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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Controlling User Access | 5% | - Distinguish between granting privileges and roles - Differentiate system privileges from object privileges - Grant privileges on tables and on a view |
| Topic 2: Manipulating Data | 14% | - Describe each data manipulation language (DML) statement - Insert rows into a table - Delete rows from a table - Update rows in a table - Control transactions |
| Topic 3: Restricting and Sorting Data | 6% | - Sort the rows that are retrieved by a query - Use DEFINE and UNDEFINE commands - Use ampersand substitution to restrict and sort output at runtime - Limit the rows that are retrieved by a query |
| Topic 4: Using Single-Row Functions to Customize Output | 10% | - Perform arithmetic with date data - Manipulate numbers with the ROUND, TRUNC, and MOD functions - 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 |
| Topic 5: 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 6: Reporting Aggregated Data Using Group Functions | 15% | - Describe the use of group functions - Include or exclude grouped rows by using the HAVING clause - Group data by using the GROUP BY clause - Identify the available group functions |
| Topic 7: Using Conversion Functions and Conditional Expressions | 10% | - Describe implicit and explicit data type conversion - Apply the NVL, NULLIF, and COALESCE functions to data - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Use conditional IF THEN ELSE logic in a SELECT statement |
| Topic 8: Using DDL Statements to Create and Manage Tables | 14% | - Alter table definitions - Review the table structure - Describe the data types that are available for columns - Drop, rename, and truncate tables - Create a simple table - Categorize the main database objects |
| Topic 9: 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 10: Using Subqueries to Solve Queries | 15% | - Define subqueries - Write single-row and multi-row subqueries - List the types of subqueries - Describe the types of problems that subqueries can solve |
| Topic 11: Displaying Data from Multiple Tables Using Joins | 15% | - 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 - Write SELECT statements to access data from more than one table using equijoins and non-equijoins |
| Topic 12: Using Set Operators | 5% | - Describe the order of precedence when the set operators are used - Use a set operator to combine multiple queries into a single query - Describe set operators |
| Topic 13: Creating Other Schema Objects | 10% | - Create, modify, and retrieve data from a view - Create and maintain indexes - Create, maintain, and use sequences - Create synonyms for database objects |
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NEW QUESTION # 344
View the exhibit and examine the description for the SALES and CHANNELS tables.
You issued this SQL statement:
Which statement is true regarding the result?
Answer: D
NEW QUESTION # 345
Examine the data in the CUSTOMERStable:
You want to list all cities that have more than one customer along with the customer details.
Evaluate the following query:
Which two JOIN options can be used in the blank in the above query to give the correct output? (Choose two.) LEFT OUTER JOIN
Answer: A,B
NEW QUESTION # 346
Examine the description of the EMPLOYEEStable:
Examine this query:
Which line produces an error?
Answer: A
NEW QUESTION # 347
Which statement is true regarding external tables?
Answer: A
Explanation:
Explanation
References:
https://docs.oracle.com/cd/B28359_01/server.111/b28310/tables013.htm
NEW QUESTION # 348
Which three statements are true about views in an Oracle database?
Answer: A,C,E
Explanation:
A view is a virtual table based on a SQL query.
A: This is incorrect because a SELECT statement querying a view can contain a WHERE clause, regardless of the view's defining query. C. This is incorrect because views can join tables from different schemas, not just the same schema. B. Correct. The rows inserted into a base table via a view remain in the table even if the view is dropped because the view is just a window to the data in the base tables. D. Correct. Views do not require storage space other than for the definition of the view in the data dictionary, hence they have no segment. E. Incorrect. Views do not have object numbers because they are not database objects that occupy physical space. F. Correct. You can create a view that references non-existent tables; such a view would be considered invalid until the base table is created.
The Oracle Database Concepts guide provides information about views and their characteristics.
NEW QUESTION # 349
......
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