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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Working with Oracle Database SQL | 8% | - Start up and shut down a database - Describe the Oracle Database architecture - Create a container database - Explain the installation of Oracle Database software |
| Topic 2: Retrieving Data Using the SQL SELECT Statement | 5% | - List the capabilities of SQL SELECT statements - Execute a basic SELECT statement - Differentiate between SQL statements and SQL*Plus commands |
| Topic 3: Manipulating Data | 14% | - Delete rows from a table - Control transactions - Update rows in a table - Describe each data manipulation language (DML) statement - Insert rows into a table |
| Topic 4: Reporting Aggregated Data Using Group Functions | 15% | - Group data by using the GROUP BY clause - Include or exclude grouped rows by using the HAVING clause - Identify the available group functions - Describe the use of group functions |
| Topic 5: Controlling User Access | 5% | - Differentiate system privileges from object privileges - Grant privileges on tables and on a view - Distinguish between granting privileges and roles |
| Topic 6: Using DDL Statements to Create and Manage Tables | 14% | - Review the table structure - Create a simple table - Categorize the main database objects - Alter table definitions - Describe the data types that are available for columns - Drop, rename, and truncate tables |
| Topic 7: Displaying Data from Multiple Tables Using Joins | 15% | - Join a table to itself by using a self-join - Write SELECT statements to access data from more than one table using equijoins and non-equijoins - Cross join tables - View data that does not meet a join condition by using outer joins |
| Topic 8: Using Set Operators | 5% | - Describe the order of precedence when the set operators are used - Describe set operators - Use a set operator to combine multiple queries into a single query |
| Topic 9: Restricting and Sorting Data | 6% | - Use DEFINE and UNDEFINE commands - Limit the rows that are retrieved by a query - Sort the rows that are retrieved by a query - Use ampersand substitution to restrict and sort output at runtime |
| Topic 10: Using Single-Row Functions to Customize Output | 10% | - Manipulate numbers with the ROUND, TRUNC, and MOD functions - Describe the differences between single-row and multiple-row functions - Manipulate dates with the date functions - Perform arithmetic with date data - Manipulate strings with character function in the SELECT and WHERE clauses |
| Topic 11: Using Subqueries to Solve Queries | 15% | - List the types of subqueries - Write single-row and multi-row subqueries - Define subqueries - Describe the types of problems that subqueries can solve |
| Topic 12: Using Conversion Functions and Conditional Expressions | 10% | - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Describe implicit and explicit data type conversion - Use conditional IF THEN ELSE logic in a SELECT statement - Apply the NVL, NULLIF, and COALESCE functions to data |
| Topic 13: Creating Other Schema Objects | 10% | - Create and maintain indexes - Create, maintain, and use sequences - Create synonyms for database objects - Create, modify, and retrieve data from a view |
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NEW QUESTION # 236
Examine these statements executed in a single Oracle session:
Which three statements are true?
Answer: A,C,D
NEW QUESTION # 237
View the Exhibit and examine the structure of the SALEStable.
The following query is written to retrieve all those product IDs from the SALEStable that have more than 55000 sold and have been ordered more than 10 items.
Which statement is true regarding this SQL statement?
Answer: B
NEW QUESTION # 238
Sales data of a company is stored in two tables, SALES1and SALES2, with some data being duplicated across the tables. You want to display the results from the SALES1table, which are not present in the SALES2table.
Which set operator generates the required output?
Answer: B
Explanation:
Explanation/Reference:
References:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/queries004.htm
NEW QUESTION # 239
MANAGER is an existing role with no privileges or roles.
EMP is an existing role containing the CREATE TABLE privilege.
EMPLOYEES is an existing table in the HR schema.
Which two commands execute successfully?
Answer: A,E
Explanation:
In Oracle SQL, roles can be granted privileges and other roles, and these privileges can then be passed on to users.
* Statement A is correct: GRANT CREATE SEQUENCE TO manager, emp; successfully grants the CREATE SEQUENCE privilege to both the manager and emp roles.
* Statement E is correct: GRANT CREATE ANY SESSION, CREATE ANY TABLE TO manager; successfully grants two system privileges to the manager role.
* Statements B, C, and D are incorrect for the following reasons:
* B is incorrect because the correct syntax to grant object privileges includes separating privileges with commas, not spaces, and the object name should be in singular form (hr.employees).
* C is incorrect because you cannot grant a role and a privilege in the same statement.
* D is incorrect because the correct syntax for granting object privileges does not include the privilege CREATE TABLE before specifying the object (hr.employees).
NEW QUESTION # 240
Examine this description of the PRODUCTS table:
Rows exist in this table with data in all the columns. You put the PRODUCTS table in read-only mode. Which three commands execute successfully on PRODUCTS?
Answer: A,E,F
NEW QUESTION # 241
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