables - Drop columns, set unused columns |
Oracle Database 23ai SQL Associate Sample Questions:
1. Which SQL statement is used to insert a new row into a table?
A) UPDATE
B) SELECT
C) INSERT
D) ALTER
2. Which type of join includes rows that do not have matching values in the joined table?
A) SELF JOIN
B) OUTER JOIN
C) CROSS JOIN
D) INNER JOIN
3. What is the primary purpose of an index in SQL?
A) To enforce data integrity constraints
B) To improve the performance of data retrieval queries
C) To ensure uniqueness of values in a column
D) To store metadata about a table
4. Which SET operator returns rows from the first query that are not present in the second query?
A) UNION ALL
B) UNION
C) INTERSECT
D) MINUS
5. Which of the following is an example of an object privilege?
A) DROP DATABASE
B) CREATE TABLE
C) ALTER USER
D) SELECT ON table_name
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: B | Question # 3 Answer: B | Question # 4 Answer: D | Question # 5 Answer: D |
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