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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: 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 |
| Topic 2: Working with Oracle Database SQL | 8% | - Start up and shut down a database - Describe the Oracle Database architecture - Create a container database - Explain the installation of Oracle Database software |
| Topic 3: Using DDL Statements to Create and Manage Tables | 14% | - Review the table structure - Alter table definitions - Categorize the main database objects - Drop, rename, and truncate tables - Describe the data types that are available for columns - Create a simple table |
| Topic 4: Reporting Aggregated Data Using Group Functions | 15% | - Include or exclude grouped rows by using the HAVING clause - Describe the use of group functions - Group data by using the GROUP BY clause - Identify the available group functions |
| Topic 5: Controlling User Access | 5% | - Grant privileges on tables and on a view - Distinguish between granting privileges and roles - Differentiate system privileges from object privileges |
| Topic 6: 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 7: Using Single-Row Functions to Customize Output | 10% | - Manipulate dates with the date functions - Describe the differences between single-row and multiple-row functions - Manipulate strings with character function in the SELECT and WHERE clauses - Perform arithmetic with date data - Manipulate numbers with the ROUND, TRUNC, and MOD functions |
| Topic 8: Creating Other Schema Objects | 10% | - Create synonyms for database objects - Create and maintain indexes - Create, modify, and retrieve data from a view - Create, maintain, and use sequences |
| Topic 9: 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 10: Restricting and Sorting Data | 6% | - Use ampersand substitution to restrict and sort output at runtime - Sort the rows that are retrieved by a query - Limit the rows that are retrieved by a query - Use DEFINE and UNDEFINE commands |
| Topic 11: Using Subqueries to Solve Queries | 15% | - List the types of subqueries - Define subqueries - Write single-row and multi-row subqueries - Describe the types of problems that subqueries can solve |
| Topic 12: Manipulating Data | 14% | - Update rows in a table - Control transactions - Describe each data manipulation language (DML) statement - Insert rows into a table - Delete rows from a table |
| Topic 13: 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 - Describe implicit and explicit data type conversion - Apply the NVL, NULLIF, and COALESCE functions to data |
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NEW QUESTION # 267
View the exhibit and examine the structure of the SALES, CUSTOMERS, PRODUCTSand TIMES tables.
The PROD_IDcolumn is the foreign key in the SALEStable referencing the PRODUCTStable.
The CUST_IDand TIME_IDcolumns are also foreign keys in the SALEStable referencing the CUSTOMERSand TIMEStables, respectively.
Examine this command:
CREATE TABLE new_sales (prod_id, cust_id, order_date DEFAULT SYSDATE)
AS
SELECT prod_id, cust_id, time_id
FROM sales;
Which statement is true?
Answer: B
NEW QUESTION # 268
Which three actions can you perform only with system privileges? (Choose three.)
Answer: A,B,E
NEW QUESTION # 269
Examine the description of the EMPLOYEES table:
For each employee in department 90 you want to display:
1. their last name
2. the number of complete weeks they have been employed
The output must be sorted by the number of weeks, starting with the longest serving employee first.
Which statement will accomplish this?
Answer: A
NEW QUESTION # 270
View the Exhibit and examine the details of PRODUCT_INFORMATION table.
You have the requirement to display PRODUCT_NAME from the table where the CATEGORY_ID column has values 12 or 13, and the SUPPLIER_ID column has the value 102088. You executed the following SQL statement:
SELECT product_name
FROM product_information
WHERE (category_id = 12 AND category_id = 13) AND supplier_id = 102088; Which statement is true regarding the execution of the query?
Answer: C
NEW QUESTION # 271
Examine this data in the EMPLOYEES table:
Which statement will execute successfully?
SELECT dept_id, INSTR(last_name, 'A'), SUM(salary) FROM employees GROUP BY
Answer: A
NEW QUESTION # 272
......
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