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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Reporting Aggregated Data Using Group Functions | 15% | - Group data by using the GROUP BY clause - Include or exclude grouped rows by using the HAVING clause - Describe the use of group functions - Identify the available group functions |
| Topic 2: Using Conversion Functions and Conditional Expressions | 10% | - Use conditional IF THEN ELSE logic in a SELECT statement - 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 |
| Topic 3: Displaying Data from Multiple Tables Using Joins | 15% | - View data that does not meet a join condition by using outer joins - Cross join tables - 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 |
| Topic 4: Restricting and Sorting Data | 6% | - Use ampersand substitution to restrict and sort output at runtime - Use DEFINE and UNDEFINE commands - Sort the rows that are retrieved by a query - Limit the rows that are retrieved by a query |
| Topic 5: Using Subqueries to Solve Queries | 15% | - List the types of subqueries - Write single-row and multi-row subqueries - Describe the types of problems that subqueries can solve - Define subqueries |
| Topic 6: Creating Other Schema Objects | 10% | - Create, maintain, and use sequences - Create synonyms for database objects - Create, modify, and retrieve data from a view - Create and maintain indexes |
| Topic 7: Retrieving Data Using the SQL SELECT Statement | 5% | - Differentiate between SQL statements and SQL*Plus commands - List the capabilities of SQL SELECT statements - Execute a basic SELECT statement |
| Topic 8: 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 9: 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 10: 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 11: Using Single-Row Functions to Customize Output | 10% | - Manipulate strings with character function in the SELECT and WHERE clauses - Describe the differences between single-row and multiple-row functions - Manipulate numbers with the ROUND, TRUNC, and MOD functions - Perform arithmetic with date data - Manipulate dates with the date functions |
| Topic 12: 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 13: Manipulating Data | 14% | - Control transactions - Update rows in a table - Insert rows into a table - Delete rows from a table - Describe each data manipulation language (DML) statement |
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NEW QUESTION # 177
View the Exhibit and examine the structure of ORDERS and CUSTOMERS tables. (Choose the best answer.)
You executed this UPDATE statement:
UPDATE
( SELECT order_date, order_total, customer_id FROM orders)
Set order_date = '22-mar-2007'
WHERE customer_id IN
(SELECT customer_id FROM customers
WHERE cust_last_name = 'Roberts' AND credit_limit = 600);
Which statement is true regarding the execution?
Answer: D
NEW QUESTION # 178
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:
Which two JOIN operations can be used to obtain the required output? (Choose two.)
Answer: A,C
NEW QUESTION # 179
The CUSTOMERS table has a CUST_LAST_NAME column of data type VARCHAR2.
The table has two rows whose CUST_LAST_NAME values are Anderson and Ausson.
Which query produces output for CUST_LAST_NAME containing Oder for the first row and Aus for the second?
Answer: D
NEW QUESTION # 180
View the Exhibit and examine the structure of the ORDERStable.
Which UPDATE statement is valid?
UPDATE orders
Answer: D
NEW QUESTION # 181
Which three are true about the MERGEstatement? (Choose three.)
Answer: B,C,E
Explanation:
Explanation/Reference: https://www.oracletutorial.com/oracle-basics/oracle-merge/
NEW QUESTION # 182
......
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