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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Manipulating Data | 14% | - Insert rows into a table - Describe each data manipulation language (DML) statement - Delete rows from a table - Update rows in a table - Control transactions |
| Topic 2: Creating Other Schema Objects | 10% | - Create synonyms for database objects - Create and maintain indexes - Create, maintain, and use sequences - Create, modify, and retrieve data from a view |
| Topic 3: Reporting Aggregated Data Using Group Functions | 15% | - Group data by using the GROUP BY clause - Describe the use of group functions - Include or exclude grouped rows by using the HAVING clause - Identify the available group functions |
| Topic 4: 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 5: Using Single-Row Functions to Customize Output | 10% | - Perform arithmetic with date data - Describe the differences between single-row and multiple-row functions - Manipulate strings with character function in the SELECT and WHERE clauses - Manipulate dates with the date functions - Manipulate numbers with the ROUND, TRUNC, and MOD functions |
| Topic 6: 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 7: 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 8: Working with Oracle Database SQL | 8% | - Describe the Oracle Database architecture - Explain the installation of Oracle Database software - Start up and shut down a database - Create a container database |
| Topic 9: Using DDL Statements to Create and Manage Tables | 14% | - Alter table definitions - Categorize the main database objects - Create a simple table - Drop, rename, and truncate tables - Describe the data types that are available for columns - Review the table structure |
| Topic 10: Using Conversion Functions and Conditional Expressions | 10% | - Apply the NVL, NULLIF, and COALESCE functions to data - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Describe implicit and explicit data type conversion - Use conditional IF THEN ELSE logic in a SELECT statement |
| Topic 11: 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 12: Using Set Operators | 5% | - Use a set operator to combine multiple queries into a single query - Describe the order of precedence when the set operators are used - Describe set operators |
| Topic 13: Restricting and Sorting Data | 6% | - Use ampersand substitution to restrict and sort output at runtime - Limit the rows that are retrieved by a query - Use DEFINE and UNDEFINE commands - Sort the rows that are retrieved by a query |
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NEW QUESTION # 77
Which three are true about multitable INSERTstatements? (Choose three.)
Answer: C,E,F
NEW QUESTION # 78
Evaluate the following ALTER TABLEstatement:
ALTER TABLE orders
SET UNUSED (order_date);
Which statement is true?
Answer: A
NEW QUESTION # 79
View the Exhibit and examine the structure in the DEPARTMENTS tables. (Choose two.)
Examine this SQL statement:
SELECT department_id "DEPT_ID", department_name, 'b' FROM
departments
WHERE departments_id=90
UNION
SELECT department_id, department_name DEPT_NAME, 'a' FROM
departments
WHERE department_id=10
Which two ORDER BY clauses can be used to sort output?
Answer: A,B
NEW QUESTION # 80
Examine the description of the TRANSACTIONS table:
Which two SQL statements execute successfully? (Choose two.)
Answer: B,E
NEW QUESTION # 81
View the Exhibit and examine the structure of the SALES and PRODUCTS tables. (Choose two.)
In the SALES table, 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 JOIN operator:
SQL > SELECT p.prod_id, count(s.prod_id)
FROM products p ______________ sales s
ON p.prod_id = s.prod_id
GROUP BY p.prod_id;
Which two JOIN operations can be used to obtain the required output?
Answer: A,C
NEW QUESTION # 82
......
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