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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Restricting and Sorting Data | 15% | - WHERE clause and filtering conditions - ORDER BY clause and sorting rules - Substitution variables, DEFINE and VERIFY commands - Operator precedence |
| Topic 2: Manipulating Data and Managing Transactions | - Multi-table inserts - INSERT, UPDATE, DELETE, MERGE statements - Transaction control: COMMIT, ROLLBACK, SAVEPOINT | |
| Topic 3: Managing Indexes, Synonyms and Sequences | - Create and use sequences - Create and use synonyms - Create and maintain indexes | |
| Topic 4: Relational Database Concepts | 10% | - Relationship between database and SQL - Theoretical and physical aspects of relational databases - ERD and SQL statement mapping |
| Topic 5: Using SET Operators | - UNION, UNION ALL, INTERSECT, MINUS operators - Ordering results with set operations | |
| Topic 6: Using Single-Row Functions to Customize Output | 20% | - Nested functions usage - Character, number, and date functions |
| Topic 7: Displaying Data from Multiple Tables | 15% | - Self-joins and outer joins - Cartesian products - Equijoins and non-equijoins |
| Topic 8: Managing Tables and Constraints | - Temporary and external tables - Data types, creating/altering/dropping tables - Constraints: primary key, foreign key, unique, check, not null | |
| Topic 9: Using Data Dictionary Views | - Retrieve metadata and object information | |
| Topic 10: Using Subqueries to Solve Queries | - Single-row and multi-row subqueries - Correlated subqueries for update/delete | |
| Topic 11: Retrieving Data Using SQL SELECT Statement | 20% | - Column aliases, concatenation, literals and DISTINCT - Arithmetic operations and NULL handling - SELECT statement syntax and usage |
| Topic 12: Managing Views | - Create, modify and drop views - Updatable and read-only views | |
| Topic 13: Working with Time Zones and Date/Time Data | - TIMESTAMP, INTERVAL data types - Time zone conversion functions | |
| Topic 14: Conversion Functions and Conditional Expressions | 10% | - TO_CHAR, TO_NUMBER, TO_DATE functions - NVL, NULLIF, COALESCE and CASE expressions - Implicit and explicit data type conversion |
| Topic 15: Aggregating Data Using Group Functions | 10% | - GROUP BY and HAVING clauses - SUM, AVG, COUNT, MAX, MIN functions - Handling NULLs in group functions |
| Topic 16: Controlling User Access | - Roles, granting and revoking privileges - System and object privileges |
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NEW QUESTION # 318
Which three arithmetic operations can be performed on a column by using a SQL function that is built into Oracle database? (Choose three.)
Answer: C,D,E
NEW QUESTION # 319
Examine this partial statement:
Which is true?
Answer: B
Explanation:
Explanation/Reference: http://dcx.sybase.com/1200/en/dbusage/ug-subquery-s-4318996.html
NEW QUESTION # 320
Which two statements are true regarding the COUNT function? (Choose two.)
Answer: B,C
NEW QUESTION # 321
Examine the description of the countries table:
Examine the description of the departments table:
Examine the description of the locations table:
Which two queries will return a list of countries with no departments?
Answer: B,C
NEW QUESTION # 322
View the Exhibit and examine the structure of the BOOKStable.
The BOOKS table contains details of 100 books.
Examine the commands executed and their outcome:
Which statement is true?
Answer: A
NEW QUESTION # 323
......
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