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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Using DDL Statements to Create and Manage Tables | 14% | - Review the table structure - Drop, rename, and truncate tables - Create a simple table - Categorize the main database objects - Alter table definitions - Describe the data types that are available for columns |
| Topic 2: Restricting and Sorting Data | 6% | - Use DEFINE and UNDEFINE commands - Sort the rows that are retrieved by a query - Limit the rows that are retrieved by a query - Use ampersand substitution to restrict and sort output at runtime |
| Topic 3: Using Single-Row Functions to Customize Output | 10% | - Manipulate numbers with the ROUND, TRUNC, and MOD functions - Manipulate dates with the date functions - Manipulate strings with character function in the SELECT and WHERE clauses - Describe the differences between single-row and multiple-row functions - Perform arithmetic with date data |
| Topic 4: Using Set Operators | 5% | - Use a set operator to combine multiple queries into a single query - Describe the order of precedence when the set operators are used - Describe set operators |
| Topic 5: Creating Other Schema Objects | 10% | - Create and maintain indexes - Create, modify, and retrieve data from a view - Create synonyms for database objects - Create, maintain, and use sequences |
| Topic 6: 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 7: Using Conversion Functions and Conditional Expressions | 10% | - Use conditional IF THEN ELSE logic in a SELECT statement - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Apply the NVL, NULLIF, and COALESCE functions to data - Describe implicit and explicit data type conversion |
| Topic 8: Working with Oracle Database SQL | 8% | - Explain the installation of Oracle Database software - Start up and shut down a database - Describe the Oracle Database architecture - Create a container database |
| Topic 9: 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 10: 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 11: Using Subqueries to Solve Queries | 15% | - Describe the types of problems that subqueries can solve - Write single-row and multi-row subqueries - Define subqueries - List the types of subqueries |
| Topic 12: Manipulating Data | 14% | - Describe each data manipulation language (DML) statement - Delete rows from a table - Update rows in a table - Control transactions - Insert rows into a table |
| Topic 13: Retrieving Data Using the SQL SELECT Statement | 5% | - Execute a basic SELECT statement - List the capabilities of SQL SELECT statements - Differentiate between SQL statements and SQL*Plus commands |
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NEW QUESTION # 328
View the Exhibit and examine the structure of ORDERS and CUSTOMERS tables.
You executed this UPDATE statement:
Which statement is true regarding the execution? (Choose the best answer.)
Answer: A
NEW QUESTION # 329
Examine these statements executed in a single Oracle session:
Which three statements are true?
Answer: A,D,F
NEW QUESTION # 330
View the Exhibit and examine the description of the ORDERS table. (Choose two.) Which two WHERE clause conditions demonstrate the correct usage of conversion functions?
Answer: A,B
NEW QUESTION # 331
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: A,B
NEW QUESTION # 332
Which two statements are true regarding the EXISTS operator used in the correlated subqueries? (Choose two.)
Answer: A,C
Explanation:
Explanation
http://www.techonthenet.com/oracle/exists.php
NEW QUESTION # 333
......
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