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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: 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 |
| Topic 2: Using Single-Row Functions to Customize Output | 10% | - Perform arithmetic with date data - Describe the differences between single-row and multiple-row functions - 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 |
| Topic 3: Creating Other Schema Objects | 10% | - Create, modify, and retrieve data from a view - Create synonyms for database objects - Create, maintain, and use sequences - Create and maintain indexes |
| Topic 4: Manipulating Data | 14% | - Describe each data manipulation language (DML) statement - Update rows in a table - Control transactions - Insert rows into a table - Delete rows from a table |
| 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% | - 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 - View data that does not meet a join condition by using outer joins - Cross join tables |
| Topic 7: 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 8: 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 9: 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 |
| Topic 10: Working with Oracle Database SQL | 8% | - Start up and shut down a database - Create a container database - Explain the installation of Oracle Database software - Describe the Oracle Database architecture |
| Topic 11: 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 |
| Topic 12: Using Set Operators | 5% | - Use a set operator to combine multiple queries into a single query - Describe set operators - Describe the order of precedence when the set operators are used |
| Topic 13: Using DDL Statements to Create and Manage Tables | 14% | - Categorize the main database objects - Create a simple table - Review the table structure - Alter table definitions - Drop, rename, and truncate tables - Describe the data types that are available for columns |
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NEW QUESTION # 369
View the Exhibit and examine the structure of the CUSTOMERS table.
Using the CUSTOMERS table, you must generate a report that displays a credit limit increase of 15% for all customers.
Customers with no credit limit should have "Not Available" displayed.
Which SQL statement would produce the required result?
Answer: B
NEW QUESTION # 370
Evaluate the following query:
Which is the correct output of the above query?
Answer: A
NEW QUESTION # 371
You need to display the date 11-oct-2007 in words as 'Eleventh of October, Two Thousand Seven'.
Which SQL statement would give the required result?
Answer: B
NEW QUESTION # 372
Examine the structure of the EMPLOYEES table.
You must display the maximum and minimum salaries of employees hired 1 year ago.
Which two statements would provide the correct output? (Choose two.)
Answer: B,C
NEW QUESTION # 373
Examine the description of the EMPLOYEES table:
Which statement will execute successfully, returning distinct employees with non-null first names?
Answer: A
NEW QUESTION # 374
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