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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Working with Oracle Database SQL | 8% | - Create a container database - Start up and shut down a database - Describe the Oracle Database architecture - Explain the installation of Oracle Database software |
| Topic 2: Reporting Aggregated Data Using Group Functions | 15% | - Identify the available group functions - Group data by using the GROUP BY clause - Include or exclude grouped rows by using the HAVING clause - Describe the use of group functions |
| Topic 3: Using Set Operators | 5% | - Describe set operators - Describe the order of precedence when the set operators are used - Use a set operator to combine multiple queries into a single query |
| Topic 4: 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 5: Displaying Data from Multiple Tables Using Joins | 15% | - 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 - Join a table to itself by using a self-join |
| Topic 6: Manipulating Data | 14% | - Describe each data manipulation language (DML) statement - Delete rows from a table - Control transactions - Insert rows into a table - Update rows in a table |
| 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: Using Subqueries to Solve Queries | 15% | - Write single-row and multi-row subqueries - Describe the types of problems that subqueries can solve - Define subqueries - List the types of subqueries |
| Topic 9: Restricting and Sorting Data | 6% | - Limit the rows that are retrieved by a query - Use ampersand substitution to restrict and sort output at runtime - Use DEFINE and UNDEFINE commands - Sort the rows that are retrieved by a query |
| Topic 10: Creating Other Schema Objects | 10% | - Create synonyms for database objects - Create, maintain, and use sequences - Create, modify, and retrieve data from a view - Create and maintain indexes |
| Topic 11: Using Single-Row Functions to Customize Output | 10% | - Describe the differences between single-row and multiple-row functions - Perform arithmetic with date data - 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 12: Using Conversion Functions and Conditional Expressions | 10% | - Describe implicit and explicit data type conversion - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Use conditional IF THEN ELSE logic in a SELECT statement - Apply the NVL, NULLIF, and COALESCE functions to data |
| Topic 13: Using DDL Statements to Create and Manage Tables | 14% | - Describe the data types that are available for columns - Categorize the main database objects - Review the table structure - Create a simple table - Alter table definitions - Drop, rename, and truncate tables |
This format is for candidates who do not have the time or energy to use a computer or laptop for preparation. The 1z0-071 PDF file includes real 1z0-071 questions, and they can be easily printed and studied at any time. PassReview regularly updates its PDF file to ensure that its readers have access to the updated questions.
NEW QUESTION # 33
Examine the ORDER _ITEms table:
Which two queries return rows where QUANTITY is a multiple of ten?
Answer: D,E
NEW QUESTION # 34
View the Exhibit and examine PRODUCTS and ORDER_ITEMS tables.
You executed the following query to display PRODUCT_NAME and the number of times the product has been ordered:
SQL>SELECT p.product_name, i.item_cnt
FROM (SELECT product_id, COUNT (*) item_cnt
FROM order_items
GROUP BY product_id) i RIGHT OUTER JOIN products p
ON i.product_id = p.product_id;
What would happen when the above statement is executed?
Answer: A
NEW QUESTION # 35
Examine the structure of the members table:
Which query can be used to display the last names and city names only for members from the states MO and MI?
A)
B)
C)
D)
Answer: C
NEW QUESTION # 36
Examine this statement:
Which two things must be changed for it to execute successfully?
Answer: C,E
Explanation:
The statement is trying to create a table with columns of different data types and constraints. Here's what needs to be corrected:
C: In Oracle, the LONG data type is used for character data of variable length up to 2 Gigabytes, but it is deprecated, and you should use CLOB or VARCHAR2 instead. Furthermore, a table cannot have more than one LONG column.
D: The NOT NULL constraint should be specified at the column level, not at the table level. The correct syntax for creating a table with a NOT NULL constraint is to define it inline with the column definition, like this:
ename VARCHAR2(15) CONSTRAINT ename_nn NOT NULL,
The other options are incorrect:
A: The foreign key constraint syntax is correct; the word CONSTRAINT is followed by the constraint name and then the REFERENCES clause.
B: The foreign key constraint can be defined at the column level.
E: While it's a good practice to name constraints, it is not mandatory for the primary key constraint to have a name; Oracle will generate one if it's not provided.
Reference:
Oracle Documentation on CREATE TABLE: SQL Language Reference - CREATE TABLE Oracle Documentation on Data Types: SQL Language Reference - Data Types
NEW QUESTION # 37
Examine the structure of the employees table:
There is a parent/child relationship between EMPLOYEE_ID and MANAGER_ID.
You want to display the name, joining date, and manager for all the employees. Newly hired employees are yet to be assigned a department or a manager. For them, 'No Manager1 should be displayed in the manager column.
Which SQL query gets the required output?
Answer: C
Explanation:
We should use LEFT OUTER JOIN as we want to display employees which have no (have NULL values for) managers.
NEW QUESTION # 38
......
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