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| Section | Weight | Objectives |
|---|---|---|
| Retrieving Data Using the SQL SELECT Statement | 5% | - Differentiate between SQL statements and SQL*Plus commands - Execute a basic SELECT statement - List the capabilities of SQL SELECT statements |
| Working with Oracle Database SQL | 8% | - Describe the Oracle Database architecture - Start up and shut down a database - Explain the installation of Oracle Database software - Create a container database |
| Creating Other Schema Objects | 10% | - Create synonyms for database objects - Create, maintain, and use sequences - Create, modify, and retrieve data from a view - Create and maintain indexes |
| Using Single-Row Functions to Customize Output | 10% | - Manipulate numbers with the ROUND, TRUNC, and MOD functions - Perform arithmetic with date data - Manipulate strings with character function in the SELECT and WHERE clauses - Manipulate dates with the date functions - Describe the differences between single-row and multiple-row functions |
| Manipulating Data | 14% | - Delete rows from a table - Control transactions - Update rows in a table - Insert rows into a table - Describe each data manipulation language (DML) statement |
| Restricting and Sorting Data | 6% | - 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 - Use DEFINE and UNDEFINE commands |
| 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 - Apply the NVL, NULLIF, and COALESCE functions to data - Use conditional IF THEN ELSE logic in a SELECT statement |
| Using DDL Statements to Create and Manage Tables | 14% | - Categorize the main database objects - Alter table definitions - Describe the data types that are available for columns - Review the table structure - Create a simple table - Drop, rename, and truncate tables |
| Using Set Operators | 5% | - Describe set operators - Describe the order of precedence when the set operators are used - Use a set operator to combine multiple queries into a single query |
| Controlling User Access | 5% | - Grant privileges on tables and on a view - Differentiate system privileges from object privileges - Distinguish between granting privileges and roles |
| Displaying Data from Multiple Tables Using Joins | 15% | - Join a table to itself by using a self-join - View data that does not meet a join condition by using outer joins - Cross join tables - Write SELECT statements to access data from more than one table using equijoins and non-equijoins |
| Reporting Aggregated Data Using Group Functions | 15% | - Identify the available group functions - Describe the use of group functions - Group data by using the GROUP BY clause - Include or exclude grouped rows by using the HAVING clause |
| Using Subqueries to Solve Queries | 15% | - Write single-row and multi-row subqueries - Define subqueries - List the types of subqueries - Describe the types of problems that subqueries can solve |
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問題 #81
View the Exhibit and examine the details of the PRODUCT_INFORMATION table. (Choose two.)
Evaluate this SQL statement:
SELECT TO_CHAR (list_price, '$9,999')
From product_information;
Which two statements are true regarding the output?
答案：A,B
問題 #82
SCOTTis a user in the database.
Evaluate the commands issued by the DBA:
Which statement is true regarding the execution of the above commands?
答案：B
問題 #83
Which two statements are true about the ORDER BYclause when used with a SQL statement containing a SET operator such as UNION? (Choose two.)
答案：D,E
問題 #84
Examine the ORDER _ITEms table:
Which two queries return rows where QUANTITY is a multiple of ten?
答案：B,D
問題 #85
Which statement is true regarding external tables?
答案：B
解題說明：
Explanation
References:
https://docs.oracle.com/cd/B28359_01/server.111/b28310/tables013.htm
問題 #86
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