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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: 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 2: Using Subqueries to Solve Queries | 15% | - List the types of subqueries - Describe the types of problems that subqueries can solve - Define subqueries - Write single-row and multi-row subqueries |
| Topic 3: 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 4: Using Conversion Functions and Conditional Expressions | 10% | - Apply the NVL, NULLIF, and COALESCE functions to data - Describe implicit and explicit data type conversion - Use conditional IF THEN ELSE logic in a SELECT statement - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions |
| Topic 5: Reporting Aggregated Data Using Group Functions | 15% | - Group data by using the GROUP BY clause - Identify the available group functions - Describe the use of group functions - Include or exclude grouped rows by using the HAVING clause |
| Topic 6: Displaying Data from Multiple Tables Using Joins | 15% | - Write SELECT statements to access data from more than one table using equijoins and non-equijoins - Join a table to itself by using a self-join - Cross join tables - View data that does not meet a join condition by using outer joins |
| Topic 7: Manipulating Data | 14% | - Control transactions - Insert rows into a table - Update rows in a table - Describe each data manipulation language (DML) statement - Delete rows from a table |
| Topic 8: Using Single-Row Functions to Customize Output | 10% | - Manipulate numbers with the ROUND, TRUNC, and MOD 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 - Manipulate dates with the date functions |
| Topic 9: Working with Oracle Database SQL | 8% | - Create a container database - Explain the installation of Oracle Database software - Start up and shut down a database - Describe the Oracle Database architecture |
| Topic 10: Creating Other Schema Objects | 10% | - Create, maintain, and use sequences - Create and maintain indexes - Create, modify, and retrieve data from a view - Create synonyms for database objects |
| Topic 11: Restricting and Sorting Data | 6% | - Use ampersand substitution to restrict and sort output at runtime - Use DEFINE and UNDEFINE commands - Limit the rows that are retrieved by a query - Sort the rows that are retrieved by a query |
| Topic 12: 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 |
| Topic 13: Using DDL Statements to Create and Manage Tables | 14% | - Categorize the main database objects - Alter table definitions - Create a simple table - Describe the data types that are available for columns - Drop, rename, and truncate tables - Review the table structure |
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質問 # 130
Examine the structure of the members table:
What is the outcome?
正解：D
質問 # 131
Examine this statement:
What is returned upon execution?
正解：B
質問 # 132
View the Exhibit and examine the structure of the SALESand PRODUCTStables. (Choose two.)
In the SALEStable, PROD_ID is the foreign key referencing PROD_ID in the PRODUCTS table. You must list each product ID and the number of times it has been sold.
Examine this query which is missing a JOINoperator:
Which two JOINoperations can be used to obtain the required output? (Choose two.) FULL OUTER JOIN
正解：A、D
質問 # 133
Which two statements are true about the COUNT function?
正解：A、E
質問 # 134
Which two are true about granting privilege on objects?
正解：A、C
解説：
C: True, the owner of an object automatically has all object privileges for that object by default. This is an inherent property of the object owner in Oracle.D. True, to allow the creation of foreign key constraints that reference a particular table, the owner of the table must grant the REFERENCES privilege on the key columns to other users or roles.
A; B, and E are not correct because: A. Object privileges can be granted to a role by any user with the appropriate permissions, not only by the owner. B. Object privileges can also be granted by users who have been given the privileges with the WITH GRANT OPTION, not just by the owner. E. The WITH GRANT OPTION is not limited to DBA users; it can be used by any user who has the privilege to grant a specific object privilege.
References:
* Oracle documentation on object privileges: Oracle Database SQL Language Reference
* Oracle documentation on the REFERENCES privilege: Oracle Database Security Guide
質問 # 135
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