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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Using Set Operators | 5% | - Use a set operator to combine multiple queries into a single query - Describe set operators - Describe the order of precedence when the set operators are used |
| Topic 2: Using Single-Row Functions to Customize Output | 10% | - Perform arithmetic with date data - Manipulate dates with the date functions - Describe the differences between single-row and multiple-row functions - Manipulate numbers with the ROUND, TRUNC, and MOD functions - Manipulate strings with character function in the SELECT and WHERE clauses |
| Topic 3: Reporting Aggregated Data Using Group Functions | 15% | - Group data by using the GROUP BY clause - Describe the use of group functions - Identify the available group functions - Include or exclude grouped rows by using the HAVING clause |
| Topic 4: Manipulating Data | 14% | - Update rows in a table - Control transactions - Delete rows from a table - Describe each data manipulation language (DML) statement - Insert rows into a table |
| Topic 5: Controlling User Access | 5% | - Differentiate system privileges from object privileges - Distinguish between granting privileges and roles - Grant privileges on tables and on a view |
| Topic 6: Retrieving Data Using the SQL SELECT Statement | 5% | - List the capabilities of SQL SELECT statements - Differentiate between SQL statements and SQL*Plus commands - Execute a basic SELECT statement |
| Topic 7: Displaying Data from Multiple Tables Using Joins | 15% | - Join a table to itself by using a self-join - Cross join tables - Write SELECT statements to access data from more than one table using equijoins and non-equijoins - View data that does not meet a join condition by using outer joins |
| Topic 8: Using Subqueries to Solve Queries | 15% | - Describe the types of problems that subqueries can solve - List the types of subqueries - Write single-row and multi-row subqueries - Define subqueries |
| Topic 9: Using Conversion Functions and Conditional Expressions | 10% | - Use conditional IF THEN ELSE logic in a SELECT statement - Apply the NVL, NULLIF, and COALESCE functions to data - Describe implicit and explicit data type conversion - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions |
| Topic 10: Creating Other Schema Objects | 10% | - Create, modify, and retrieve data from a view - Create, maintain, and use sequences - Create synonyms for database objects - Create and maintain indexes |
| Topic 11: Using DDL Statements to Create and Manage Tables | 14% | - Review the table structure - Describe the data types that are available for columns - Categorize the main database objects - Create a simple table - Drop, rename, and truncate tables - Alter table definitions |
| Topic 12: Working with Oracle Database SQL | 8% | - Create a container database - Describe the Oracle Database architecture - Start up and shut down a database - Explain the installation of Oracle Database software |
| Topic 13: Restricting and Sorting Data | 6% | - Use ampersand substitution to restrict and sort output at runtime - Sort the rows that are retrieved by a query - Use DEFINE and UNDEFINE commands - Limit the rows that are retrieved by a query |
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NEW QUESTION # 283
Examine the description of the ORDER_ITEMS table:
Examine this incomplete query:
SELECT DISTINCT quantity * unit_price total_paid FROM order_items ORDER BY <clause>; Which two can replace <clause> so the query completes successfully?
Answer: B,C
NEW QUESTION # 284
Evaluate the following CREATE SEQUENCEstatement:
CREATE SEQUENCE seq1
START WITH 100
INCREMENT BY 10
MAXVALUE 200
CYCLE
NOCACHE;
The sequence SEQ1has generated numbers up to the maximum limit of 200. You issue the following SQL statement:
SELECT seq1.nextval FROM dual;
What is displayed by the SELECTstatement?
Answer: D
NEW QUESTION # 285
Evaluate the following statement.
Which statement is true regarding the evaluation of rows returned by the subquery in the INSERT statement?
Answer: C
NEW QUESTION # 286
Which two actions can you perform with object privileges?
Answer: B,E
Explanation:
Regarding object privileges in an Oracle database:
* B. Delete rows from tables in any schema except sys: Object privileges include DELETE on tables, which can be granted by the owner of the table or a user with adequate privileges, excluding system schemas like SYS due to their critical role.
* E. Execute a procedure or function in another schema: EXECUTE is a specific object privilege that can be granted on procedures and functions, allowing users to run these objects in schemas other than their own.
Incorrect options:
* A: Creation of roles is related to system privileges, not object privileges.
* C: Setting default and temporary tablespaces for a user involves system-level operations, not object-level privileges.
* D: Creation of foreign key constraints involves referencing rights, which, while related, are not directly granted through object privileges but need appropriate REFERENCES permission.
NEW QUESTION # 287
View the Exhibit and examine the structure of the PROMOTIONS table.
Evaluate the following SQL statement:
Which statement is true regarding the outcome of the above query?
Answer: A
NEW QUESTION # 288
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